738  
FNUS51 KLWX 191833  
FWFLWX  
 
FIRE WEATHER PLANNING FORECAST FOR W AND CTL MD   
..E WV
 
N VA AND DC  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
232 PM EDT MON APR 19 2021  
   
DISCUSSION
 
 
AN UPPER-LEVEL DISTURBANCE AND LOW PRESSURE WILL EXIT OFF THE MID  
ATLANTIC COAST BY THIS EVENING.  
 
HIGH PRESSURE WILL DEVELOP OFFSHORE FOR TONIGHT THROUGH TUESDAY,  
BRINGING DRY AND MILD CONDITIONS. A STRONGER COLD FRONT WILL PASS  
THROUGH THE AREA WEDNESDAY, BRINGING SOME SHOWERS AND GUSTY  
WINDS. BLUSTERY AND CHILLY CONDITIONS ARE EXPECTED BEHIND THE  
BOUNDARY FOR WEDNESDAY NIGHT AND THURSDAY.  
 
HIGH PRESSURE WILL BUILD TO OUR SOUTH AND WEST, ALLOWING FOR MORE  
SEASONABLE TEMPERATURES FRIDAY BEFORE LOW PRESSURE POSSIBLY  
IMPACTS THE AREA DURING THE WEEKEND.  
 
DCZ001-200900-  
DISTRICT OF COLUMBIA-  
INCLUDING THE CITY OF WASHINGTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 60  
MX/MN TEMP(24H TREND) 47 (-2) 74 (+8) 54 68  
MX/MN RH% (24H TREND) 89 (+2) 30 (-12) 72 0  
AM WIND (MPH) SW 5 S 11 G24  
PM WIND (MPH) SW 6 SW 8 S 7 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.09  
PRECIP DURATION 0 5  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7690 7400  
TRANSPORT WND (MPH) SW 16 SW 28  
VENT RATE (KT-FT) 107660 177600  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 12 POOR 50 GEN GOOD 57 GEN GOOD 64 GOOD  
ADI LATE 3 VERY POOR 79 GOOD 8 POOR 119 VERY GOOD  
MAX LVORI EARLY 4 5 3 3  
MAX LVORI LATE 7 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.  
WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN  
THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ011-200900-  
SOUTHERN BALTIMORE-  
INCLUDING THE CITY OF BALTIMORE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 30 0 0 80  
MX/MN TEMP(24H TREND) 46 (-2) 72 (+8) 52 66  
MX/MN RH% (24H TREND) 87 (+1) 33 (-15) 76 0  
AM WIND (MPH) W 5 S 12 G24  
PM WIND (MPH) SW 6 SW 9 SE 9 G17 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.13  
PRECIP DURATION 1 6  
PRECIP BEGIN 6 PM 6 AM  
PRECIP END 8 PM 6 PM  
MIXING HGT(FT-AGL) 7760 6730  
TRANSPORT WND (MPH) S 16 S 26  
VENT RATE (KT-FT) 108640 154790  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 16 GEN POOR 42 GEN GOOD 54 GEN GOOD 49 GEN GOOD  
ADI LATE 2 VERY POOR 72 GOOD 9 POOR 115 VERY GOOD  
MAX LVORI EARLY 3 5 3 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS AROUND 40. HIGHS IN THE MID  
60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ507-200900-  
NORTHERN VIRGINIA BLUE RIDGE-  
INCLUDING THE CITY OF BIG MEADOWS  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 10 50  
MX/MN TEMP(24H TREND) 42 (0) 69 (+8) 46 60  
MX/MN RH% (24H TREND) 72 (-9) 32 (-3) 78 0  
AM WIND (MPH) SW 6 SW 13 G32  
PM WIND (MPH) LGT/VAR SW 9 G19 S 9 G18 W 19 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 1 2  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 8130 5760  
TRANSPORT WND (MPH) SW 18 W 31  
VENT RATE (KT-FT) 130080 155520  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 28 FAIR 65 GOOD 60 GEN GOOD 83 GOOD  
ADI LATE 2 VERY POOR 90 GOOD 7 POOR 108 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE  
UPPER 40S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS  
AROUND 60. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 40.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 15 TO 20 MPH.  
 

 
 
VAZ508-200900-  
CENTRAL VIRGINIA BLUE RIDGE-  
INCLUDING THE CITY OF WINTERGREEN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 10 40  
MX/MN TEMP(24H TREND) 42 (-1) 68 (+7) 47 61  
MX/MN RH% (24H TREND) 69 (-9) 32 (-3) 78 0  
AM WIND (MPH) W 7 G17 SW 13 G31  
PM WIND (MPH) W 5 SW 9 G19 S 9 G19 W 19 G36  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 7620 6270  
TRANSPORT WND (MPH) SW 18 W 35  
VENT RATE (KT-FT) 121920 188100  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 26 FAIR 75 GOOD 63 GOOD 82 GOOD  
ADI LATE 3 VERY POOR 90 GOOD 12 POOR 113 VERY GOOD  
MAX LVORI EARLY 3 3 2 3  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS  
AROUND 50. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 60.  
WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ029-200900-  
PAGE-  
INCLUDING THE CITIES OF LURAY, SHENANDOAH, AND STANLEY  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 50  
MX/MN TEMP(24H TREND) 41 (-2) 73 (+7) 48 64  
MX/MN RH% (24H TREND) 79 (-6) 30 (0) 79 0  
AM WIND (MPH) SW 5 SW 10 G26  
PM WIND (MPH) LGT/VAR SW 8 G18 S 7 G17 W 17 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.03  
PRECIP DURATION 1 2  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 8100 5330  
TRANSPORT WND (MPH) SW 18 W 29  
VENT RATE (KT-FT) 129600 133250  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 42 GEN GOOD 58 GEN GOOD 68 GOOD 82 GOOD  
ADI LATE 2 VERY POOR 89 GOOD 7 POOR 107 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 40.  
HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ030-200900-  
WARREN-  
INCLUDING THE CITY OF FRONT ROYAL  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 60  
MX/MN TEMP(24H TREND) 44 (0) 73 (+7) 49 64  
MX/MN RH% (24H TREND) 74 (-11) 30 (-4) 76 0  
AM WIND (MPH) SW 5 SW 10 G25  
PM WIND (MPH) LGT/VAR SW 6 S 6 W 17 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 1 3  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 8470 5340  
TRANSPORT WND (MPH) SW 15 NW 36  
VENT RATE (KT-FT) 110110 165540  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 3  
ADI EARLY 24 FAIR 56 GEN GOOD 60 GEN GOOD 62 GOOD  
ADI LATE 3 VERY POOR 80 GOOD 7 POOR 110 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
MID 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ036-200900-  
NELSON-  
INCLUDING THE CITY OF LOVINGSTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 40  
MX/MN TEMP(24H TREND) 41 (-5) 73 (+7) 49 66  
MX/MN RH% (24H TREND) 88 (+1) 32 (-5) 85 0  
AM WIND (MPH) LGT/VAR SW 9 G24  
PM WIND (MPH) LGT/VAR SW 9 G17 S 7 G17 W 16 G29  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7550 6710  
TRANSPORT WND (MPH) SW 20 W 31  
VENT RATE (KT-FT) 128350 181170  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 26 FAIR 69 GOOD 71 GOOD 69 GOOD  
ADI LATE 2 VERY POOR 94 GOOD 8 POOR 107 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ037-200900-  
ALBEMARLE-  
INCLUDING THE CITY OF CHARLOTTESVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 40  
MX/MN TEMP(24H TREND) 42 (-4) 73 (+6) 51 67  
MX/MN RH% (24H TREND) 88 (-1) 31 (-7) 81 0  
AM WIND (MPH) LGT/VAR SW 9 G24  
PM WIND (MPH) LGT/VAR SW 9 G17 S 7 G17 W 16 G31  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7550 6520  
TRANSPORT WND (MPH) SW 18 W 30  
VENT RATE (KT-FT) 120800 169520  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 25 FAIR 67 GOOD 66 GOOD 68 GOOD  
ADI LATE 2 VERY POOR 92 GOOD 6 VERY POOR 100 GOOD  
MAX LVORI EARLY 4 4 3 4  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ038-200900-  
GREENE-  
INCLUDING THE CITY OF STANARDSVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 40  
MX/MN TEMP(24H TREND) 43 (-2) 73 (+7) 51 65  
MX/MN RH% (24H TREND) 86 (+1) 33 (-3) 80 0  
AM WIND (MPH) LGT/VAR SW 9 G25  
PM WIND (MPH) LGT/VAR SW 9 G17 S 6 W 16 G31  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7650 5980  
TRANSPORT WND (MPH) SW 18 NW 31  
VENT RATE (KT-FT) 122400 161460  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 18 GEN POOR 66 GOOD 67 GOOD 73 GOOD  
ADI LATE 2 VERY POOR 90 GOOD 4 VERY POOR 103 VERY GOOD  
MAX LVORI EARLY 4 4 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ039-200900-  
MADISON-  
INCLUDING THE CITY OF MADISON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 50  
MX/MN TEMP(24H TREND) 41 (-4) 73 (+8) 50 65  
MX/MN RH% (24H TREND) 94 (+5) 34 (-6) 81 0  
AM WIND (MPH) LGT/VAR SW 10 G23  
PM WIND (MPH) LGT/VAR SW 9 G17 S 6 G17 W 16 G31  
PRECIP AMOUNT 0.00 0.00 0.00 0.03  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7480 6020  
TRANSPORT WND (MPH) SW 20 NW 32  
VENT RATE (KT-FT) 127160 168560  
LAL 1 1 1 1  
HAINES INDEX 4 4 4 4  
ADI EARLY 20 GEN POOR 66 GOOD 66 GOOD 73 GOOD  
ADI LATE 2 VERY POOR 93 GOOD 5 VERY POOR 104 VERY GOOD  
MAX LVORI EARLY 4 5 3 4  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ040-200900-  
RAPPAHANNOCK-  
INCLUDING THE CITY OF WASHINGTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 60  
MX/MN TEMP(24H TREND) 43 (-1) 73 (+7) 50 64  
MX/MN RH% (24H TREND) 86 (-2) 34 (-5) 79 0  
AM WIND (MPH) LGT/VAR SW 9 G24  
PM WIND (MPH) LGT/VAR S 7 G17 S 6 W 16 G33  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 3  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 8130 5250  
TRANSPORT WND (MPH) SW 18 NW 35  
VENT RATE (KT-FT) 130080 157500  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 25 FAIR 62 GOOD 67 GOOD 64 GOOD  
ADI LATE 2 VERY POOR 91 GOOD 5 VERY POOR 108 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ025-200900-  
AUGUSTA-  
INCLUDING THE CITIES OF STAUNTON, WAYNESBORO, AND STUARTS DRAFT  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 40  
MX/MN TEMP(24H TREND) 40 (-2) 70 (+8) 46 61  
MX/MN RH% (24H TREND) 78 (-1) 33 (-1) 80 0  
AM WIND (MPH) SW 6 SW 11 G31  
PM WIND (MPH) W 5 G17 SW 10 G19 SW 8 G18 W 18 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.01  
PRECIP DURATION 1 2  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 7540 6110  
TRANSPORT WND (MPH) SW 18 W 33  
VENT RATE (KT-FT) 120640 177190  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 43 GEN GOOD 76 GOOD 68 GOOD 93 GOOD  
ADI LATE 3 VERY POOR 82 GOOD 9 POOR 107 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
AROUND 50. WEST WINDS 20 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 15 TO 20 MPH.  
 

 
 
VAZ026-200900-  
ROCKINGHAM-  
INCLUDING THE CITY OF HARRISONBURG  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 40  
MX/MN TEMP(24H TREND) 40 (-2) 71 (+8) 45 62  
MX/MN RH% (24H TREND) 79 (-3) 32 (0) 81 0  
AM WIND (MPH) SW 5 SW 10 G31  
PM WIND (MPH) W 5 G17 SW 9 G19 S 7 G18 W 17 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8210 6150  
TRANSPORT WND (MPH) SW 18 W 30  
VENT RATE (KT-FT) 131360 159900  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 45 GEN GOOD 61 GOOD 68 GOOD 91 GOOD  
ADI LATE 2 VERY POOR 82 GOOD 7 POOR 105 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS AROUND 50. WEST  
WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ027-200900-  
SHENANDOAH-  
INCLUDING THE CITIES OF STRASBURG, WOODSTOCK, MOUNT JACKSON,  
AND NEW MARKET  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 50  
MX/MN TEMP(24H TREND) 41 (-2) 72 (+7) 47 62  
MX/MN RH% (24H TREND) 80 (-3) 31 (0) 80 0  
AM WIND (MPH) SW 5 SW 10 G28  
PM WIND (MPH) LGT/VAR SW 7 G17 S 6 W 17 G33  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8410 5460  
TRANSPORT WND (MPH) SW 16 SW 30  
VENT RATE (KT-FT) 117740 141960  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 43 GEN GOOD 54 GEN GOOD 64 GOOD 86 GOOD  
ADI LATE 2 VERY POOR 82 GOOD 7 POOR 108 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 40.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ504-200900-  
EASTERN HIGHLAND-  
INCLUDING THE CITY OF MONTEREY  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 50  
MX/MN TEMP(24H TREND) 40 (0) 67 (+8) 41 54  
MX/MN RH% (24H TREND) 72 (0) 30 (-3) 80 0  
AM WIND (MPH) W 6 SW 12 G28  
PM WIND (MPH) W 6 G18 SW 10 G18 S 7 G17 W 16 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 7540 4870  
TRANSPORT WND (MPH) SW 17 NW 36  
VENT RATE (KT-FT) 113100 150970  
LAL 1 1 1 1  
HAINES INDEX 4 5 3 3  
ADI EARLY 58 GEN GOOD 67 GOOD 94 GOOD 87 GOOD  
ADI LATE 4 VERY POOR 89 GOOD 20 GEN POOR 108 VERY GOOD  
MAX LVORI EARLY 3 3 2 3  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
MID 40S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS IN  
THE UPPER 50S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ503-200900-  
WESTERN HIGHLAND-  
INCLUDING THE CITY OF HIGHTOWN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 60  
MX/MN TEMP(24H TREND) 38 (+1) 63 (+9) 36 49  
MX/MN RH% (24H TREND) 77 (+2) 32 (-2) 88 0  
AM WIND (MPH) W 8 G17 W 13 G32  
PM WIND (MPH) W 7 G19 SW 10 G18 S 9 G17 W 17 G36  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 2 6  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 7790 4730  
TRANSPORT WND (MPH) SW 17 NW 39  
VENT RATE (KT-FT) 116850 160820  
LAL 1 1 1 1  
HAINES INDEX 3 4 3 3  
ADI EARLY 57 GEN GOOD 62 GOOD 97 GOOD 76 GOOD  
ADI LATE 6 VERY POOR 90 GOOD 35 FAIR 114 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN  
THE LOWER 40S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 20S. HIGHS IN  
THE LOWER 50S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY. LOWS IN THE MID  
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS IN  
THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS 15 TO 20 MPH.  
 

 
 
WVZ506-200900-  
EASTERN PENDLETON-  
INCLUDING THE CITIES OF BRANDYWINE, FRANKLIN, OAK FLAT, RUDDLE,  
AND SUGAR GROVE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 50  
MX/MN TEMP(24H TREND) 41 (+1) 69 (+8) 41 56  
MX/MN RH% (24H TREND) 72 (-4) 29 (-2) 80 0  
AM WIND (MPH) SW 7 SW 11 G29  
PM WIND (MPH) W 7 G18 SW 8 G17 SW 8 W 17 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 8660 4990  
TRANSPORT WND (MPH) SW 15 SW 32  
VENT RATE (KT-FT) 112580 139720  
LAL 1 1 1 1  
HAINES INDEX 4 5 3 4  
ADI EARLY 60 GEN GOOD 55 GEN GOOD 74 GOOD 97 GOOD  
ADI LATE 4 VERY POOR 83 GOOD 11 POOR 113 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS  
IN THE MID 40S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
BREEZY. MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 20 TO 25 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER 60S.  
NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ505-200900-  
WESTERN PENDLETON-  
INCLUDING THE CITY OF RIVERTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS FRZ RAIN  
CHANCE PRECIP (%) 0 0 20 70  
MX/MN TEMP(24H TREND) 39 (+2) 65 (+10) 34 51  
MX/MN RH% (24H TREND) 76 (-3) 33 (0) 87 0  
AM WIND (MPH) W 10 G20 W 13 G35  
PM WIND (MPH) W 8 G19 SW 8 G18 S 8 G19 W 17 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.05  
PRECIP DURATION 1 6  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 8160 5230  
TRANSPORT WND (MPH) SW 13 SW 35  
VENT RATE (KT-FT) 89760 156900  
LAL 1 1 1 1  
HAINES INDEX 3 4 4 3  
ADI EARLY 52 GEN GOOD 56 GEN GOOD 61 GOOD 105 VERY GOOD  
ADI LATE 8 POOR 68 GOOD 13 GEN POOR 115 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
WINDY. MOSTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN  
THE LOWER 40S. WEST WINDS 20 TO 30 MPH.    
FRIDAY
 
WINDY. MOSTLY CLEAR. WARMER. LOWS AROUND 30. HIGHS IN  
THE LOWER 50S. WEST WINDS 20 TO 30 MPH.    
SATURDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY. LOWS IN THE MID  
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 15 TO 20 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS IN  
THE MID 50S. NORTHWEST WINDS 15 TO 20 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS 15 TO 20 MPH.  
 

 
 
WVZ050-200900-  
HAMPSHIRE-  
INCLUDING THE CITY OF ROMNEY  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 50  
MX/MN TEMP(24H TREND) 44 (+3) 70 (+5) 44 59  
MX/MN RH% (24H TREND) 73 (-13) 32 (+2) 80 0  
AM WIND (MPH) SW 5 SW 10 G28  
PM WIND (MPH) W 5 SW 6 LGT/VAR W 17 G36  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8560 5690  
TRANSPORT WND (MPH) SW 9 NW 36  
VENT RATE (KT-FT) 68480 176390  
LAL 1 1 1 1  
HAINES INDEX 5 4 4 4  
ADI EARLY 46 GEN GOOD 57 GEN GOOD 32 FAIR 65 GOOD  
ADI LATE 2 VERY POOR 58 GEN GOOD 5 VERY POOR 115 VERY GOOD  
MAX LVORI EARLY 2 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND  
50. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 40.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ055-200900-  
HARDY-  
INCLUDING THE CITY OF MOOREFIELD  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 50  
MX/MN TEMP(24H TREND) 42 (+1) 70 (+7) 44 58  
MX/MN RH% (24H TREND) 73 (-8) 34 (+2) 79 0  
AM WIND (MPH) SW 6 SW 11 G29  
PM WIND (MPH) W 6 G17 SW 6 S 6 W 17 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8800 5620  
TRANSPORT WND (MPH) SW 12 SW 31  
VENT RATE (KT-FT) 88000 151740  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 4  
ADI EARLY 57 GEN GOOD 52 GEN GOOD 45 GEN GOOD 91 GOOD  
ADI LATE 3 VERY POOR 55 GEN GOOD 8 POOR 113 VERY GOOD  
MAX LVORI EARLY 2 3 3 3  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE UPPER  
40S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ502-200900-  
CENTRAL AND EASTERN ALLEGANY-  
INCLUDING THE CITY OF CUMBERLAND  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 50  
MX/MN TEMP(24H TREND) 44 (+3) 70 (+5) 43 58  
MX/MN RH% (24H TREND) 71 (-13) 31 (+2) 84 0  
AM WIND (MPH) SW 6 SW 9 G26  
PM WIND (MPH) LGT/VAR SW 8 LGT/VAR W 16 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 2 2  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 7920 5600  
TRANSPORT WND (MPH) SW 12 NW 37  
VENT RATE (KT-FT) 79200 179200  
LAL 1 1 1 1  
HAINES INDEX 5 4 4 3  
ADI EARLY 45 GEN GOOD 69 GOOD 22 FAIR 29 FAIR  
ADI LATE 2 VERY POOR 72 GOOD 6 VERY POOR 116 VERY GOOD  
MAX LVORI EARLY 2 3 3 5  
MAX LVORI LATE 3 1 4 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND  
50. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ501-200900-  
EXTREME WESTERN ALLEGANY-  
INCLUDING THE CITY OF FROSTBURG  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 70  
MX/MN TEMP(24H TREND) 45 (+4) 68 (+6) 40 55  
MX/MN RH% (24H TREND) 73 (-11) 35 (+3) 88 0  
AM WIND (MPH) W 9 G19 SW 10 G31  
PM WIND (MPH) W 6 SW 9 G19 LGT/VAR W 17 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.03  
PRECIP DURATION 1 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 8070 5480  
TRANSPORT WND (MPH) SW 13 SW 31  
VENT RATE (KT-FT) 88770 147960  
LAL 1 1 1 1  
HAINES INDEX 4 4 3 3  
ADI EARLY 56 GEN GOOD 79 GOOD 37 FAIR 98 GOOD  
ADI LATE 5 VERY POOR 80 GOOD 5 VERY POOR 117 VERY GOOD  
MAX LVORI EARLY 3 3 3 6  
MAX LVORI LATE 3 1 4 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE MID 40S.  
WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ001-200900-  
GARRETT-  
INCLUDING THE CITIES OF MOUNTAIN LAKE PARK, OAKLAND,  
AND GRANTSVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 80  
MX/MN TEMP(24H TREND) 41 (+3) 63 (+5) 35 49  
MX/MN RH% (24H TREND) 76 (-10) 39 (+3) 89 0  
AM WIND (MPH) W 9 G19 W 11 G31  
PM WIND (MPH) W 7 G18 SW 9 G19 LGT/VAR W 17 G35  
PRECIP AMOUNT 0.00 0.00 0.01 0.11  
PRECIP DURATION 1 9  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 8120 4780  
TRANSPORT WND (MPH) SW 15 SW 32  
VENT RATE (KT-FT) 105560 133840  
LAL 1 1 1 1  
HAINES INDEX 3 4 4 3  
ADI EARLY 71 GOOD 71 GOOD 52 GEN GOOD 84 GOOD  
ADI LATE 7 POOR 76 GOOD 8 POOR 110 VERY GOOD  
MAX LVORI EARLY 3 3 3 5  
MAX LVORI LATE 3 1 4 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 40S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS IN  
THE MID 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ003-200900-  
WASHINGTON-  
INCLUDING THE CITY OF HAGERSTOWN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 70  
MX/MN TEMP(24H TREND) 42 (-1) 71 (+5) 48 61  
MX/MN RH% (24H TREND) 80 (-2) 35 (0) 82 0  
AM WIND (MPH) SW 6 G17 SW 10 G26  
PM WIND (MPH) LGT/VAR SW 7 G17 SE 5 W 19 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 2 3  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8030 5160  
TRANSPORT WND (MPH) SW 13 NW 39  
VENT RATE (KT-FT) 88330 175440  
LAL 1 1 1 1  
HAINES INDEX 5 4 4 3  
ADI EARLY 38 FAIR 61 GOOD 34 FAIR 16 GEN POOR  
ADI LATE 2 VERY POOR 68 GOOD 6 VERY POOR 117 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
IN THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ508-200900-  
SOUTHEAST HARFORD-  
INCLUDING THE CITY OF ABERDEEN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 30 0 0 90  
MX/MN TEMP(24H TREND) 44 (-2) 72 (+8) 51 67  
MX/MN RH% (24H TREND) 95 (+4) 38 (-13) 82 0  
AM WIND (MPH) SW 5 S 12 G25  
PM WIND (MPH) SW 6 SW 9 G18 S 8 W 18 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.14  
PRECIP DURATION 1 6  
PRECIP BEGIN 6 PM 6 AM  
PRECIP END 8 PM CONTINUING  
MIXING HGT(FT-AGL) 7120 4970  
TRANSPORT WND (MPH) SW 16 SW 32  
VENT RATE (KT-FT) 99680 139160  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 18 GEN POOR 6 VERY POOR 48 GEN GOOD 35 FAIR  
ADI LATE 2 VERY POOR 76 GOOD 9 POOR 104 VERY GOOD  
MAX LVORI EARLY 5 6 3 4  
MAX LVORI LATE 7 2 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ507-200900-  
NORTHWEST HARFORD-  
INCLUDING THE CITY OF JARRETTSVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 30 0 20 80  
MX/MN TEMP(24H TREND) 45 (0) 70 (+6) 50 64  
MX/MN RH% (24H TREND) 90 (-1) 38 (-12) 82 0  
AM WIND (MPH) W 6 G17 S 12 G26  
PM WIND (MPH) SW 6 SW 10 G18 S 8 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.14  
PRECIP DURATION 1 1 6  
PRECIP BEGIN 6 PM 8 PM CONTINUING  
PRECIP END 8 PM CONTINUING 5 PM  
MIXING HGT(FT-AGL) 7200 6140  
TRANSPORT WND (MPH) SW 16 SW 28  
VENT RATE (KT-FT) 100800 147360  
LAL 1 1 1 5  
HAINES INDEX 4 4 3 3  
ADI EARLY 21 FAIR 60 GEN GOOD 53 GEN GOOD 42 GEN GOOD  
ADI LATE 3 VERY POOR 77 GOOD 9 POOR 106 VERY GOOD  
MAX LVORI EARLY 4 5 3 4  
MAX LVORI LATE 6 1 4 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ008-200900-  
CECIL-  
INCLUDING THE CITY OF ELKTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 30 0 20 90  
MX/MN TEMP(24H TREND) 45 (-1) 71 (+7) 51 67  
MX/MN RH% (24H TREND) 93 (+4) 36 (-13) 81 0  
AM WIND (MPH) SW 5 S 12 G27  
PM WIND (MPH) SW 6 SW 10 G19 S 8 SW 18 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.16  
PRECIP DURATION 1 0 5  
PRECIP BEGIN 6 PM 2 AM CONTINUING  
PRECIP END 8 PM CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 7070 5990  
TRANSPORT WND (MPH) SW 17 S 29  
VENT RATE (KT-FT) 106050 149750  
LAL 1 1 1 5  
HAINES INDEX 4 4 3 3  
ADI EARLY 18 GEN POOR 5 VERY POOR 51 GEN GOOD 28 FAIR  
ADI LATE 2 VERY POOR 81 GOOD 9 POOR 104 VERY GOOD  
MAX LVORI EARLY 4 6 3 4  
MAX LVORI LATE 7 2 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
CLEAR, WARMER. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ013-200900-  
PRINCE GEORGES-  
INCLUDING THE CITIES OF BOWIE, SUITLAND-SILVER HILL, CLINTON,  
COLLEGE PARK, GREENBELT, LAUREL, AND CAMP SPRINGS  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 80  
MX/MN TEMP(24H TREND) 46 (-2) 73 (+9) 53 68  
MX/MN RH% (24H TREND) 93 (+5) 31 (-17) 76 0  
AM WIND (MPH) SW 5 S 11 G24  
PM WIND (MPH) S 5 SW 8 S 8 W 17 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.09  
PRECIP DURATION 0 4  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7680 7300  
TRANSPORT WND (MPH) SW 16 SW 26  
VENT RATE (KT-FT) 107520 167900  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 10 POOR 50 GEN GOOD 56 GEN GOOD 68 GOOD  
ADI LATE 2 VERY POOR 78 GOOD 9 POOR 110 VERY GOOD  
MAX LVORI EARLY 5 6 3 3  
MAX LVORI LATE 7 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.  
WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ052-200900-  
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-  
INCLUDING THE CITIES OF DALE CITY, MANASSAS, WOODBRIDGE,  
LAKE RIDGE, AND MONTCLAIR  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 50  
MX/MN TEMP(24H TREND) 43 (-3) 74 (+8) 52 68  
MX/MN RH% (24H TREND) 93 (+4) 31 (-11) 75 0  
AM WIND (MPH) LGT/VAR S 11 G24  
PM WIND (MPH) SW 5 SW 8 G17 S 7 W 17 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.07  
PRECIP DURATION 0 2  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7520 7400  
TRANSPORT WND (MPH) SW 17 SW 26  
VENT RATE (KT-FT) 112800 170200  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 17 GEN POOR 54 GEN GOOD 61 GOOD 64 GOOD  
ADI LATE 2 VERY POOR 84 GOOD 7 POOR 105 VERY GOOD  
MAX LVORI EARLY 4 5 3 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ051-200900-  
MORGAN-  
INCLUDING THE CITY OF PAW PAW  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 50  
MX/MN TEMP(24H TREND) 45 (+2) 70 (+5) 47 59  
MX/MN RH% (24H TREND) 68 (-11) 33 (+1) 78 0  
AM WIND (MPH) SW 6 G17 SW 10 G27  
PM WIND (MPH) LGT/VAR SW 6 G17 LGT/VAR W 17 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.03  
PRECIP DURATION 2 2  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8130 5530  
TRANSPORT WND (MPH) SW 9 NW 37  
VENT RATE (KT-FT) 65040 176960  
LAL 1 1 1 1  
HAINES INDEX 5 4 4 3  
ADI EARLY 42 GEN GOOD 59 GEN GOOD 33 FAIR 16 GEN POOR  
ADI LATE 3 VERY POOR 65 GOOD 5 VERY POOR 117 VERY GOOD  
MAX LVORI EARLY 2 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND  
50. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ052-200900-  
BERKELEY-  
INCLUDING THE CITY OF MARTINSBURG  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 60  
MX/MN TEMP(24H TREND) 43 (0) 71 (+5) 48 61  
MX/MN RH% (24H TREND) 77 (-3) 35 (+2) 78 0  
AM WIND (MPH) SW 5 SW 10 G27  
PM WIND (MPH) LGT/VAR SW 6 LGT/VAR W 19 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.03  
PRECIP DURATION 2 3  
PRECIP BEGIN 7 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8050 5330  
TRANSPORT WND (MPH) S 12 NW 37  
VENT RATE (KT-FT) 80500 170560  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 3  
ADI EARLY 36 FAIR 59 GEN GOOD 33 FAIR 18 GEN POOR  
ADI LATE 3 VERY POOR 62 GOOD 5 VERY POOR 116 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 3 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ053-200900-  
JEFFERSON-  
INCLUDING THE CITIES OF CHARLES TOWN AND SHEPHERDSTOWN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 70  
MX/MN TEMP(24H TREND) 43 (0) 71 (+4) 49 62  
MX/MN RH% (24H TREND) 79 (-4) 35 (0) 77 0  
AM WIND (MPH) SW 6 SW 10 G24  
PM WIND (MPH) LGT/VAR SW 7 S 6 W 20 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 1 3  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 8240 5120  
TRANSPORT WND (MPH) S 14 NW 38  
VENT RATE (KT-FT) 98880 168960  
LAL 1 1 1 4  
HAINES INDEX 5 4 4 4  
ADI EARLY 30 FAIR 57 GEN GOOD 40 FAIR 18 GEN POOR  
ADI LATE 3 VERY POOR 72 GOOD 6 VERY POOR 117 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 4 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
IN THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ504-200900-  
EASTERN MINERAL-  
INCLUDING THE CITIES OF ANTIOCH, KEYSER, NEW CREEK, RIDGEVILLE,  
RUSSELLDALE, HEADSVILLE, AND FORT ASHBY  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 50  
MX/MN TEMP(24H TREND) 44 (+3) 71 (+5) 43 58  
MX/MN RH% (24H TREND) 75 (-11) 31 (+2) 86 0  
AM WIND (MPH) SW 5 G17 SW 9 G27  
PM WIND (MPH) LGT/VAR SW 7 G17 LGT/VAR W 16 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 2  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 8050 5620  
TRANSPORT WND (MPH) SW 10 NW 36  
VENT RATE (KT-FT) 72450 174220  
LAL 1 1 1 1  
HAINES INDEX 4 4 4 4  
ADI EARLY 51 GEN GOOD 70 GOOD 29 FAIR 58 GEN GOOD  
ADI LATE 3 VERY POOR 70 GOOD 4 VERY POOR 115 VERY GOOD  
MAX LVORI EARLY 3 3 3 5  
MAX LVORI LATE 3 1 4 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
AROUND 50. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 40.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ503-200900-  
WESTERN MINERAL-  
INCLUDING THE CITY OF ELK GARDEN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 80  
MX/MN TEMP(24H TREND) 43 (+3) 67 (+6) 38 53  
MX/MN RH% (24H TREND) 74 (-10) 36 (+3) 87 0  
AM WIND (MPH) W 9 G19 SW 11 G32  
PM WIND (MPH) W 7 G17 W 9 G18 LGT/VAR W 18 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 1 6  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 8250 5400  
TRANSPORT WND (MPH) SW 12 SW 36  
VENT RATE (KT-FT) 82500 167400  
LAL 1 1 1 1  
HAINES INDEX 4 4 3 4  
ADI EARLY 67 GOOD 67 GOOD 37 FAIR 111 VERY GOOD  
ADI LATE 6 VERY POOR 72 GOOD 6 VERY POOR 118 VERY GOOD  
MAX LVORI EARLY 3 3 3 5  
MAX LVORI LATE 3 1 4 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
MID 40S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS IN  
THE MID 50S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.  
NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ502-200900-  
EASTERN GRANT-  
INCLUDING THE CITY OF PETERSBURG  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 60  
MX/MN TEMP(24H TREND) 42 (+1) 70 (+6) 42 57  
MX/MN RH% (24H TREND) 76 (-6) 33 (0) 82 0  
AM WIND (MPH) SW 6 SW 10 G28  
PM WIND (MPH) W 6 G17 SW 7 S 5 W 16 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 1 4  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 8390 5290  
TRANSPORT WND (MPH) SW 10 NW 37  
VENT RATE (KT-FT) 75510 169280  
LAL 1 1 1 1  
HAINES INDEX 4 5 4 4  
ADI EARLY 60 GEN GOOD 56 GEN GOOD 41 GEN GOOD 92 GOOD  
ADI LATE 4 VERY POOR 58 GEN GOOD 7 POOR 115 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE UPPER  
40S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS AROUND  
60. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
WVZ501-200900-  
WESTERN GRANT-  
INCLUDING THE CITIES OF BAYARD AND MOUNT STORM  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS FRZ RAIN  
CHANCE PRECIP (%) 0 0 20 80  
MX/MN TEMP(24H TREND) 41 (+2) 66 (+8) 36 52  
MX/MN RH% (24H TREND) 74 (-7) 37 (+1) 85 0  
AM WIND (MPH) W 10 G20 SW 13 G36  
PM WIND (MPH) W 8 G19 SW 9 G20 S 6 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.06  
PRECIP DURATION 1 7  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 8140 5180  
TRANSPORT WND (MPH) SW 10 SW 36  
VENT RATE (KT-FT) 73260 160580  
LAL 1 1 1 1  
HAINES INDEX 3 4 4 4  
ADI EARLY 62 GOOD 60 GEN GOOD 36 FAIR 107 VERY GOOD  
ADI LATE 8 POOR 59 GEN GOOD 8 POOR 119 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
WINDY. MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN  
THE LOWER 40S. WEST WINDS 20 TO 30 MPH.    
FRIDAY
 
BREEZY. MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S.  
HIGHS IN THE MID 50S. WEST WINDS 15 TO 25 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS 15 TO 20 MPH.  
 

 
 
MDZ004-200900-  
FREDERICK MD-  
INCLUDING THE CITIES OF FREDERICK AND BALLENGER CREEK  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 0 0 20 70  
MX/MN TEMP(24H TREND) 43 (-1) 71 (+5) 48 64  
MX/MN RH% (24H TREND) 89 (+3) 38 (0) 81 0  
AM WIND (MPH) SW 5 G17 S 12 G25  
PM WIND (MPH) LGT/VAR SW 8 G17 S 6 W 20 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.07  
PRECIP DURATION 1 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 7780 4370  
TRANSPORT WND (MPH) SW 15 NW 41  
VENT RATE (KT-FT) 101140 157320  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 30 FAIR 65 GOOD 55 GEN GOOD 21 FAIR  
ADI LATE 3 VERY POOR 76 GOOD 8 POOR 117 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
IN THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ005-200900-  
CARROLL-  
INCLUDING THE CITIES OF ELDERSBURG AND WESTMINSTER  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 20 0 20 70  
MX/MN TEMP(24H TREND) 43 (-1) 70 (+5) 49 63  
MX/MN RH% (24H TREND) 87 (0) 38 (-1) 80 0  
AM WIND (MPH) SW 7 G18 S 13 G26  
PM WIND (MPH) LGT/VAR SW 9 G18 S 7 W 20 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.09  
PRECIP DURATION 0 1 4  
PRECIP BEGIN 6 PM 8 PM CONTINUING  
PRECIP END 8 PM CONTINUING 5 PM  
MIXING HGT(FT-AGL) 7670 5200  
TRANSPORT WND (MPH) SW 16 SW 22  
VENT RATE (KT-FT) 107380 98800  
LAL 1 1 1 5  
HAINES INDEX 5 4 4 4  
ADI EARLY 28 FAIR 67 GOOD 56 GEN GOOD 44 GEN GOOD  
ADI LATE 3 VERY POOR 79 GOOD 9 POOR 108 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
IN THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ006-200900-  
NORTHERN BALTIMORE-  
INCLUDING THE CITIES OF REISTERSTOWN AND COCKEYSVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 30 0 20 70  
MX/MN TEMP(24H TREND) 45 (0) 70 (+5) 50 64  
MX/MN RH% (24H TREND) 86 (-2) 36 (-9) 80 0  
AM WIND (MPH) SW 6 G17 S 12 G25  
PM WIND (MPH) SW 5 SW 9 G18 SE 8 W 18 G39  
PRECIP AMOUNT 0.01 0.00 0.00 0.12  
PRECIP DURATION 1 1 5  
PRECIP BEGIN 6 PM 8 PM CONTINUING  
PRECIP END 8 PM CONTINUING 5 PM  
MIXING HGT(FT-AGL) 7280 7130  
TRANSPORT WND (MPH) SW 16 SW 25  
VENT RATE (KT-FT) 101920 156860  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 22 FAIR 66 GOOD 55 GEN GOOD 52 GEN GOOD  
ADI LATE 3 VERY POOR 76 GOOD 9 POOR 112 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ503-200900-  
NORTHWEST MONTGOMERY-  
INCLUDING THE CITIES OF GERMANTOWN AND DAMASCUS  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 20 0 20 70  
MX/MN TEMP(24H TREND) 44 (-1) 71 (+5) 51 64  
MX/MN RH% (24H TREND) 89 (+2) 35 (-5) 77 0  
AM WIND (MPH) SW 5 S 12 G25  
PM WIND (MPH) SW 5 SW 9 S 8 W 20 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.07  
PRECIP DURATION 0 1 3  
PRECIP BEGIN 6 PM 8 PM 8 AM  
PRECIP END 8 PM 2 AM 5 PM  
MIXING HGT(FT-AGL) 7680 4300  
TRANSPORT WND (MPH) SW 16 W 43  
VENT RATE (KT-FT) 107520 159100  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 23 FAIR 59 GEN GOOD 57 GEN GOOD 37 FAIR  
ADI LATE 3 VERY POOR 79 GOOD 8 POOR 119 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 6 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ504-200900-  
CENTRAL AND SOUTHEAST MONTGOMERY-  
INCLUDING THE CITIES OF BETHESDA, ROCKVILLE, GAITHERSBURG,  
AND SILVER SPRING  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 60  
MX/MN TEMP(24H TREND) 45 (-2) 73 (+7) 52 66  
MX/MN RH% (24H TREND) 88 (+2) 32 (-8) 74 0  
AM WIND (MPH) LGT/VAR S 12 G25  
PM WIND (MPH) SW 6 SW 8 S 7 W 19 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.09  
PRECIP DURATION 0 5  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7790 7180  
TRANSPORT WND (MPH) SW 16 SW 26  
VENT RATE (KT-FT) 109060 165140  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 21 FAIR 55 GEN GOOD 58 GEN GOOD 63 GOOD  
ADI LATE 3 VERY POOR 80 GOOD 8 POOR 122 VERY GOOD  
MAX LVORI EARLY 3 5 3 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN  
THE MID 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ505-200900-  
NORTHWEST HOWARD-  
INCLUDING THE CITY OF LISBON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 20 0 10 70  
MX/MN TEMP(24H TREND) 45 (0) 70 (+5) 50 64  
MX/MN RH% (24H TREND) 87 (0) 36 (-6) 77 0  
AM WIND (MPH) SW 6 S 13 G26  
PM WIND (MPH) SW 5 SW 9 SE 8 W 19 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.10  
PRECIP DURATION 0 1 5  
PRECIP BEGIN 6 PM 8 PM 8 AM  
PRECIP END 8 PM 2 AM 5 PM  
MIXING HGT(FT-AGL) 7630 5930  
TRANSPORT WND (MPH) SW 16 SW 24  
VENT RATE (KT-FT) 106820 124530  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 20 GEN POOR 62 GOOD 57 GEN GOOD 60 GEN GOOD  
ADI LATE 3 VERY POOR 79 GOOD 9 POOR 116 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS  
IN THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ506-200900-  
CENTRAL AND SOUTHEAST HOWARD-  
INCLUDING THE CITIES OF COLUMBIA AND ELLICOTT CITY  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 70  
MX/MN TEMP(24H TREND) 46 (-1) 72 (+7) 52 66  
MX/MN RH% (24H TREND) 88 (+1) 33 (-11) 76 0  
AM WIND (MPH) W 5 S 11 G25  
PM WIND (MPH) SW 5 SW 9 SE 7 W 19 G40  
PRECIP AMOUNT 0.00 0.00 0.00 0.10  
PRECIP DURATION 0 5  
PRECIP BEGIN 6 PM 6 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7770 6710  
TRANSPORT WND (MPH) S 15 SW 26  
VENT RATE (KT-FT) 101010 154330  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 17 GEN POOR 60 GEN GOOD 55 GEN GOOD 65 GOOD  
ADI LATE 3 VERY POOR 74 GOOD 8 POOR 121 VERY GOOD  
MAX LVORI EARLY 4 5 3 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ014-200900-  
ANNE ARUNDEL-  
INCLUDING THE CITIES OF GLEN BURNIE, ANNAPOLIS, SEVERN,  
SOUTH GATE, SEVERNA PARK, ARNOLD, AND ODENTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 80  
MX/MN TEMP(24H TREND) 46 (-2) 73 (+9) 53 68  
MX/MN RH% (24H TREND) 92 (+4) 33 (-19) 76 0  
AM WIND (MPH) SW 5 S 12 G24  
PM WIND (MPH) SW 6 S 8 S 9 G18 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.10  
PRECIP DURATION 0 5  
PRECIP BEGIN 6 PM 6 AM  
PRECIP END 8 PM 6 PM  
MIXING HGT(FT-AGL) 6840 6220  
TRANSPORT WND (MPH) S 13 S 25  
VENT RATE (KT-FT) 75240 136840  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 4 VERY POOR 37 FAIR 27 FAIR 53 GEN GOOD  
ADI LATE 3 VERY POOR 58 GEN GOOD 10 POOR 106 VERY GOOD  
MAX LVORI EARLY 5 5 3 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ018-200900-  
CALVERT-  
INCLUDING THE CITIES OF CHESAPEAKE BEACH, HUNTINGTOWN, DUNKIRK,  
NORTH BEACH, LUSBY, AND PRINCE FREDERICK  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 80  
MX/MN TEMP(24H TREND) 45 (-4) 72 (+11) 53 69  
MX/MN RH% (24H TREND) 98 (+8) 36 (-25) 82 0  
AM WIND (MPH) SW 5 S 12 G23  
PM WIND (MPH) S 5 S 8 S 10 G18 W 16 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.10  
PRECIP DURATION 4  
PRECIP BEGIN 8 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 4770 4900  
TRANSPORT WND (MPH) S 13 S 23  
VENT RATE (KT-FT) 52470 98000  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 2 VERY POOR 11 POOR 17 GEN POOR 38 FAIR  
ADI LATE 3 VERY POOR 39 FAIR 12 POOR 66 GOOD  
MAX LVORI EARLY 6 6 3 4  
MAX LVORI LATE 8 2 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN  
THE UPPER 50S. WEST WINDS 20 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ017-200900-  
ST. MARYS-  
INCLUDING THE CITIES OF LEXINGTON PARK AND CALIFORNIA  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 80  
MX/MN TEMP(24H TREND) 45 (-4) 73 (+12) 53 71  
MX/MN RH% (24H TREND) 97 (+8) 36 (-26) 81 0  
AM WIND (MPH) SW 5 S 12 G24  
PM WIND (MPH) S 5 S 8 S 10 G19 W 16 G34  
PRECIP AMOUNT 0.00 0.00 0.00 0.10  
PRECIP DURATION 4  
PRECIP BEGIN 8 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 7380 6710  
TRANSPORT WND (MPH) S 15 S 23  
VENT RATE (KT-FT) 95940 134200  
LAL 1 1 1 5  
HAINES INDEX 4 4 3 3  
ADI EARLY 5 VERY POOR 8 POOR 51 GEN GOOD 44 GEN GOOD  
ADI LATE 2 VERY POOR 68 GOOD 10 POOR 78 GOOD  
MAX LVORI EARLY 6 7 3 4  
MAX LVORI LATE 7 2 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN  
THE UPPER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN  
THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
MDZ016-200900-  
CHARLES-  
INCLUDING THE CITIES OF ST. CHARLES AND WALDORF  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 70  
MX/MN TEMP(24H TREND) 45 (-3) 74 (+11) 53 68  
MX/MN RH% (24H TREND) 97 (+4) 32 (-22) 80 0  
AM WIND (MPH) LGT/VAR S 11 G23  
PM WIND (MPH) S 5 SW 8 S 8 W 17 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.09  
PRECIP DURATION 3  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7410 7720  
TRANSPORT WND (MPH) SW 17 SW 25  
VENT RATE (KT-FT) 111150 169840  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 10 POOR 48 GEN GOOD 61 GOOD 63 GOOD  
ADI LATE 2 VERY POOR 82 GOOD 9 POOR 103 VERY GOOD  
MAX LVORI EARLY 5 7 3 4  
MAX LVORI LATE 8 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ054-200900-  
ARLINGTON/FALLS CHURCH/ALEXANDRIA-  
INCLUDING THE CITIES OF ARLINGTON, ALEXANDRIA, AND FALLS CHURCH  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 60  
MX/MN TEMP(24H TREND) 47 (-2) 74 (+8) 54 67  
MX/MN RH% (24H TREND) 85 (+1) 30 (-13) 72 0  
AM WIND (MPH) SW 5 S 12 G24  
PM WIND (MPH) SW 6 SW 8 G17 S 7 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.08  
PRECIP DURATION 0 5  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7640 7600  
TRANSPORT WND (MPH) SW 16 SW 28  
VENT RATE (KT-FT) 106960 182400  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 16 GEN POOR 50 GEN GOOD 57 GEN GOOD 61 GOOD  
ADI LATE 3 VERY POOR 79 GOOD 8 POOR 117 VERY GOOD  
MAX LVORI EARLY 3 5 2 3  
MAX LVORI LATE 5 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.  
WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 50. HIGHS IN  
THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ053-200900-  
FAIRFAX-  
INCLUDING THE CITIES OF RESTON, HERNDON, ANNANDALE, CENTREVILLE,  
CHANTILLY, MCLEAN, AND FRANCONIA  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 60  
MX/MN TEMP(24H TREND) 45 (-2) 74 (+8) 52 68  
MX/MN RH% (24H TREND) 89 (+3) 31 (-10) 74 0  
AM WIND (MPH) SW 5 S 12 G25  
PM WIND (MPH) SW 6 SW 8 G17 S 7 W 18 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.08  
PRECIP DURATION 0 3  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7720 7440  
TRANSPORT WND (MPH) SW 17 SW 28  
VENT RATE (KT-FT) 115800 178560  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 20 GEN POOR 55 GEN GOOD 62 GOOD 57 GEN GOOD  
ADI LATE 3 VERY POOR 84 GOOD 7 POOR 118 VERY GOOD  
MAX LVORI EARLY 3 4 2 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ506-200900-  
EASTERN LOUDOUN-  
INCLUDING THE CITIES OF LEESBURG, ASHBURN, AND STERLING  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 60  
MX/MN TEMP(24H TREND) 44 (-1) 73 (+7) 51 65  
MX/MN RH% (24H TREND) 91 (+3) 33 (-6) 76 0  
AM WIND (MPH) LGT/VAR S 12 G25  
PM WIND (MPH) SW 5 SW 8 S 7 W 19 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.06  
PRECIP DURATION 0 3  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7760 4530  
TRANSPORT WND (MPH) S 17 W 40  
VENT RATE (KT-FT) 116400 158550  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 4  
ADI EARLY 23 FAIR 55 GEN GOOD 61 GOOD 38 FAIR  
ADI LATE 2 VERY POOR 85 GOOD 8 POOR 117 VERY GOOD  
MAX LVORI EARLY 3 4 3 3  
MAX LVORI LATE 6 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ505-200900-  
WESTERN LOUDOUN-  
INCLUDING THE CITY OF PURCELLVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 0 0 20 70  
MX/MN TEMP(24H TREND) 44 (0) 72 (+6) 49 62  
MX/MN RH% (24H TREND) 85 (-1) 35 (-3) 78 0  
AM WIND (MPH) SW 5 SW 11 G25  
PM WIND (MPH) LGT/VAR SW 8 S 7 W 20 G39  
PRECIP AMOUNT 0.00 0.00 0.00 0.05  
PRECIP DURATION 1 3  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 8140 4780  
TRANSPORT WND (MPH) SW 16 NW 39  
VENT RATE (KT-FT) 113960 162520  
LAL 1 1 1 5  
HAINES INDEX 5 4 4 3  
ADI EARLY 29 FAIR 59 GEN GOOD 59 GEN GOOD 25 FAIR  
ADI LATE 2 VERY POOR 80 GOOD 7 POOR 117 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 4 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS 15 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ031-200900-  
CLARKE-  
INCLUDING THE CITY OF BERRYVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 20 60  
MX/MN TEMP(24H TREND) 43 (0) 72 (+6) 49 63  
MX/MN RH% (24H TREND) 79 (-7) 33 (-3) 77 0  
AM WIND (MPH) SW 6 SW 10 G25  
PM WIND (MPH) LGT/VAR SW 7 S 7 W 19 G37  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 1 3  
PRECIP BEGIN 8 PM 8 AM  
PRECIP END 2 AM 5 PM  
MIXING HGT(FT-AGL) 8390 5180  
TRANSPORT WND (MPH) SW 15 NW 38  
VENT RATE (KT-FT) 109070 170940  
LAL 1 1 1 1  
HAINES INDEX 5 4 4 4  
ADI EARLY 32 FAIR 57 GEN GOOD 57 GEN GOOD 29 FAIR  
ADI LATE 3 VERY POOR 77 GOOD 7 POOR 117 VERY GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 4 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS 20 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ028-200900-  
FREDERICK VA-  
INCLUDING THE CITY OF WINCHESTER  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 30 50  
MX/MN TEMP(24H TREND) 43 (0) 71 (+6) 48 62  
MX/MN RH% (24H TREND) 73 (-10) 35 (+2) 78 0  
AM WIND (MPH) SW 6 SW 10 G28  
PM WIND (MPH) LGT/VAR SW 6 S 5 W 18 G36  
PRECIP AMOUNT 0.00 0.00 0.00 0.02  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 5 PM  
MIXING HGT(FT-AGL) 8490 5400  
TRANSPORT WND (MPH) SW 13 NW 37  
VENT RATE (KT-FT) 93390 172800  
LAL 1 1 1 1  
HAINES INDEX 5 5 4 3  
ADI EARLY 38 FAIR 55 GEN GOOD 38 FAIR 42 GEN GOOD  
ADI LATE 3 VERY POOR 64 GOOD 6 VERY POOR 116 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 3 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 15 TO 20 MPH.  
 

 
 
VAZ502-200900-  
SOUTHERN FAUQUIER-  
INCLUDING THE CITY OF TURNBULL  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 50  
MX/MN TEMP(24H TREND) 42 (-3) 74 (+7) 51 67  
MX/MN RH% (24H TREND) 98 (+4) 32 (-13) 79 0  
AM WIND (MPH) LGT/VAR SW 11 G24  
PM WIND (MPH) LGT/VAR SW 8 G17 S 6 W 17 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.05  
PRECIP DURATION 0 2  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7250 7140  
TRANSPORT WND (MPH) SW 17 SW 26  
VENT RATE (KT-FT) 108750 164220  
LAL 1 1 1 4  
HAINES INDEX 4 4 4 4  
ADI EARLY 16 GEN POOR 54 GEN GOOD 60 GEN GOOD 68 GOOD  
ADI LATE 2 VERY POOR 83 GOOD 7 POOR 102 VERY GOOD  
MAX LVORI EARLY 5 6 3 4  
MAX LVORI LATE 8 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ501-200900-  
NORTHERN FAUQUIER-  
INCLUDING THE CITY OF WARRENTON  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 60  
MX/MN TEMP(24H TREND) 42 (-2) 72 (+7) 50 64  
MX/MN RH% (24H TREND) 90 (+2) 33 (-7) 76 0  
AM WIND (MPH) LGT/VAR SW 11 G24  
PM WIND (MPH) LGT/VAR S 7 S 7 W 17 G36  
PRECIP AMOUNT 0.00 0.00 0.00 0.05  
PRECIP DURATION 3  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 8160 5170  
TRANSPORT WND (MPH) SW 17 NW 37  
VENT RATE (KT-FT) 122400 165440  
LAL 1 1 1 4  
HAINES INDEX 5 4 4 4  
ADI EARLY 26 FAIR 58 GEN GOOD 62 GOOD 46 GEN GOOD  
ADI LATE 2 VERY POOR 87 GOOD 7 POOR 111 VERY GOOD  
MAX LVORI EARLY 3 3 3 3  
MAX LVORI LATE 5 1 3 2  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS 20 TO 25 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
MID 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ050-200900-  
ORANGE-  
INCLUDING THE CITIES OF ORANGE AND GORDONSVILLE  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 50  
MX/MN TEMP(24H TREND) 41 (-4) 73 (+7) 50 66  
MX/MN RH% (24H TREND) 100 (+6) 33 (-13) 81 0  
AM WIND (MPH) LGT/VAR SW 10 G23  
PM WIND (MPH) LGT/VAR SW 9 G17 S 7 G17 W 16 G31  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7320 6650  
TRANSPORT WND (MPH) SW 18 W 31  
VENT RATE (KT-FT) 117120 179550  
LAL 1 1 1 1  
HAINES INDEX 4 4 4 4  
ADI EARLY 21 FAIR 61 GOOD 61 GOOD 70 GOOD  
ADI LATE 2 VERY POOR 89 GOOD 6 VERY POOR 102 VERY GOOD  
MAX LVORI EARLY 6 6 3 4  
MAX LVORI LATE 8 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ051-200900-  
CULPEPER-  
INCLUDING THE CITY OF CULPEPER  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 50  
MX/MN TEMP(24H TREND) 41 (-3) 73 (+6) 51 66  
MX/MN RH% (24H TREND) 100 (+5) 33 (-10) 81 0  
AM WIND (MPH) LGT/VAR SW 10 G23  
PM WIND (MPH) LGT/VAR SW 9 G17 S 6 W 16 G32  
PRECIP AMOUNT 0.00 0.00 0.00 0.04  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7310 5760  
TRANSPORT WND (MPH) SW 18 W 33  
VENT RATE (KT-FT) 116960 167040  
LAL 1 1 1 4  
HAINES INDEX 4 4 4 4  
ADI EARLY 19 GEN POOR 60 GEN GOOD 60 GEN GOOD 69 GOOD  
ADI LATE 2 VERY POOR 88 GOOD 6 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 5 6 3 4  
MAX LVORI LATE 8 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ056-200900-  
SPOTSYLVANIA-  
INCLUDING THE CITY OF FREDERICKSBURG  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 0 50  
MX/MN TEMP(24H TREND) 42 (-4) 74 (+9) 52 68  
MX/MN RH% (24H TREND) 100 (+7) 30 (-18) 81 0  
AM WIND (MPH) LGT/VAR S 10 G21  
PM WIND (MPH) LGT/VAR SW 8 S 8 W 15 G32  
PRECIP AMOUNT 0.00 0.00 0.00 0.05  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7570 7100  
TRANSPORT WND (MPH) SW 17 SW 25  
VENT RATE (KT-FT) 113550 156200  
LAL 1 1 1 1  
HAINES INDEX 4 5 4 3  
ADI EARLY 18 GEN POOR 59 GEN GOOD 62 GOOD 67 GOOD  
ADI LATE 2 VERY POOR 84 GOOD 7 POOR 106 VERY GOOD  
MAX LVORI EARLY 6 7 3 4  
MAX LVORI LATE 9 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
VAZ055-200900-  
STAFFORD-  
INCLUDING THE CITY OF FALMOUTH  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE SHOWERS NONE NONE TSTMS  
CHANCE PRECIP (%) 20 0 0 50  
MX/MN TEMP(24H TREND) 43 (-3) 75 (+9) 52 69  
MX/MN RH% (24H TREND) 98 (+6) 31 (-18) 78 0  
AM WIND (MPH) LGT/VAR S 11 G21  
PM WIND (MPH) LGT/VAR SW 8 S 7 W 15 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.05  
PRECIP DURATION 0 2  
PRECIP BEGIN 6 PM 8 AM  
PRECIP END 8 PM 5 PM  
MIXING HGT(FT-AGL) 7560 7350  
TRANSPORT WND (MPH) SW 17 SW 25  
VENT RATE (KT-FT) 113400 161700  
LAL 1 1 1 4  
HAINES INDEX 4 4 4 3  
ADI EARLY 16 GEN POOR 54 GEN GOOD 62 GOOD 65 GOOD  
ADI LATE 2 VERY POOR 84 GOOD 8 POOR 99 GOOD  
MAX LVORI EARLY 5 6 3 4  
MAX LVORI LATE 8 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 10 TO 15 MPH.  
 

 
 
VAZ057-200900-  
KING GEORGE-  
INCLUDING THE CITY OF DAHLGREN  
232 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 0 60  
MX/MN TEMP(24H TREND) 43 (-5) 74 (+10) 53 69  
MX/MN RH% (24H TREND) 100 (+6) 32 (-21) 80 0  
AM WIND (MPH) LGT/VAR S 11 G23  
PM WIND (MPH) LGT/VAR SW 8 S 8 W 16 G35  
PRECIP AMOUNT 0.00 0.00 0.00 0.07  
PRECIP DURATION 3  
PRECIP BEGIN 8 AM  
PRECIP END 5 PM  
MIXING HGT(FT-AGL) 7520 7740  
TRANSPORT WND (MPH) SW 16 SW 24  
VENT RATE (KT-FT) 105280 162540  
LAL 1 1 1 5  
HAINES INDEX 4 4 4 3  
ADI EARLY 14 GEN POOR 54 GEN GOOD 66 GOOD 60 GEN GOOD  
ADI LATE 2 VERY POOR 82 GOOD 8 POOR 104 VERY GOOD  
MAX LVORI EARLY 6 7 3 4  
MAX LVORI LATE 9 1 3 1  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.  
 

 
 
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