236  
FNUS51 KLWX 300907  
FWFLWX  
 
FIRE WEATHER PLANNING FORECAST FOR W AND CTL MD   
..E WV
 
N VA AND DC  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
506 AM EDT SUN APR 30 2017  
   
DISCUSSION
 
 
A BACKDOOR COLD FRONT NEAR THE MASON-DIXON LINE WILL SLIP SOUTH  
INTO MARYLAND EARLY THIS MORNING. IT WILL RETURN NORTH AS A WARM  
FRONT THIS AFTERNOON. THIS BOUNDARY WILL PRODUCE PERIODS OF CLOUDS  
AND COOLER TEMPERATURES TO ITS NORTH. SCATTERED SHOWERS AND  
THUNDERSTORMS WILL BE LIMITED TO ALONG AND SOUTH OF THIS FRONT.  
 
A STRONGER COLD FRONT MOVE EAST OF THE MISSISSIPPI RIVER TONIGHT  
AND APPROACH THE APPALACHIANS BY MONDAY MORNING. THIS FRONT WILL  
CROSS THE REGION MONDAY EVENING BRINGING ANOTHER CHANCE OF  
SHOWERS AND THUNDERSTORMS. HIGH PRESSURE WILL BRING COOLER AND  
DRIER WEATHER DURING THE MIDDLE OF THE WEEK.  
 
DCZ001-302100-  
DISTRICT OF COLUMBIA-  
INCLUDING THE CITY OF WASHINGTON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
MX/MN TEMP(24H TREND) 79 (-10) 65 (-4) 81  
MX/MN RH% (24H TREND) 63 (+16) 87 (0) 58  
AM WIND (MPH) E 7 S 13 G25  
PM WIND (MPH) SE 9 SE 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.10  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6500 6460  
TRANSPORT WND (MPH) SW 13 S 30  
VENT RATE (KT-FT) 71500 167960  
LAL 1 1 2  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ011-302100-  
SOUTHERN BALTIMORE-  
INCLUDING THE CITY OF BALTIMORE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 20  
MX/MN TEMP(24H TREND) 71 (-17) 59 (-6) 80  
MX/MN RH% (24H TREND) 61 (+6) 97 (+13) 60  
AM WIND (MPH) E 7 S 11 G26  
PM WIND (MPH) E 9 E 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.08  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1580 6000  
TRANSPORT WND (MPH) E 15 S 26  
VENT RATE (KT-FT) 20540 138000  
LAL 1 1 2  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ003-302100-  
WASHINGTON-  
INCLUDING THE CITY OF HAGERSTOWN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 76 (-9) 60 (-3) 81  
MX/MN RH% (24H TREND) 68 (+14) 93 (+8) 58  
AM WIND (MPH) E 6 S 11 G27  
PM WIND (MPH) SE 8 SE 7 S 16 G28  
PRECIP AMOUNT 0.07 0.00 0.22  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 3390 4770  
TRANSPORT WND (MPH) SE 13 SW 32  
VENT RATE (KT-FT) 37290 133560  
LAL 3 2 4  
HAINES INDEX 2 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ004-302100-  
FREDERICK MD-  
INCLUDING THE CITIES OF FREDERICK AND BALLENGER CREEK  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 40  
MX/MN TEMP(24H TREND) 75 (-10) 60 (-4) 80  
MX/MN RH% (24H TREND) 69 (+14) 97 (+10) 61  
AM WIND (MPH) E 7 G17 S 12 G28  
PM WIND (MPH) SE 8 SE 7 S 17 G29  
PRECIP AMOUNT 0.02 0.00 0.14  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 5 PM CONTINUING  
MIXING HGT(FT-AGL) 3380 4780  
TRANSPORT WND (MPH) SE 13 S 32  
VENT RATE (KT-FT) 37180 133840  
LAL 3 1 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ005-302100-  
CARROLL-  
INCLUDING THE CITIES OF ELDERSBURG AND WESTMINSTER  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 30  
MX/MN TEMP(24H TREND) 72 (-12) 59 (-4) 79  
MX/MN RH% (24H TREND) 69 (+13) 98 (+10) 62  
AM WIND (MPH) E 8 S 13 G29  
PM WIND (MPH) SE 9 E 8 S 18 G31  
PRECIP AMOUNT 0.01 0.00 0.12  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1480 5120  
TRANSPORT WND (MPH) SE 14 S 32  
VENT RATE (KT-FT) 17760 143360  
LAL 1 1 3  
HAINES INDEX 2 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ006-302100-  
NORTHERN BALTIMORE-  
INCLUDING THE CITIES OF REISTERSTOWN AND COCKEYSVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 30  
MX/MN TEMP(24H TREND) 69 (-16) 59 (-4) 79  
MX/MN RH% (24H TREND) 66 (+9) 99 (+13) 63  
AM WIND (MPH) E 8 S 13 G28  
PM WIND (MPH) E 10 E 9 S 17 G29  
PRECIP AMOUNT 0.00 0.00 0.09  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1600 5470  
TRANSPORT WND (MPH) SE 16 S 30  
VENT RATE (KT-FT) 22400 142220  
LAL 1 1 2  
HAINES INDEX 2 3 4  
 
REMARKS...NONE.  
 

 
 
MDZ013-302100-  
PRINCE GEORGES-  
INCLUDING THE CITIES OF BOWIE, SUITLAND-SILVER HILL, CLINTON,  
COLLEGE PARK, GREENBELT, LAUREL, AND CAMP SPRINGS  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 20  
MX/MN TEMP(24H TREND) 81 (-8) 63 (-5) 81  
MX/MN RH% (24H TREND) 62 (+13) 89 (0) 58  
AM WIND (MPH) E 6 S 13 G26  
PM WIND (MPH) SE 9 SE 8 S 16 G27  
PRECIP AMOUNT 0.00 0.00 0.08  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6130 6250  
TRANSPORT WND (MPH) S 12 S 28  
VENT RATE (KT-FT) 61300 150000  
LAL 1 1 2  
HAINES INDEX 4 5 3  
 
REMARKS...NONE.  
 

 
 
MDZ014-302100-  
ANNE ARUNDEL-  
INCLUDING THE CITIES OF GLEN BURNIE, ANNAPOLIS, SEVERN,  
SOUTH GATE, SEVERNA PARK, ARNOLD, AND ODENTON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 20  
MX/MN TEMP(24H TREND) 75 (-14) 61 (-5) 80  
MX/MN RH% (24H TREND) 63 (+9) 93 (+3) 61  
AM WIND (MPH) E 8 S 13 G26  
PM WIND (MPH) E 9 SE 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.07  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1760 5990  
TRANSPORT WND (MPH) E 12 S 25  
VENT RATE (KT-FT) 17600 131780  
LAL 1 1 2  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ016-302100-  
CHARLES-  
INCLUDING THE CITIES OF ST. CHARLES AND WALDORF  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 20  
MX/MN TEMP(24H TREND) 84 (-5) 65 (-4) 82  
MX/MN RH% (24H TREND) 55 (+6) 87 (-4) 56  
AM WIND (MPH) SE 5 S 13 G25  
PM WIND (MPH) S 8 S 8 S 16 G26  
PRECIP AMOUNT 0.00 0.00 0.08  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6260 6220  
TRANSPORT WND (MPH) SW 21 S 29  
VENT RATE (KT-FT) 112680 155500  
LAL 1 1 2  
HAINES INDEX 5 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ017-302100-  
ST. MARYS-  
INCLUDING THE CITIES OF LEXINGTON PARK AND CALIFORNIA  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 20  
MX/MN TEMP(24H TREND) 83 (-5) 65 (-4) 82  
MX/MN RH% (24H TREND) 55 (-1) 87 (-3) 56  
AM WIND (MPH) S 5 S 14 G26  
PM WIND (MPH) S 9 G17 S 9 G17 S 18 G27  
PRECIP AMOUNT 0.00 0.00 0.04  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6070 6170  
TRANSPORT WND (MPH) SW 17 S 25  
VENT RATE (KT-FT) 91050 135740  
LAL 1 1 2  
HAINES INDEX 4 5 3  
 
REMARKS...NONE.  
 

 
 
MDZ018-302100-  
CALVERT-  
INCLUDING THE CITIES OF CHESAPEAKE BEACH, HUNTINGTOWN, DUNKIRK,  
NORTH BEACH, LUSBY, AND PRINCE FREDERICK  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 20  
MX/MN TEMP(24H TREND) 80 (-9) 65 (-3) 81  
MX/MN RH% (24H TREND) 61 (+5) 89 (-1) 59  
AM WIND (MPH) SE 6 S 14 G26  
PM WIND (MPH) SE 9 S 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.05  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 4470 5100  
TRANSPORT WND (MPH) S 13 S 23  
VENT RATE (KT-FT) 49170 102000  
LAL 1 1 2  
HAINES INDEX 4 5 3  
 
REMARKS...NONE.  
 

 
 
MDZ501-302100-  
EXTREME WESTERN ALLEGANY-  
INCLUDING THE CITY OF FROSTBURG  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 60  
MX/MN TEMP(24H TREND) 78 (-2) 60 (0) 79  
MX/MN RH% (24H TREND) 64 (+5) 88 (-1) 54  
AM WIND (MPH) E 5 S 10 G27  
PM WIND (MPH) SE 7 SE 7 S 17 G29  
PRECIP AMOUNT 0.12 0.00 0.37  
PRECIP DURATION 2 3  
PRECIP BEGIN 6 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 4390 4790  
TRANSPORT WND (MPH) S 7 SW 28  
VENT RATE (KT-FT) 26340 114960  
LAL 4 2 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
MDZ502-302100-  
CENTRAL AND EASTERN ALLEGANY-  
INCLUDING THE CITY OF CUMBERLAND  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 50  
MX/MN TEMP(24H TREND) 78 (-6) 59 (-1) 82  
MX/MN RH% (24H TREND) 67 (+10) 89 (+1) 54  
AM WIND (MPH) LGT/VAR S 9 G23  
PM WIND (MPH) SE 5 SE 6 S 14 G28  
PRECIP AMOUNT 0.11 0.00 0.37  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 2180 4390  
TRANSPORT WND (MPH) SE 5 SW 24  
VENT RATE (KT-FT) 8720 92190  
LAL 4 2 4  
HAINES INDEX 2 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ503-302100-  
NORTHWEST MONTGOMERY-  
INCLUDING THE CITIES OF GERMANTOWN AND DAMASCUS  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 40  
MX/MN TEMP(24H TREND) 77 (-11) 62 (-4) 79  
MX/MN RH% (24H TREND) 66 (+12) 94 (+5) 62  
AM WIND (MPH) E 8 S 13 G27  
PM WIND (MPH) SE 9 SE 8 S 16 G27  
PRECIP AMOUNT 0.00 0.00 0.13  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 5 PM CONTINUING  
MIXING HGT(FT-AGL) 4570 5370  
TRANSPORT WND (MPH) S 13 S 30  
VENT RATE (KT-FT) 50270 139620  
LAL 2 1 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ504-302100-  
CENTRAL AND SOUTHEAST MONTGOMERY-  
INCLUDING THE CITIES OF BETHESDA, ROCKVILLE, GAITHERSBURG,  
AND SILVER SPRING  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 30  
MX/MN TEMP(24H TREND) 78 (-11) 63 (-4) 80  
MX/MN RH% (24H TREND) 64 (+13) 90 (+3) 60  
AM WIND (MPH) E 7 S 12 G26  
PM WIND (MPH) SE 9 SE 8 S 16 G26  
PRECIP AMOUNT 0.00 0.00 0.11  
PRECIP DURATION 0 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 10 AM CONTINUING  
MIXING HGT(FT-AGL) 5520 6120  
TRANSPORT WND (MPH) S 10 S 29  
VENT RATE (KT-FT) 49680 153000  
LAL 1 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ505-302100-  
NORTHWEST HOWARD-  
INCLUDING THE CITY OF LISBON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 30  
MX/MN TEMP(24H TREND) 73 (-13) 61 (-3) 79  
MX/MN RH% (24H TREND) 66 (+10) 97 (+7) 62  
AM WIND (MPH) E 8 S 13 G27  
PM WIND (MPH) E 9 E 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.11  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 2110 5530  
TRANSPORT WND (MPH) SE 12 S 30  
VENT RATE (KT-FT) 21100 143780  
LAL 1 1 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ506-302100-  
CENTRAL AND SOUTHEAST HOWARD-  
INCLUDING THE CITIES OF COLUMBIA AND ELLICOTT CITY  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 30  
MX/MN TEMP(24H TREND) 73 (-16) 61 (-4) 79  
MX/MN RH% (24H TREND) 62 (+9) 96 (+8) 60  
AM WIND (MPH) E 8 S 12 G26  
PM WIND (MPH) E 10 E 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.09  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1710 5990  
TRANSPORT WND (MPH) E 13 S 28  
VENT RATE (KT-FT) 18810 143760  
LAL 1 1 2  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ507-302100-  
NORTHWEST HARFORD-  
INCLUDING THE CITY OF JARRETTSVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 20  
MX/MN TEMP(24H TREND) 68 (-17) 57 (-5) 79  
MX/MN RH% (24H TREND) 66 (+7) 100 (+14) 65  
AM WIND (MPH) E 8 S 12 G27  
PM WIND (MPH) E 10 E 9 S 17 G28  
PRECIP AMOUNT 0.00 0.00 0.07  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1670 4830  
TRANSPORT WND (MPH) SE 17 S 29  
VENT RATE (KT-FT) 25050 120750  
LAL 1 1 2  
HAINES INDEX 2 3 3  
 
REMARKS...NONE.  
 

 
 
MDZ508-302100-  
SOUTHEAST HARFORD-  
INCLUDING THE CITY OF ABERDEEN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 20  
MX/MN TEMP(24H TREND) 68 (-19) 57 (-5) 78  
MX/MN RH% (24H TREND) 63 (+6) 99 (+11) 63  
AM WIND (MPH) E 9 S 11 G26  
PM WIND (MPH) E 10 E 9 S 17 G27  
PRECIP AMOUNT 0.00 0.00 0.06  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 11 AM CONTINUING  
MIXING HGT(FT-AGL) 1730 4740  
TRANSPORT WND (MPH) E 16 S 29  
VENT RATE (KT-FT) 24220 118500  
LAL 1 1 2  
HAINES INDEX 2 4 4  
 
REMARKS...NONE.  
 

 
 
VAZ025-302100-  
AUGUSTA-  
INCLUDING THE CITIES OF STAUNTON, WAYNESBORO, AND STUARTS DRAFT  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE SHOWERS TSTMS  
CHANCE PRECIP (%) 0 20 60  
MX/MN TEMP(24H TREND) 83 (-2) 59 (-5) 75  
MX/MN RH% (24H TREND) 53 (+11) 92 (+1) 68  
AM WIND (MPH) SW 6 G17 S 12 G26  
PM WIND (MPH) S 12 G21 S 10 G20 S 17 G29  
PRECIP AMOUNT 0.00 0.00 0.42  
PRECIP DURATION 1 5  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 5950 2900  
TRANSPORT WND (MPH) SW 25 S 28  
VENT RATE (KT-FT) 130900 69600  
LAL 2 3 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ026-302100-  
ROCKINGHAM-  
INCLUDING THE CITY OF HARRISONBURG  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 30 20 50  
MX/MN TEMP(24H TREND) 83 (-2) 60 (-4) 77  
MX/MN RH% (24H TREND) 54 (+14) 88 (-1) 62  
AM WIND (MPH) SW 7 G19 S 13 G31  
PM WIND (MPH) S 11 G20 S 10 G21 S 17 G32  
PRECIP AMOUNT 0.01 0.00 0.34  
PRECIP DURATION 1 1 3  
PRECIP BEGIN 10 AM CONTINUING 8 AM  
PRECIP END CONTINUING 11 PM CONTINUING  
MIXING HGT(FT-AGL) 6740 2800  
TRANSPORT WND (MPH) SW 25 S 23  
VENT RATE (KT-FT) 148280 56000  
LAL 3 3 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ027-302100-  
SHENANDOAH-  
INCLUDING THE CITIES OF STRASBURG, WOODSTOCK, MOUNT JACKSON,  
AND NEW MARKET  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 50  
MX/MN TEMP(24H TREND) 82 (-3) 61 (-3) 78  
MX/MN RH% (24H TREND) 55 (+11) 88 (-1) 62  
AM WIND (MPH) LGT/VAR S 13 G29  
PM WIND (MPH) S 8 G19 S 8 G20 S 16 G32  
PRECIP AMOUNT 0.03 0.00 0.26  
PRECIP DURATION 1 2  
PRECIP BEGIN 9 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 6470 4270  
TRANSPORT WND (MPH) SW 23 S 29  
VENT RATE (KT-FT) 129400 106750  
LAL 3 2 4  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ028-302100-  
FREDERICK VA-  
INCLUDING THE CITY OF WINCHESTER  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 50  
MX/MN TEMP(24H TREND) 79 (-6) 62 (-1) 80  
MX/MN RH% (24H TREND) 65 (+12) 86 (-3) 61  
AM WIND (MPH) LGT/VAR S 12 G27  
PM WIND (MPH) SE 7 SE 7 S 16 G28  
PRECIP AMOUNT 0.07 0.00 0.23  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 6820 4470  
TRANSPORT WND (MPH) S 21 S 32  
VENT RATE (KT-FT) 122760 125160  
LAL 3 2 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ029-302100-  
PAGE-  
INCLUDING THE CITIES OF LURAY, SHENANDOAH, AND STANLEY  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 50  
MX/MN TEMP(24H TREND) 84 (-3) 61 (-4) 78  
MX/MN RH% (24H TREND) 56 (+14) 88 (-2) 64  
AM WIND (MPH) S 6 S 13 G29  
PM WIND (MPH) S 9 G20 S 9 G19 S 16 G31  
PRECIP AMOUNT 0.00 0.00 0.26  
PRECIP DURATION 1 2  
PRECIP BEGIN 10 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 6490 4630  
TRANSPORT WND (MPH) SW 26 S 31  
VENT RATE (KT-FT) 149270 125010  
LAL 3 2 4  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ030-302100-  
WARREN-  
INCLUDING THE CITY OF FRONT ROYAL  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 83 (-4) 64 (-1) 80  
MX/MN RH% (24H TREND) 59 (+12) 87 (-3) 63  
AM WIND (MPH) LGT/VAR S 12 G28  
PM WIND (MPH) SE 7 G19 S 8 G18 S 16 G29  
PRECIP AMOUNT 0.02 0.00 0.21  
PRECIP DURATION 1 2  
PRECIP BEGIN 9 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 5980 4730  
TRANSPORT WND (MPH) SW 24 S 33  
VENT RATE (KT-FT) 125580 137170  
LAL 3 2 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ031-302100-  
CLARKE-  
INCLUDING THE CITY OF BERRYVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 79 (-7) 63 (-1) 79  
MX/MN RH% (24H TREND) 64 (+13) 87 (-3) 62  
AM WIND (MPH) E 5 S 12 G28  
PM WIND (MPH) SE 8 G18 S 8 G17 S 16 G29  
PRECIP AMOUNT 0.04 0.00 0.19  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 5600 4580  
TRANSPORT WND (MPH) S 21 S 33  
VENT RATE (KT-FT) 100800 132820  
LAL 3 2 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ036-302100-  
NELSON-  
INCLUDING THE CITY OF LOVINGSTON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 60  
MX/MN TEMP(24H TREND) 86 (-4) 62 (-5) 78  
MX/MN RH% (24H TREND) 47 (+1) 87 (-3) 63  
AM WIND (MPH) SW 6 S 12 G24  
PM WIND (MPH) S 12 G20 S 9 G19 S 15 G28  
PRECIP AMOUNT 0.00 0.00 0.39  
PRECIP DURATION 4  
PRECIP BEGIN 6 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 4340 5020  
TRANSPORT WND (MPH) SW 22 S 33  
VENT RATE (KT-FT) 82460 145580  
LAL 1 1 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ037-302100-  
ALBEMARLE-  
INCLUDING THE CITY OF CHARLOTTESVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 50  
MX/MN TEMP(24H TREND) 86 (-3) 63 (-5) 79  
MX/MN RH% (24H TREND) 47 (+2) 86 (-1) 62  
AM WIND (MPH) S 5 S 13 G24  
PM WIND (MPH) S 11 G20 S 9 G19 S 15 G26  
PRECIP AMOUNT 0.00 0.00 0.30  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 5160 5750  
TRANSPORT WND (MPH) SW 23 S 33  
VENT RATE (KT-FT) 103200 166750  
LAL 1 1 4  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ038-302100-  
GREENE-  
INCLUDING THE CITY OF STANARDSVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 50  
MX/MN TEMP(24H TREND) 85 (-3) 62 (-4) 79  
MX/MN RH% (24H TREND) 53 (+9) 88 (-1) 63  
AM WIND (MPH) SW 5 S 12 G25  
PM WIND (MPH) S 10 G19 S 9 G18 S 16 G27  
PRECIP AMOUNT 0.00 0.00 0.28  
PRECIP DURATION 2  
PRECIP BEGIN 8 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6380 5470  
TRANSPORT WND (MPH) SW 25 S 33  
VENT RATE (KT-FT) 140360 158630  
LAL 2 1 4  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ039-302100-  
MADISON-  
INCLUDING THE CITY OF MADISON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 50  
MX/MN TEMP(24H TREND) 85 (-2) 62 (-4) 79  
MX/MN RH% (24H TREND) 56 (+10) 91 (-1) 65  
AM WIND (MPH) SW 5 S 12 G25  
PM WIND (MPH) S 10 G20 S 8 G18 S 16 G27  
PRECIP AMOUNT 0.00 0.00 0.22  
PRECIP DURATION 0 2  
PRECIP BEGIN 2 PM 11 AM  
PRECIP END 5 PM CONTINUING  
MIXING HGT(FT-AGL) 6230 5650  
TRANSPORT WND (MPH) SW 25 S 35  
VENT RATE (KT-FT) 137060 169500  
LAL 2 1 4  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ040-302100-  
RAPPAHANNOCK-  
INCLUDING THE CITY OF WASHINGTON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 84 (-3) 63 (-2) 80  
MX/MN RH% (24H TREND) 60 (+13) 87 (-7) 65  
AM WIND (MPH) LGT/VAR S 12 G25  
PM WIND (MPH) S 8 G19 S 8 G18 S 16 G28  
PRECIP AMOUNT 0.00 0.00 0.20  
PRECIP DURATION 1 2  
PRECIP BEGIN 10 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 6250 5220  
TRANSPORT WND (MPH) SW 25 S 35  
VENT RATE (KT-FT) 137500 156600  
LAL 3 2 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ050-302100-  
ORANGE-  
INCLUDING THE CITIES OF ORANGE AND GORDONSVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 40  
MX/MN TEMP(24H TREND) 86 (-3) 64 (-4) 80  
MX/MN RH% (24H TREND) 51 (+4) 88 (-4) 60  
AM WIND (MPH) S 5 S 13 G24  
PM WIND (MPH) S 10 G20 S 8 G18 S 16 G27  
PRECIP AMOUNT 0.00 0.00 0.17  
PRECIP DURATION 2  
PRECIP BEGIN 11 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 5010 6080  
TRANSPORT WND (MPH) SW 24 S 32  
VENT RATE (KT-FT) 105210 170240  
LAL 1 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ051-302100-  
CULPEPER-  
INCLUDING THE CITY OF CULPEPER  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 40  
MX/MN TEMP(24H TREND) 85 (-4) 64 (-3) 80  
MX/MN RH% (24H TREND) 54 (+6) 88 (-5) 62  
AM WIND (MPH) LGT/VAR S 12 G24  
PM WIND (MPH) S 9 G19 S 8 G17 S 16 G26  
PRECIP AMOUNT 0.00 0.00 0.16  
PRECIP DURATION 0 2  
PRECIP BEGIN 2 PM 11 AM  
PRECIP END 5 PM CONTINUING  
MIXING HGT(FT-AGL) 5230 5850  
TRANSPORT WND (MPH) SW 25 S 33  
VENT RATE (KT-FT) 115060 169650  
LAL 2 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ052-302100-  
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-  
INCLUDING THE CITIES OF DALE CITY, MANASSAS, WOODBRIDGE,  
LAKE RIDGE, AND MONTCLAIR  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
MX/MN TEMP(24H TREND) 84 (-6) 65 (-2) 81  
MX/MN RH% (24H TREND) 57 (+11) 89 (-3) 59  
AM WIND (MPH) LGT/VAR S 12 G24  
PM WIND (MPH) S 7 G17 S 7 S 14 G25  
PRECIP AMOUNT 0.00 0.00 0.12  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 5970 6210  
TRANSPORT WND (MPH) SW 21 S 29  
VENT RATE (KT-FT) 107460 155250  
LAL 2 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ053-302100-  
FAIRFAX-  
INCLUDING THE CITIES OF RESTON, HERNDON, ANNANDALE, CENTREVILLE,  
CHANTILLY, MCLEAN, AND FRANCONIA  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
MX/MN TEMP(24H TREND) 82 (-8) 64 (-4) 81  
MX/MN RH% (24H TREND) 59 (+13) 89 (0) 59  
AM WIND (MPH) E 5 S 13 G26  
PM WIND (MPH) SE 8 G17 SE 8 S 16 G26  
PRECIP AMOUNT 0.00 0.00 0.11  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 5820 6150  
TRANSPORT WND (MPH) SW 15 S 29  
VENT RATE (KT-FT) 75660 153750  
LAL 1 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ054-302100-  
ARLINGTON/FALLS CHURCH/ALEXANDRIA-  
INCLUDING THE CITIES OF ARLINGTON AND ALEXANDRIA  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
MX/MN TEMP(24H TREND) 80 (-11) 66 (-3) 81  
MX/MN RH% (24H TREND) 61 (+14) 85 (-2) 58  
AM WIND (MPH) E 6 S 13 G25  
PM WIND (MPH) SE 8 SE 9 S 16 G27  
PRECIP AMOUNT 0.00 0.00 0.10  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6520 6390  
TRANSPORT WND (MPH) SW 14 S 30  
VENT RATE (KT-FT) 78240 166140  
LAL 1 1 2  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ055-302100-  
STAFFORD-  
INCLUDING THE CITY OF FALMOUTH  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
MX/MN TEMP(24H TREND) 86 (-5) 65 (-4) 81  
MX/MN RH% (24H TREND) 51 (+4) 88 (-3) 58  
AM WIND (MPH) S 5 S 13 G23  
PM WIND (MPH) S 8 G18 S 7 S 15 G25  
PRECIP AMOUNT 0.00 0.00 0.11  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6670 6400  
TRANSPORT WND (MPH) SW 25 S 31  
VENT RATE (KT-FT) 146740 172800  
LAL 1 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ056-302100-  
SPOTSYLVANIA-  
INCLUDING THE CITY OF FREDERICKSBURG  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
MX/MN TEMP(24H TREND) 87 (-2) 65 (-5) 82  
MX/MN RH% (24H TREND) 48 (0) 89 (-1) 57  
AM WIND (MPH) SW 5 S 13 G23  
PM WIND (MPH) S 9 G20 S 9 G18 S 15 G26  
PRECIP AMOUNT 0.00 0.00 0.12  
PRECIP DURATION 2  
PRECIP BEGIN 11 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6050 6350  
TRANSPORT WND (MPH) SW 24 S 32  
VENT RATE (KT-FT) 127050 177800  
LAL 1 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ057-302100-  
KING GEORGE-  
INCLUDING THE CITY OF DAHLGREN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 20  
MX/MN TEMP(24H TREND) 87 (-2) 66 (-4) 82  
MX/MN RH% (24H TREND) 48 (-2) 89 (-1) 55  
AM WIND (MPH) S 5 S 13 G24  
PM WIND (MPH) S 9 G18 S 9 S 16 G26  
PRECIP AMOUNT 0.00 0.00 0.08  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 6750 6310  
TRANSPORT WND (MPH) SW 24 S 29  
VENT RATE (KT-FT) 141750 157750  
LAL 1 1 2  
HAINES INDEX 4 5 3  
 
REMARKS...NONE.  
 

 
 
VAZ501-302100-  
NORTHERN FAUQUIER-  
INCLUDING THE CITY OF WARRENTON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 82 (-6) 64 (-1) 79  
MX/MN RH% (24H TREND) 62 (+13) 89 (-4) 64  
AM WIND (MPH) LGT/VAR S 13 G27  
PM WIND (MPH) S 8 G18 S 9 G17 S 16 G28  
PRECIP AMOUNT 0.00 0.00 0.17  
PRECIP DURATION 1 2  
PRECIP BEGIN 9 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 5230 4910  
TRANSPORT WND (MPH) SW 23 S 32  
VENT RATE (KT-FT) 104600 137480  
LAL 3 2 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ502-302100-  
SOUTHERN FAUQUIER-  
INCLUDING THE CITY OF TURNBULL  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 40  
MX/MN TEMP(24H TREND) 85 (-5) 64 (-3) 81  
MX/MN RH% (24H TREND) 55 (+8) 88 (-5) 60  
AM WIND (MPH) LGT/VAR S 12 G24  
PM WIND (MPH) S 8 G17 S 8 S 15 G25  
PRECIP AMOUNT 0.00 0.00 0.14  
PRECIP DURATION 1 2  
PRECIP BEGIN 11 AM 11 AM  
PRECIP END 5 PM CONTINUING  
MIXING HGT(FT-AGL) 5400 5990  
TRANSPORT WND (MPH) SW 24 S 30  
VENT RATE (KT-FT) 113400 155740  
LAL 2 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ503-302100-  
WESTERN HIGHLAND-  
INCLUDING THE CITY OF HIGHTOWN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 20 20 60  
MX/MN TEMP(24H TREND) 77 (-2) 56 (-3) 68  
MX/MN RH% (24H TREND) 55 (+9) 93 (+2) 74  
AM WIND (MPH) SW 8 G19 S 15 G31  
PM WIND (MPH) S 11 G20 S 12 G23 S 19 G33  
PRECIP AMOUNT 0.02 0.00 0.37  
PRECIP DURATION 1 1 5  
PRECIP BEGIN 2 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 7200 1650  
TRANSPORT WND (MPH) SW 24 S 25  
VENT RATE (KT-FT) 151200 36300  
LAL 2 3 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ504-302100-  
EASTERN HIGHLAND-  
INCLUDING THE CITY OF MONTEREY  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 20 20 60  
MX/MN TEMP(24H TREND) 80 (-1) 56 (-5) 71  
MX/MN RH% (24H TREND) 53 (+10) 92 (0) 72  
AM WIND (MPH) SW 7 S 13 G27  
PM WIND (MPH) S 11 G20 S 11 G21 S 17 G32  
PRECIP AMOUNT 0.01 0.00 0.39  
PRECIP DURATION 0 1 5  
PRECIP BEGIN 2 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 6470 1890  
TRANSPORT WND (MPH) SW 24 S 24  
VENT RATE (KT-FT) 135870 39690  
LAL 2 3 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ505-302100-  
WESTERN LOUDOUN-  
INCLUDING THE CITY OF PURCELLVILLE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 79 (-8) 63 (-2) 79  
MX/MN RH% (24H TREND) 67 (+15) 91 (0) 63  
AM WIND (MPH) E 6 S 12 G28  
PM WIND (MPH) SE 8 SE 7 S 16 G28  
PRECIP AMOUNT 0.01 0.00 0.16  
PRECIP DURATION 2 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 4720 4570  
TRANSPORT WND (MPH) S 18 S 31  
VENT RATE (KT-FT) 75520 123390  
LAL 3 2 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ506-302100-  
EASTERN LOUDOUN-  
INCLUDING THE CITIES OF LEESBURG, ASHBURN, AND STERLING  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 40  
MX/MN TEMP(24H TREND) 80 (-9) 64 (-3) 80  
MX/MN RH% (24H TREND) 62 (+14) 89 (-1) 61  
AM WIND (MPH) E 5 S 13 G25  
PM WIND (MPH) SE 8 SE 8 S 16 G25  
PRECIP AMOUNT 0.00 0.00 0.14  
PRECIP DURATION 1 1  
PRECIP BEGIN 7 AM 2 PM  
PRECIP END 5 PM CONTINUING  
MIXING HGT(FT-AGL) 4720 5520  
TRANSPORT WND (MPH) S 18 S 30  
VENT RATE (KT-FT) 75520 143520  
LAL 2 1 3  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ507-302100-  
NORTHERN VIRGINIA BLUE RIDGE-  
INCLUDING THE CITY OF BIG MEADOWS  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 20 0 50  
MX/MN TEMP(24H TREND) 80 (-4) 58 (-7) 75  
MX/MN RH% (24H TREND) 59 (+13) 91 (+2) 69  
AM WIND (MPH) SW 9 G20 S 17 G32  
PM WIND (MPH) S 11 G20 S 14 G24 S 20 G34  
PRECIP AMOUNT 0.00 0.00 0.29  
PRECIP DURATION 1 2  
PRECIP BEGIN 10 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 6120 4320  
TRANSPORT WND (MPH) SW 25 S 31  
VENT RATE (KT-FT) 134640 116640  
LAL 3 2 4  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ508-302100-  
CENTRAL VIRGINIA BLUE RIDGE-  
INCLUDING THE CITY OF WINTERGREEN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 60  
MX/MN TEMP(24H TREND) 81 (-2) 58 (-7) 74  
MX/MN RH% (24H TREND) 53 (+7) 92 (+3) 68  
AM WIND (MPH) SW 10 G21 S 16 G28  
PM WIND (MPH) S 13 G21 S 14 G24 S 19 G34  
PRECIP AMOUNT 0.00 0.00 0.47  
PRECIP DURATION 5  
PRECIP BEGIN 6 AM  
PRECIP END CONTINUING  
MIXING HGT(FT-AGL) 5590 3580  
TRANSPORT WND (MPH) SW 24 S 31  
VENT RATE (KT-FT) 117390 96660  
LAL 1 1 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ050-302100-  
HAMPSHIRE-  
INCLUDING THE CITY OF ROMNEY  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 50  
MX/MN TEMP(24H TREND) 80 (-4) 61 (-1) 80  
MX/MN RH% (24H TREND) 65 (+12) 88 (0) 56  
AM WIND (MPH) LGT/VAR S 10 G26  
PM WIND (MPH) SE 6 SE 6 S 15 G28  
PRECIP AMOUNT 0.09 0.00 0.30  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 5010 4240  
TRANSPORT WND (MPH) SE 8 SW 28  
VENT RATE (KT-FT) 35070 101760  
LAL 4 2 4  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ051-302100-  
MORGAN-  
INCLUDING THE CITY OF PAW PAW  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 50  
MX/MN TEMP(24H TREND) 76 (-8) 60 (-1) 80  
MX/MN RH% (24H TREND) 70 (+14) 88 (+2) 58  
AM WIND (MPH) LGT/VAR S 10 G26  
PM WIND (MPH) SE 6 SE 6 S 15 G28  
PRECIP AMOUNT 0.09 0.00 0.29  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 1730 4340  
TRANSPORT WND (MPH) E 8 S 28  
VENT RATE (KT-FT) 12110 104160  
LAL 4 2 4  
HAINES INDEX 2 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ052-302100-  
BERKELEY-  
INCLUDING THE CITY OF MARTINSBURG  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 50  
MX/MN TEMP(24H TREND) 77 (-9) 60 (-2) 81  
MX/MN RH% (24H TREND) 66 (+13) 90 (+2) 58  
AM WIND (MPH) LGT/VAR S 11 G26  
PM WIND (MPH) SE 7 SE 6 S 16 G28  
PRECIP AMOUNT 0.06 0.00 0.23  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 4380 4690  
TRANSPORT WND (MPH) SE 14 SW 31  
VENT RATE (KT-FT) 52560 126630  
LAL 3 2 3  
HAINES INDEX 2 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ053-302100-  
JEFFERSON-  
INCLUDING THE CITIES OF CHARLES TOWN AND SHEPHERDSTOWN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 40  
MX/MN TEMP(24H TREND) 78 (-8) 61 (-3) 80  
MX/MN RH% (24H TREND) 66 (+14) 89 (0) 60  
AM WIND (MPH) E 5 S 12 G25  
PM WIND (MPH) SE 8 SE 7 S 16 G26  
PRECIP AMOUNT 0.04 0.00 0.19  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 5120 4530  
TRANSPORT WND (MPH) S 17 S 32  
VENT RATE (KT-FT) 76800 126840  
LAL 3 2 3  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ055-302100-  
HARDY-  
INCLUDING THE CITY OF MOOREFIELD  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 50  
MX/MN TEMP(24H TREND) 81 (-2) 62 (0) 77  
MX/MN RH% (24H TREND) 58 (+11) 87 (-2) 63  
AM WIND (MPH) LGT/VAR S 13 G31  
PM WIND (MPH) S 7 G18 S 9 G21 S 17 G33  
PRECIP AMOUNT 0.07 0.00 0.31  
PRECIP DURATION 1 2  
PRECIP BEGIN 9 AM 11 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 8300 3790  
TRANSPORT WND (MPH) SW 17 SW 29  
VENT RATE (KT-FT) 124500 94750  
LAL 4 2 4  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ501-302100-  
WESTERN GRANT-  
INCLUDING THE CITIES OF BAYARD AND MOUNT STORM  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 50  
MX/MN TEMP(24H TREND) 80 (+2) 59 (+1) 75  
MX/MN RH% (24H TREND) 56 (+2) 85 (-4) 61  
AM WIND (MPH) S 5 S 15 G33  
PM WIND (MPH) S 7 G17 S 10 G21 S 18 G33  
PRECIP AMOUNT 0.08 0.00 0.32  
PRECIP DURATION 2 3  
PRECIP BEGIN 8 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 7530 3940  
TRANSPORT WND (MPH) SW 14 SW 31  
VENT RATE (KT-FT) 90360 106380  
LAL 4 2 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ502-302100-  
EASTERN GRANT-  
INCLUDING THE CITY OF PETERSBURG  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 50  
MX/MN TEMP(24H TREND) 83 (-1) 61 (0) 78  
MX/MN RH% (24H TREND) 55 (+8) 84 (-5) 59  
AM WIND (MPH) LGT/VAR S 11 G27  
PM WIND (MPH) S 6 S 8 G18 S 16 G31  
PRECIP AMOUNT 0.07 0.00 0.31  
PRECIP DURATION 2 2  
PRECIP BEGIN 8 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 8820 4120  
TRANSPORT WND (MPH) SW 15 SW 31  
VENT RATE (KT-FT) 114660 111240  
LAL 4 2 4  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ503-302100-  
WESTERN MINERAL-  
INCLUDING THE CITY OF ELK GARDEN  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 50  
MX/MN TEMP(24H TREND) 80 (0) 60 (+1) 78  
MX/MN RH% (24H TREND) 60 (+4) 84 (-4) 57  
AM WIND (MPH) LGT/VAR S 12 G29  
PM WIND (MPH) S 7 S 8 G17 S 17 G31  
PRECIP AMOUNT 0.12 0.00 0.33  
PRECIP DURATION 2 3  
PRECIP BEGIN 6 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 5350 4560  
TRANSPORT WND (MPH) S 9 SW 28  
VENT RATE (KT-FT) 42800 109440  
LAL 4 2 4  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
 

 
 
WVZ504-302100-  
EASTERN MINERAL-  
INCLUDING THE CITIES OF ANTIOCH, KEYSER, NEW CREEK, RIDGEVILLE,  
RUSSELLDALE, HEADSVILLE, AND FORT ASHBY  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER MCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 50 0 50  
MX/MN TEMP(24H TREND) 81 (-4) 60 (-1) 82  
MX/MN RH% (24H TREND) 63 (+9) 89 (0) 52  
AM WIND (MPH) LGT/VAR S 9 G24  
PM WIND (MPH) SE 5 SE 5 S 14 G26  
PRECIP AMOUNT 0.10 0.00 0.34  
PRECIP DURATION 2 2  
PRECIP BEGIN 6 AM 8 AM  
PRECIP END 6 PM CONTINUING  
MIXING HGT(FT-AGL) 3730 4640  
TRANSPORT WND (MPH) SE 6 SW 28  
VENT RATE (KT-FT) 18650 111360  
LAL 4 2 4  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ505-302100-  
WESTERN PENDLETON-  
INCLUDING THE CITY OF RIVERTON  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 30 20 60  
MX/MN TEMP(24H TREND) 80 (0) 57 (-2) 72  
MX/MN RH% (24H TREND) 52 (+7) 88 (+1) 64  
AM WIND (MPH) SW 8 G23 S 16 G35  
PM WIND (MPH) S 9 G20 S 11 G26 S 19 G35  
PRECIP AMOUNT 0.04 0.01 0.32  
PRECIP DURATION 1 1 4  
PRECIP BEGIN 10 AM CONTINUING 8 AM  
PRECIP END CONTINUING 11 PM CONTINUING  
MIXING HGT(FT-AGL) 8160 2610  
TRANSPORT WND (MPH) SW 20 SW 30  
VENT RATE (KT-FT) 138720 67860  
LAL 3 3 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ506-302100-  
EASTERN PENDLETON-  
INCLUDING THE CITIES OF BRANDYWINE, FRANKLIN, OAK FLAT, RUDDLE,  
AND SUGAR GROVE  
506 AM EDT SUN APR 30 2017  
 
TODAY TONIGHT MON  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS SHOWERS TSTMS  
CHANCE PRECIP (%) 30 20 60  
MX/MN TEMP(24H TREND) 82 (0) 58 (-3) 75  
MX/MN RH% (24H TREND) 51 (+10) 88 (-1) 61  
AM WIND (MPH) SW 7 G19 S 14 G32  
PM WIND (MPH) S 10 G20 S 11 G23 S 18 G32  
PRECIP AMOUNT 0.03 0.00 0.34  
PRECIP DURATION 1 1 4  
PRECIP BEGIN 10 AM CONTINUING 8 AM  
PRECIP END CONTINUING 11 PM CONTINUING  
MIXING HGT(FT-AGL) 8500 2650  
TRANSPORT WND (MPH) SW 23 SW 29  
VENT RATE (KT-FT) 170000 66250  
LAL 3 3 4  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
TUESDAY
 
WINDY. MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS  
LIKELY. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHWEST  
WINDS 25 TO 30 MPH.    
WEDNESDAY
 
WINDY. MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN  
THE UPPER 60S. WEST WINDS 20 TO 30 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 60S. EAST WINDS 10 TO 15 MPH.    
FRIDAY
 
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE MID 60S. WEST WINDS 10 TO 15 MPH.  
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES BELOW NORMAL. PRECIPITATION BELOW NORMAL.  
 

 
 
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