051  
FNUS51 KLWX 260907  
FWFLWX  
 
FIRE WEATHER PLANNING FORECAST FOR W AND CTL MD   
..E WV
 
N VA AND DC  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
507 AM EDT THU APR 26 2018  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BUILD OVERHEAD TODAY AND IT WILL BE DRY AND  
MILD WITH SOME SUNSHINE. LOW PRESSURE WILL APPROACH THE AREA  
TONIGHT BEFORE PASSING THROUGH FRIDAY. A PERIOD OF SOAKING RAIN IS  
EXPECTED LATE TONIGHT THROUGH FRIDAY MORNING AHEAD OF THE LOW.  
DRIER CONDITIONS WILL GRADUALLY RETURN FRIDAY AFTERNOON THROUGH  
FRIDAY NIGHT BEHIND THE DEPARTING LOW.  
 
A COLD FRONT WILL PASS THROUGH THE AREA SATURDAY AND HIGH PRESSURE  
WILL RETURN FOR SUNDAY AND MONDAY WITH DRY AND COOL CONDITIONS FOR  
THIS TIME OF YEAR. THE HIGH WILL MOVE OFFSHORE DURING THE MIDDLE  
PORTION OF NEXT WEEK AND A SOUTHWEST FLOW WILL CAUSE A BIG WARMUP  
IN TEMPERATURES.  
 
DCZ001-262100-  
DISTRICT OF COLUMBIA-  
INCLUDING THE CITY OF WASHINGTON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 90  
MX/MN TEMP(24H TREND) 71 (+7) 50 (0) 64  
MX/MN RH% (24H TREND) 35 (-30) 84 (-6) 63  
AM WIND (MPH) NW 11 G20 NE 6  
PM WIND (MPH) W 9 G18 NE 5 N 7  
PRECIP AMOUNT 0.00 0.32 0.42  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4520 3910  
TRANSPORT WND (MPH) W 9 NW 12  
VENT RATE (KT-FT) 36160 39100  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ011-262100-  
SOUTHERN BALTIMORE-  
INCLUDING THE CITY OF BALTIMORE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 60 100  
MX/MN TEMP(24H TREND) 70 (+6) 49 (0) 61  
MX/MN RH% (24H TREND) 38 (-33) 86 (-9) 66  
AM WIND (MPH) NW 11 G21 E 5  
PM WIND (MPH) W 9 G19 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.16 0.38  
PRECIP DURATION 3 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4410 3500  
TRANSPORT WND (MPH) W 12 NW 13  
VENT RATE (KT-FT) 44100 38500  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ003-262100-  
WASHINGTON-  
INCLUDING THE CITY OF HAGERSTOWN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 90  
MX/MN TEMP(24H TREND) 69 (+5) 46 (0) 62  
MX/MN RH% (24H TREND) 37 (-29) 83 (-1) 63  
AM WIND (MPH) NW 12 G23 LGT/VAR  
PM WIND (MPH) NW 9 G21 LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.22 0.29  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4560 4320  
TRANSPORT WND (MPH) W 10 W 7  
VENT RATE (KT-FT) 41040 25920  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ004-262100-  
FREDERICK MD-  
INCLUDING THE CITIES OF FREDERICK AND BALLENGER CREEK  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 90  
MX/MN TEMP(24H TREND) 70 (+9) 46 (0) 61  
MX/MN RH% (24H TREND) 39 (-34) 86 (-13) 67  
AM WIND (MPH) NW 12 G25 E 5  
PM WIND (MPH) NW 10 G23 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.27 0.37  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4270 4160  
TRANSPORT WND (MPH) W 10 NW 8  
VENT RATE (KT-FT) 38430 29120  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ005-262100-  
CARROLL-  
INCLUDING THE CITIES OF ELDERSBURG AND WESTMINSTER  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 100  
MX/MN TEMP(24H TREND) 68 (+6) 47 (+1) 60  
MX/MN RH% (24H TREND) 40 (-31) 85 (-11) 68  
AM WIND (MPH) NW 12 G24 E 5  
PM WIND (MPH) W 10 G21 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.23 0.38  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4310 3560  
TRANSPORT WND (MPH) W 10 NW 10  
VENT RATE (KT-FT) 38790 32040  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ006-262100-  
NORTHERN BALTIMORE-  
INCLUDING THE CITIES OF REISTERSTOWN AND COCKEYSVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 70 100  
MX/MN TEMP(24H TREND) 68 (+6) 47 (0) 60  
MX/MN RH% (24H TREND) 42 (-28) 85 (-11) 69  
AM WIND (MPH) NW 13 G23 LGT/VAR  
PM WIND (MPH) W 9 G21 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.15 0.38  
PRECIP DURATION 3 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4380 3300  
TRANSPORT WND (MPH) W 12 NW 13  
VENT RATE (KT-FT) 43800 36300  
LAL 1 1 1  
HAINES INDEX 4 5 3  
 
REMARKS...NONE.  
 

 
 
MDZ013-262100-  
PRINCE GEORGES-  
INCLUDING THE CITIES OF BOWIE, SUITLAND-SILVER HILL, CLINTON,  
COLLEGE PARK, GREENBELT, LAUREL, AND CAMP SPRINGS  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 90  
MX/MN TEMP(24H TREND) 70 (+7) 49 (0) 63  
MX/MN RH% (24H TREND) 34 (-34) 88 (-6) 64  
AM WIND (MPH) NW 10 G20 E 5  
PM WIND (MPH) W 8 G17 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.33 0.45  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4630 3800  
TRANSPORT WND (MPH) W 9 NW 13  
VENT RATE (KT-FT) 37040 41800  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ014-262100-  
ANNE ARUNDEL-  
INCLUDING THE CITIES OF GLEN BURNIE, ANNAPOLIS, SEVERN,  
SOUTH GATE, SEVERNA PARK, ARNOLD, AND ODENTON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 100  
MX/MN TEMP(24H TREND) 70 (+6) 49 (-1) 62  
MX/MN RH% (24H TREND) 37 (-34) 89 (-6) 66  
AM WIND (MPH) NW 11 G21 E 5  
PM WIND (MPH) W 8 G18 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.26 0.43  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4430 3500  
TRANSPORT WND (MPH) W 10 NW 13  
VENT RATE (KT-FT) 39870 38500  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ016-262100-  
CHARLES-  
INCLUDING THE CITIES OF ST. CHARLES AND WALDORF  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 69 (+7) 49 (-1) 64  
MX/MN RH% (24H TREND) 35 (-33) 93 (-3) 63  
AM WIND (MPH) NW 9 G17 E 6  
PM WIND (MPH) W 6 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.43 0.45  
PRECIP DURATION 4 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5340 4280  
TRANSPORT WND (MPH) W 8 NW 13  
VENT RATE (KT-FT) 37380 47080  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ017-262100-  
ST. MARYS-  
INCLUDING THE CITIES OF LEXINGTON PARK AND CALIFORNIA  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 69 (+6) 50 (-1) 64  
MX/MN RH% (24H TREND) 37 (-33) 91 (-7) 65  
AM WIND (MPH) NW 9 G21 E 7  
PM WIND (MPH) W 6 S 5 N 8  
PRECIP AMOUNT 0.00 0.31 0.34  
PRECIP DURATION 4 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5490 4030  
TRANSPORT WND (MPH) W 9 NW 14  
VENT RATE (KT-FT) 43920 48360  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ018-262100-  
CALVERT-  
INCLUDING THE CITIES OF CHESAPEAKE BEACH, HUNTINGTOWN, DUNKIRK,  
NORTH BEACH, LUSBY, AND PRINCE FREDERICK  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 90  
MX/MN TEMP(24H TREND) 70 (+8) 50 (-1) 63  
MX/MN RH% (24H TREND) 39 (-32) 89 (-8) 67  
AM WIND (MPH) NW 10 G21 E 7  
PM WIND (MPH) W 7 G17 S 5 N 8  
PRECIP AMOUNT 0.00 0.31 0.43  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4830 3540  
TRANSPORT WND (MPH) W 8 NW 14  
VENT RATE (KT-FT) 33810 42480  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ501-262100-  
EXTREME WESTERN ALLEGANY-  
INCLUDING THE CITY OF FROSTBURG  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 50 70  
MX/MN TEMP(24H TREND) 64 (+4) 43 (+3) 61  
MX/MN RH% (24H TREND) 38 (-31) 85 (-6) 61  
AM WIND (MPH) NW 11 G25 LGT/VAR  
PM WIND (MPH) W 8 G18 LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.05 0.08  
PRECIP DURATION 2 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4650 5260  
TRANSPORT WND (MPH) W 9 W 13  
VENT RATE (KT-FT) 37200 57860  
LAL 1 1 1  
HAINES INDEX 5 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ502-262100-  
CENTRAL AND EASTERN ALLEGANY-  
INCLUDING THE CITY OF CUMBERLAND  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 50 70  
MX/MN TEMP(24H TREND) 67 (+3) 44 (-1) 63  
MX/MN RH% (24H TREND) 35 (-29) 85 (+3) 61  
AM WIND (MPH) NW 10 G20 LGT/VAR  
PM WIND (MPH) W 7 G17 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.07 0.11  
PRECIP DURATION 1 5  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4730 4990  
TRANSPORT WND (MPH) W 9 W 10  
VENT RATE (KT-FT) 37840 44910  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ503-262100-  
NORTHWEST MONTGOMERY-  
INCLUDING THE CITIES OF GERMANTOWN AND DAMASCUS  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 90  
MX/MN TEMP(24H TREND) 68 (+7) 48 (+1) 62  
MX/MN RH% (24H TREND) 39 (-32) 88 (-10) 65  
AM WIND (MPH) NW 12 G23 E 5  
PM WIND (MPH) NW 9 G20 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.28 0.36  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4240 4000  
TRANSPORT WND (MPH) W 10 NW 9  
VENT RATE (KT-FT) 38160 32000  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ504-262100-  
CENTRAL AND SOUTHEAST MONTGOMERY-  
INCLUDING THE CITIES OF BETHESDA, ROCKVILLE, GAITHERSBURG,  
AND SILVER SPRING  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 90  
MX/MN TEMP(24H TREND) 70 (+8) 49 (0) 63  
MX/MN RH% (24H TREND) 35 (-34) 86 (-6) 64  
AM WIND (MPH) NW 12 G21 E 5  
PM WIND (MPH) W 9 G19 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.29 0.38  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4270 4000  
TRANSPORT WND (MPH) W 10 NW 10  
VENT RATE (KT-FT) 38430 36000  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ505-262100-  
NORTHWEST HOWARD-  
INCLUDING THE CITY OF LISBON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 100  
MX/MN TEMP(24H TREND) 68 (+6) 47 (0) 61  
MX/MN RH% (24H TREND) 40 (-33) 87 (-9) 67  
AM WIND (MPH) NW 13 G24 E 6  
PM WIND (MPH) W 10 G21 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.27 0.40  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4080 3660  
TRANSPORT WND (MPH) W 10 NW 12  
VENT RATE (KT-FT) 36720 36600  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ506-262100-  
CENTRAL AND SOUTHEAST HOWARD-  
INCLUDING THE CITIES OF COLUMBIA AND ELLICOTT CITY  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 100  
MX/MN TEMP(24H TREND) 69 (+6) 49 (+1) 62  
MX/MN RH% (24H TREND) 38 (-33) 86 (-7) 65  
AM WIND (MPH) NW 11 G21 E 5  
PM WIND (MPH) W 10 G19 LGT/VAR N 7  
PRECIP AMOUNT 0.00 0.26 0.40  
PRECIP DURATION 4 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4150 3650  
TRANSPORT WND (MPH) W 10 NW 12  
VENT RATE (KT-FT) 37350 36500  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
MDZ507-262100-  
NORTHWEST HARFORD-  
INCLUDING THE CITY OF JARRETTSVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 40 100  
MX/MN TEMP(24H TREND) 67 (+5) 47 (0) 59  
MX/MN RH% (24H TREND) 45 (-30) 86 (-12) 72  
AM WIND (MPH) NW 13 G24 LGT/VAR  
PM WIND (MPH) W 9 G21 W 5 N 7  
PRECIP AMOUNT 0.00 0.10 0.37  
PRECIP DURATION 2 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4700 2990  
TRANSPORT WND (MPH) W 13 NW 12  
VENT RATE (KT-FT) 51700 29900  
LAL 1 1 1  
HAINES INDEX 4 5 3  
 
REMARKS...NONE.  
 

 
 
MDZ508-262100-  
SOUTHEAST HARFORD-  
INCLUDING THE CITY OF ABERDEEN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 40 100  
MX/MN TEMP(24H TREND) 67 (+1) 48 (0) 60  
MX/MN RH% (24H TREND) 45 (-30) 88 (-9) 71  
AM WIND (MPH) NW 11 G23 E 5  
PM WIND (MPH) W 9 G19 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.10 0.38  
PRECIP DURATION 2 9  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4710 3040  
TRANSPORT WND (MPH) W 12 NW 12  
VENT RATE (KT-FT) 47100 30400  
LAL 1 1 1  
HAINES INDEX 4 5 2  
 
REMARKS...NONE.  
 

 
 
VAZ025-262100-  
AUGUSTA-  
INCLUDING THE CITIES OF STAUNTON, WAYNESBORO, AND STUARTS DRAFT  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 50  
MX/MN TEMP(24H TREND) 69 (+5) 45 (0) 65  
MX/MN RH% (24H TREND) 35 (-29) 89 (+5) 56  
AM WIND (MPH) NW 5 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.31 0.16  
PRECIP DURATION 7 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6260 6010  
TRANSPORT WND (MPH) SW 7 W 10  
VENT RATE (KT-FT) 37560 54090  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ026-262100-  
ROCKINGHAM-  
INCLUDING THE CITY OF HARRISONBURG  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 50  
MX/MN TEMP(24H TREND) 69 (+6) 45 (+1) 64  
MX/MN RH% (24H TREND) 34 (-30) 87 (+4) 58  
AM WIND (MPH) NW 5 G18 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.22 0.16  
PRECIP DURATION 5 4  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6150 5690  
TRANSPORT WND (MPH) SW 5 W 12  
VENT RATE (KT-FT) 24600 56900  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ027-262100-  
SHENANDOAH-  
INCLUDING THE CITIES OF STRASBURG, WOODSTOCK, MOUNT JACKSON,  
AND NEW MARKET  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 60  
MX/MN TEMP(24H TREND) 68 (+4) 46 (+1) 64  
MX/MN RH% (24H TREND) 33 (-32) 87 (+2) 59  
AM WIND (MPH) NW 8 G18 LGT/VAR  
PM WIND (MPH) W 5 LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.17 0.18  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5850 5320  
TRANSPORT WND (MPH) W 7 W 12  
VENT RATE (KT-FT) 35100 53200  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ028-262100-  
FREDERICK VA-  
INCLUDING THE CITY OF WINCHESTER  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 70  
MX/MN TEMP(24H TREND) 68 (+3) 46 (0) 63  
MX/MN RH% (24H TREND) 37 (-28) 86 (+5) 64  
AM WIND (MPH) NW 11 G21 LGT/VAR  
PM WIND (MPH) NW 7 G18 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.18 0.22  
PRECIP DURATION 4 7  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 5150 4920  
TRANSPORT WND (MPH) W 9 W 9  
VENT RATE (KT-FT) 41200 39360  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ029-262100-  
PAGE-  
INCLUDING THE CITIES OF LURAY, SHENANDOAH, AND STANLEY  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 60  
MX/MN TEMP(24H TREND) 69 (+4) 46 (0) 64  
MX/MN RH% (24H TREND) 34 (-30) 88 (+3) 60  
AM WIND (MPH) NW 6 G18 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.26 0.21  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5930 5280  
TRANSPORT WND (MPH) SW 6 W 10  
VENT RATE (KT-FT) 29650 47520  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ030-262100-  
WARREN-  
INCLUDING THE CITY OF FRONT ROYAL  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 70  
MX/MN TEMP(24H TREND) 69 (+3) 47 (0) 64  
MX/MN RH% (24H TREND) 36 (-30) 90 (+6) 61  
AM WIND (MPH) NW 9 G20 LGT/VAR  
PM WIND (MPH) W 6 LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.26 0.26  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5660 5080  
TRANSPORT WND (MPH) W 7 W 9  
VENT RATE (KT-FT) 33960 40640  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ031-262100-  
CLARKE-  
INCLUDING THE CITY OF BERRYVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 70  
MX/MN TEMP(24H TREND) 69 (+5) 47 (0) 63  
MX/MN RH% (24H TREND) 36 (-29) 88 (+4) 65  
AM WIND (MPH) NW 11 G23 LGT/VAR  
PM WIND (MPH) NW 7 G19 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.28 0.29  
PRECIP DURATION 4 7  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4990 4210  
TRANSPORT WND (MPH) W 8 NW 7  
VENT RATE (KT-FT) 34930 25260  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ036-262100-  
NELSON-  
INCLUDING THE CITY OF LOVINGSTON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 50  
MX/MN TEMP(24H TREND) 73 (+5) 49 (0) 68  
MX/MN RH% (24H TREND) 34 (-28) 91 (+1) 55  
AM WIND (MPH) LGT/VAR LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.41 0.19  
PRECIP DURATION 7 3  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 2 PM  
MIXING HGT(FT-AGL) 5880 6250  
TRANSPORT WND (MPH) SW 8 W 10  
VENT RATE (KT-FT) 41160 56250  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ037-262100-  
ALBEMARLE-  
INCLUDING THE CITY OF CHARLOTTESVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 50  
MX/MN TEMP(24H TREND) 74 (+5) 48 (0) 67  
MX/MN RH% (24H TREND) 32 (-28) 95 (+10) 56  
AM WIND (MPH) LGT/VAR NE 5  
PM WIND (MPH) LGT/VAR LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.42 0.23  
PRECIP DURATION 6 4  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6130 5930  
TRANSPORT WND (MPH) SW 6 NW 10  
VENT RATE (KT-FT) 30650 53370  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ038-262100-  
GREENE-  
INCLUDING THE CITY OF STANARDSVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 50  
MX/MN TEMP(24H TREND) 72 (+5) 48 (0) 67  
MX/MN RH% (24H TREND) 33 (-30) 91 (+7) 59  
AM WIND (MPH) NW 5 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.35 0.23  
PRECIP DURATION 6 4  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6290 5660  
TRANSPORT WND (MPH) SW 5 NW 12  
VENT RATE (KT-FT) 25160 56600  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ039-262100-  
MADISON-  
INCLUDING THE CITY OF MADISON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 60  
MX/MN TEMP(24H TREND) 71 (+4) 48 (0) 66  
MX/MN RH% (24H TREND) 35 (-31) 93 (+7) 63  
AM WIND (MPH) NW 5 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.36 0.26  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6360 5590  
TRANSPORT WND (MPH) SW 5 W 9  
VENT RATE (KT-FT) 25440 44720  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ040-262100-  
RAPPAHANNOCK-  
INCLUDING THE CITY OF WASHINGTON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 70  
MX/MN TEMP(24H TREND) 70 (+3) 47 (0) 65  
MX/MN RH% (24H TREND) 34 (-29) 92 (+7) 63  
AM WIND (MPH) NW 7 G18 LGT/VAR  
PM WIND (MPH) W 5 LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.30 0.27  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6220 5470  
TRANSPORT WND (MPH) W 6 W 10  
VENT RATE (KT-FT) 31100 49230  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ050-262100-  
ORANGE-  
INCLUDING THE CITIES OF ORANGE AND GORDONSVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 60  
MX/MN TEMP(24H TREND) 71 (+6) 48 (-1) 66  
MX/MN RH% (24H TREND) 35 (-33) 94 (-1) 63  
AM WIND (MPH) LGT/VAR NE 5  
PM WIND (MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.54 0.35  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6040 5430  
TRANSPORT WND (MPH) SW 6 NW 9  
VENT RATE (KT-FT) 30200 43440  
LAL 1 1 1  
HAINES INDEX 5 3 2  
 
REMARKS...NONE.  
 

 
 
VAZ051-262100-  
CULPEPER-  
INCLUDING THE CITY OF CULPEPER  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 72 (+5) 48 (0) 65  
MX/MN RH% (24H TREND) 35 (-28) 93 (+3) 64  
AM WIND (MPH) NW 6 NE 5  
PM WIND (MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.38 0.30  
PRECIP DURATION 5 6  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 6290 5440  
TRANSPORT WND (MPH) W 6 NW 10  
VENT RATE (KT-FT) 31450 48960  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ052-262100-  
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-  
INCLUDING THE CITIES OF DALE CITY, MANASSAS, WOODBRIDGE,  
LAKE RIDGE, AND MONTCLAIR  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 70 (+7) 49 (0) 64  
MX/MN RH% (24H TREND) 36 (-29) 91 (-2) 63  
AM WIND (MPH) NW 9 G19 NE 5  
PM WIND (MPH) W 7 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.40 0.38  
PRECIP DURATION 4 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5530 4530  
TRANSPORT WND (MPH) W 7 NW 10  
VENT RATE (KT-FT) 33180 40770  
LAL 1 1 1  
HAINES INDEX 4 3 2  
 
REMARKS...NONE.  
 

 
 
VAZ053-262100-  
FAIRFAX-  
INCLUDING THE CITIES OF RESTON, HERNDON, ANNANDALE, CENTREVILLE,  
CHANTILLY, MCLEAN, AND FRANCONIA  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 80  
MX/MN TEMP(24H TREND) 70 (+7) 49 (-1) 64  
MX/MN RH% (24H TREND) 35 (-30) 88 (-4) 62  
AM WIND (MPH) NW 11 G21 NE 5  
PM WIND (MPH) W 8 G18 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.34 0.38  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5080 4210  
TRANSPORT WND (MPH) W 8 NW 12  
VENT RATE (KT-FT) 35560 42100  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
VAZ054-262100-  
ARLINGTON/FALLS CHURCH/ALEXANDRIA-  
INCLUDING THE CITIES OF ARLINGTON AND ALEXANDRIA  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 90  
MX/MN TEMP(24H TREND) 71 (+7) 50 (0) 64  
MX/MN RH% (24H TREND) 32 (-32) 85 (-7) 61  
AM WIND (MPH) NW 11 G20 NE 5  
PM WIND (MPH) W 8 G18 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.33 0.41  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4650 3920  
TRANSPORT WND (MPH) W 9 NW 10  
VENT RATE (KT-FT) 37200 35280  
LAL 1 1 1  
HAINES INDEX 4 4 2  
 
REMARKS...NONE.  
 

 
 
VAZ055-262100-  
STAFFORD-  
INCLUDING THE CITY OF FALMOUTH  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 71 (+8) 49 (-1) 66  
MX/MN RH% (24H TREND) 35 (-30) 93 (-6) 64  
AM WIND (MPH) NW 8 NE 5  
PM WIND (MPH) W 5 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.58 0.44  
PRECIP DURATION 5 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5780 4720  
TRANSPORT WND (MPH) W 7 NW 12  
VENT RATE (KT-FT) 34680 47200  
LAL 1 1 1  
HAINES INDEX 4 3 2  
 
REMARKS...NONE.  
 

 
 
VAZ056-262100-  
SPOTSYLVANIA-  
INCLUDING THE CITY OF FREDERICKSBURG  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 70  
MX/MN TEMP(24H TREND) 72 (+9) 49 (-1) 66  
MX/MN RH% (24H TREND) 34 (-31) 93 (-4) 62  
AM WIND (MPH) NW 5 NE 5  
PM WIND (MPH) LGT/VAR LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.63 0.42  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5860 5250  
TRANSPORT WND (MPH) SW 7 NW 9  
VENT RATE (KT-FT) 35160 42000  
LAL 1 1 1  
HAINES INDEX 5 3 2  
 
REMARKS...NONE.  
 

 
 
VAZ057-262100-  
KING GEORGE-  
INCLUDING THE CITY OF DAHLGREN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 70 (+7) 51 (0) 66  
MX/MN RH% (24H TREND) 36 (-32) 93 (-6) 63  
AM WIND (MPH) NW 8 NE 5  
PM WIND (MPH) W 5 LGT/VAR NW 6  
PRECIP AMOUNT 0.00 0.48 0.36  
PRECIP DURATION 5 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5680 4570  
TRANSPORT WND (MPH) W 8 NW 13  
VENT RATE (KT-FT) 39760 50270  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ501-262100-  
NORTHERN FAUQUIER-  
INCLUDING THE CITY OF WARRENTON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 80  
MX/MN TEMP(24H TREND) 69 (+5) 47 (0) 63  
MX/MN RH% (24H TREND) 36 (-31) 93 (+4) 65  
AM WIND (MPH) NW 10 G20 LGT/VAR  
PM WIND (MPH) W 6 G17 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.29 0.29  
PRECIP DURATION 5 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5620 4500  
TRANSPORT WND (MPH) W 7 NW 10  
VENT RATE (KT-FT) 33720 40500  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ502-262100-  
SOUTHERN FAUQUIER-  
INCLUDING THE CITY OF TURNBULL  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 80  
MX/MN TEMP(24H TREND) 71 (+7) 48 (0) 65  
MX/MN RH% (24H TREND) 35 (-30) 92 (-2) 64  
AM WIND (MPH) NW 8 NE 5  
PM WIND (MPH) W 5 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.40 0.34  
PRECIP DURATION 5 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5970 4930  
TRANSPORT WND (MPH) W 6 NW 12  
VENT RATE (KT-FT) 29850 49300  
LAL 1 1 1  
HAINES INDEX 4 3 2  
 
REMARKS...NONE.  
 

 
 
VAZ503-262100-  
WESTERN HIGHLAND-  
INCLUDING THE CITY OF HIGHTOWN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 50  
MX/MN TEMP(24H TREND) 62 (+5) 41 (+2) 59  
MX/MN RH% (24H TREND) 40 (-28) 88 (-2) 54  
AM WIND (MPH) NW 8 G18 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR W 8 G17  
PRECIP AMOUNT 0.00 0.11 0.07  
PRECIP DURATION 7 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5180 5440  
TRANSPORT WND (MPH) SW 5 W 15  
VENT RATE (KT-FT) 20720 70720  
LAL 1 1 1  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ504-262100-  
EASTERN HIGHLAND-  
INCLUDING THE CITY OF MONTEREY  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 50  
MX/MN TEMP(24H TREND) 66 (+6) 43 (+1) 61  
MX/MN RH% (24H TREND) 37 (-26) 86 (+1) 54  
AM WIND (MPH) NW 7 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR W 7  
PRECIP AMOUNT 0.00 0.19 0.10  
PRECIP DURATION 7 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5430 5880  
TRANSPORT WND (MPH) SW 6 W 13  
VENT RATE (KT-FT) 27150 64680  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ505-262100-  
WESTERN LOUDOUN-  
INCLUDING THE CITY OF PURCELLVILLE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 80  
MX/MN TEMP(24H TREND) 67 (+4) 47 (0) 62  
MX/MN RH% (24H TREND) 38 (-31) 90 (-1) 66  
AM WIND (MPH) NW 12 G24 NE 5  
PM WIND (MPH) NW 9 G20 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.29 0.32  
PRECIP DURATION 4 8  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4800 4110  
TRANSPORT WND (MPH) W 9 NW 9  
VENT RATE (KT-FT) 38400 32880  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
VAZ506-262100-  
EASTERN LOUDOUN-  
INCLUDING THE CITIES OF LEESBURG, ASHBURN, AND STERLING  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 90 80  
MX/MN TEMP(24H TREND) 70 (+8) 48 (0) 63  
MX/MN RH% (24H TREND) 36 (-31) 89 (-8) 63  
AM WIND (MPH) NW 11 G21 NE 5  
PM WIND (MPH) NW 8 G19 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.30 0.34  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 4940 4110  
TRANSPORT WND (MPH) W 9 NW 10  
VENT RATE (KT-FT) 39520 36990  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ507-262100-  
NORTHERN VIRGINIA BLUE RIDGE-  
INCLUDING THE CITY OF BIG MEADOWS  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 60  
MX/MN TEMP(24H TREND) 65 (+3) 45 (0) 61  
MX/MN RH% (24H TREND) 37 (-32) 90 (+4) 64  
AM WIND (MPH) NW 10 G25 E 5  
PM WIND (MPH) W 6 S 5 W 6  
PRECIP AMOUNT 0.00 0.34 0.26  
PRECIP DURATION 5 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5380 4800  
TRANSPORT WND (MPH) SW 5 NW 12  
VENT RATE (KT-FT) 21520 48000  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
VAZ508-262100-  
CENTRAL VIRGINIA BLUE RIDGE-  
INCLUDING THE CITY OF WINTERGREEN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 100 50  
MX/MN TEMP(24H TREND) 66 (+6) 46 (0) 62  
MX/MN RH% (24H TREND) 36 (-31) 89 (+2) 59  
AM WIND (MPH) NW 8 G19 N 6  
PM WIND (MPH) SW 5 S 6 W 7  
PRECIP AMOUNT 0.00 0.40 0.21  
PRECIP DURATION 7 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5720 5530  
TRANSPORT WND (MPH) SW 6 W 9  
VENT RATE (KT-FT) 28600 44240  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ050-262100-  
HAMPSHIRE-  
INCLUDING THE CITY OF ROMNEY  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 70 70  
MX/MN TEMP(24H TREND) 67 (+5) 45 (+1) 63  
MX/MN RH% (24H TREND) 35 (-31) 86 (+1) 61  
AM WIND (MPH) NW 9 G20 LGT/VAR  
PM WIND (MPH) W 7 G17 LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.08 0.13  
PRECIP DURATION 4 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4840 5020  
TRANSPORT WND (MPH) W 9 W 10  
VENT RATE (KT-FT) 38720 45180  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ051-262100-  
MORGAN-  
INCLUDING THE CITY OF PAW PAW  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 70 70  
MX/MN TEMP(24H TREND) 67 (+2) 45 (0) 61  
MX/MN RH% (24H TREND) 37 (-26) 83 (+3) 63  
AM WIND (MPH) NW 11 G21 LGT/VAR  
PM WIND (MPH) W 7 G19 LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.12 0.18  
PRECIP DURATION 3 7  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4630 4680  
TRANSPORT WND (MPH) W 9 W 9  
VENT RATE (KT-FT) 37040 37440  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ052-262100-  
BERKELEY-  
INCLUDING THE CITY OF MARTINSBURG  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 80  
MX/MN TEMP(24H TREND) 69 (+3) 45 (-1) 62  
MX/MN RH% (24H TREND) 36 (-27) 85 (+6) 63  
AM WIND (MPH) NW 11 G23 LGT/VAR  
PM WIND (MPH) NW 9 G19 LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.21 0.26  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4660 4460  
TRANSPORT WND (MPH) W 9 W 8  
VENT RATE (KT-FT) 37280 31220  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ053-262100-  
JEFFERSON-  
INCLUDING THE CITIES OF CHARLES TOWN AND SHEPHERDSTOWN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY CLOUDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 80  
MX/MN TEMP(24H TREND) 69 (+4) 47 (+1) 63  
MX/MN RH% (24H TREND) 37 (-29) 86 (+5) 63  
AM WIND (MPH) NW 11 G21 LGT/VAR  
PM WIND (MPH) NW 9 G19 LGT/VAR N 6  
PRECIP AMOUNT 0.00 0.27 0.31  
PRECIP DURATION 4 8  
PRECIP BEGIN 2 AM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4620 4250  
TRANSPORT WND (MPH) W 9 NW 7  
VENT RATE (KT-FT) 36960 25500  
LAL 1 1 1  
HAINES INDEX 4 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ055-262100-  
HARDY-  
INCLUDING THE CITY OF MOOREFIELD  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 60  
MX/MN TEMP(24H TREND) 68 (+8) 45 (+1) 63  
MX/MN RH% (24H TREND) 35 (-33) 86 (0) 60  
AM WIND (MPH) NW 8 G19 LGT/VAR  
PM WIND (MPH) W 5 LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.09 0.12  
PRECIP DURATION 4 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 5260 5580  
TRANSPORT WND (MPH) W 6 W 13  
VENT RATE (KT-FT) 26300 61380  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ501-262100-  
WESTERN GRANT-  
INCLUDING THE CITIES OF BAYARD AND MOUNT STORM  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 50 50  
MX/MN TEMP(24H TREND) 63 (+7) 40 (+1) 60  
MX/MN RH% (24H TREND) 37 (-34) 86 (-8) 58  
AM WIND (MPH) W 9 G24 LGT/VAR  
PM WIND (MPH) W 7 G17 LGT/VAR W 7  
PRECIP AMOUNT 0.00 0.06 0.08  
PRECIP DURATION 2 4  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4810 5320  
TRANSPORT WND (MPH) W 7 W 16  
VENT RATE (KT-FT) 28860 74480  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ502-262100-  
EASTERN GRANT-  
INCLUDING THE CITY OF PETERSBURG  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 60 50  
MX/MN TEMP(24H TREND) 70 (+9) 45 (+1) 64  
MX/MN RH% (24H TREND) 35 (-28) 84 (-1) 56  
AM WIND (MPH) W 6 G17 LGT/VAR  
PM WIND (MPH) W 5 LGT/VAR NW 5  
PRECIP AMOUNT 0.00 0.07 0.09  
PRECIP DURATION 4 4  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 5560 6110  
TRANSPORT WND (MPH) W 6 W 16  
VENT RATE (KT-FT) 27800 85540  
LAL 1 1 1  
HAINES INDEX 5 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ503-262100-  
WESTERN MINERAL-  
INCLUDING THE CITY OF ELK GARDEN  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 50 60  
MX/MN TEMP(24H TREND) 64 (+7) 42 (+2) 61  
MX/MN RH% (24H TREND) 39 (-30) 87 (-6) 60  
AM WIND (MPH) W 10 G24 LGT/VAR  
PM WIND (MPH) W 8 LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.05 0.08  
PRECIP DURATION 2 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 4380 5310  
TRANSPORT WND (MPH) W 9 W 14  
VENT RATE (KT-FT) 35040 63720  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ504-262100-  
EASTERN MINERAL-  
INCLUDING THE CITIES OF ANTIOCH, KEYSER, NEW CREEK, RIDGEVILLE,  
RUSSELLDALE, HEADSVILLE, AND FORT ASHBY  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLEAR MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 50 60  
MX/MN TEMP(24H TREND) 69 (+5) 44 (0) 64  
MX/MN RH% (24H TREND) 34 (-28) 85 (+1) 59  
AM WIND (MPH) NW 8 G17 LGT/VAR  
PM WIND (MPH) NW 6 LGT/VAR W 5  
PRECIP AMOUNT 0.00 0.06 0.09  
PRECIP DURATION 2 5  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 5000 5470  
TRANSPORT WND (MPH) W 9 W 12  
VENT RATE (KT-FT) 40000 54700  
LAL 1 1 1  
HAINES INDEX 5 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ505-262100-  
WESTERN PENDLETON-  
INCLUDING THE CITY OF RIVERTON  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 70 50  
MX/MN TEMP(24H TREND) 64 (+7) 41 (+1) 60  
MX/MN RH% (24H TREND) 37 (-32) 87 (-3) 55  
AM WIND (MPH) NW 8 G21 LGT/VAR  
PM WIND (MPH) W 5 LGT/VAR W 7 G17  
PRECIP AMOUNT 0.00 0.08 0.08  
PRECIP DURATION 4 4  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(FT-AGL) 5160 5360  
TRANSPORT WND (MPH) SW 5 W 17  
VENT RATE (KT-FT) 20640 80400  
LAL 1 1 1  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ506-262100-  
EASTERN PENDLETON-  
INCLUDING THE CITIES OF BRANDYWINE, FRANKLIN, OAK FLAT, RUDDLE,  
AND SUGAR GROVE  
507 AM EDT THU APR 26 2018  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SHOWERS  
CHANCE PRECIP (%) 0 80 50  
MX/MN TEMP(24H TREND) 67 (+8) 44 (+2) 63  
MX/MN RH% (24H TREND) 33 (-30) 85 (0) 53  
AM WIND (MPH) NW 6 G17 LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.12 0.10  
PRECIP DURATION 5 4  
PRECIP BEGIN 11 PM CONTINUING  
PRECIP END CONTINUING 6 PM  
MIXING HGT(FT-AGL) 5430 5850  
TRANSPORT WND (MPH) SW 5 W 15  
VENT RATE (KT-FT) 21720 76050  
LAL 1 1 1  
HAINES INDEX 4 3 3  
 
REMARKS...NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. WEST WINDS 15 TO 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE UPPER 50S.  
NORTHWEST WINDS 15 TO 20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. NORTHWEST WINDS 15 TO 20 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S. WEST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.  
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.  
 

 
 
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