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3 products issued by NWS for: Potomac MD
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Short Term Forecast

SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
721 PM EDT TUE SEP 2 2014

DCZ001-MDZ009-013-VAZ053-054-030000-
ARLINGTON/FALLS CHURCH/ALEXANDRIA VA-DISTRICT OF COLUMBIA DC-FAIRFAX
VA-MONTGOMERY MD-PRINCE GEORGES MD-
721 PM EDT TUE SEP 2 2014

.NOW...
AT 719 PM EDT...DOPPLER RADAR DETECTED A THUNDERSTORM. THIS
THUNDERSTORM WAS LOCATED NEAR BALLSTON...MOVING EAST AT 40 MPH.

LOCATIONS THAT LIKELY WILL BE IMPACTED INCLUDE THE WHITE HOUSE...
ANACOSTIA...NATIONALS PARK...BOLLING AIR FORCE BASE...THE MALL...
SUITLAND...SUITLAND-SILVER HILL...CORAL HILLS...MARLOW HEIGHTS AND
FORESTVILLE.

OCCASIONAL CLOUD TO GROUND LIGHTNING IS OCCURRING. MOVE INDOORS UNTIL
THE STORM HAS PASSED.

GUSTY WINDS OF 30 TO 40 MPH CAN BE EXPECTED.

HEAVY DOWNPOURS COULD REDUCE VISIBILITIES AND CAUSE WATER TO POND ON
ROADWAYS.

LAT...LON 3871 7675 3879 7721 3896 7717 3893 7671
TIME...MOT...LOC 2321Z 278DEG 36KT 3887 7712

$$

HAS








Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
452 PM EDT TUE SEP 2 2014

MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504-
WVZ050>053-055-501>506-031000-
WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-
ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON-
ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER-
NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND-
EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-
WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
WESTERN PENDLETON-EASTERN PENDLETON-
452 PM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA...
NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND
WITH THE EXCEPTION OF GARRETT COUNTY.

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS WILL OCCUR THIS EVENING. SOME OF THE
STORMS MAY BE SEVERE WITH DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING.

$$







Severe Thunderstorm Watch

WATCH COUNTY NOTIFICATION FOR WATCH 489
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
447 PM EDT TUE SEP 2 2014

DCC001-MDC003-005-027-031-033-VAC013-059-107-510-600-030200-
/O.EXA.KLWX.SV.A.0489.000000T0000Z-140903T0200Z/

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 489 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 PM EDT THIS
EVENING

THE DISTRICT OF COLUMBIA

IN MARYLAND THIS WATCH INCLUDES 5 COUNTIES

IN CENTRAL MARYLAND

ANNE ARUNDEL          HOWARD                MONTGOMERY
PRINCE GEORGES

IN NORTHERN MARYLAND

BALTIMORE

IN VIRGINIA THIS WATCH INCLUDES 3 COUNTIES

IN NORTHERN VIRGINIA

ARLINGTON             FAIRFAX               LOUDOUN

IN VIRGINIA THIS WATCH INCLUDES 2 INDEPENDENT CITIES

IN NORTHERN VIRGINIA

CITY OF ALEXANDRIA    CITY OF FAIRFAX

THIS INCLUDES THE CITIES OF...ANNAPOLIS...ARLINGTON...CHANTILLY...
COLUMBIA...GAITHERSBURG...LAUREL...LEESBURG...MCLEAN...RESTON...
STERLING...TOWSON AND WASHINGTON.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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