Sep 18
TORNADO WATCH REMAINS VALID UNTIL 7 PM EDT THIS EVENING FOR
THE FOLLOWING AREAS:
THE DISTRICT OF COLUMBIA
IN MARYLAND THIS WATCH INCLUDES IN CENTRAL MARYLAND
ANNE ARUNDEL, HOWARD, MONTGOMERY, PRINCE GEORGES
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ALSO ISSUED A
* FLASH FLOOD WARNING FOR... THE DISTRICT OF COLUMBIA... MONTGOMERY COUNTY IN CENTRAL MARYLAND... NORTHWESTERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND...* UNTIL 545 PM EDT
* AT 246 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN CAPABLE OF PRODUCING FLASH FLOODING. RADAR
ESTIMATES THAT ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES
CAN BE EXPECTED. AN INCH OF RAIN MAY FALL IN AS LITTLE AS
15 MINUTES...WHICH WILL RAPIDLY CAUSE PONDING OF WATER ON
ROADWAYS. ADDITIONAL RAIN WOULD LEAD TO FLASH FLOODING.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF
SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS...
UNDERPASSES AND OTHER DRAINAGE AREAS AND LOW LYING SPOTS.