With expected rainfall totals of two to four inches on Friday, the National Weather Service has issued a Flash Flood Watch for Montgomery County and the entire Washington area. Rain is expected to start tonight and last through Friday evening.
The greatest flooding impact of the rain is expected between 10 a.m. and 8 p.m. on Friday.
… FLASH FLOOD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING…
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLASH FLOOD WATCH FOR PORTIONS OF MARYLAND… THE DISTRICT OF COLUMBIA AND VIRGINIA… INCLUDING THE FOLLOWING AREAS… IN MARYLAND… ANNE ARUNDEL… CALVERT… CARROLL… CHARLES… HARFORD… HOWARD… MONTGOMERY… NORTHERN BALTIMORE… PRINCE GEORGES… SOUTHERN BALTIMORE AND ST. MARYS. THE DISTRICT OF COLUMBIA. IN VIRGINIA… ALBEMARLE… ARLINGTON/FALLS CHURCH/ALEXANDRIA… CULPEPER… FAIRFAX… GREENE… KING GEORGE… LOUDOUN… MADISON… NELSON… NORTHERN FAUQUIER… ORANGE… PRINCE WILLIAM/MANASSAS/MANASSAS PARK… RAPPAHANNOCK… SOUTHERN FAUQUIER… SPOTSYLVANIA AND STAFFORD.
* FROM FRIDAY MORNING THROUGH FRIDAY EVENING
* HEAVY RAINFALL OF 2 TO 4 INCHES WITH ISOLATED TOTALS UP TO 6 INCHES CAN BE EXPECTED. EXCESSIVE RUNOFF FROM HEAVY RAINS MAY LEAD TO FLASH FLOODING OF LOW LYING AREAS AND SMALL STREAMS. THE GREATEST IMPACT FOR HEAVY RAINFALL IS EXPECTED TO OCCUR BETWEEN 10 AM AND 8 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.