Flash Flood Watch In Effect Until 11:15 p.m. Tonight (09.28.2011)

by Lee Hernly, Editor
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The National Weather Service has issued the following Flash Flood Watch until 11:15 this evening.

AT 812 PM EDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING FROM A
THUNDERSTORM OVER THE WARNED AREA. RAINFALL RATES OF ONE TO TWO
INCHES PER HOUR CAN BE EXPECTED WITH THIS STORM.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE ALEXANDRIA…ARLINGTON…BALLSTON…DUMFRIES…FORT
BELVOIR…FRANCONIA…LORTON…NEWINGTON…ROSSLYN…
SPRINGFIELD…WOODBRIDGE…HYATTSVILLE…LANDOVER…LANGLEY
PARK…ADAMS MORGAN…ANACOSTIA…GEORGETOWN…AND DOWNTOWN
WASHINGTON.

Instructions: EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.

Flash flooding is nothing to sneeze at. For example, see this video from the recent Tropical Storm Lee deluge.

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