Gaithersburg, MD Severe Weather Alertstar_ratehome

...FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Washington DC, and portions of Maryland, including the
following areas, Anne Arundel, Calvert, Carroll, Cecil, Central
and Southeast Howard, Central and Southeast Montgomery, Charles,
Frederick, Northern Baltimore, Northwest Harford, Northwest
Howard, Northwest Montgomery, Prince Georges, Southeast Harford,
Southern Baltimore, St. Marys and Washington, Virginia, including
the following areas, Albemarle, Arlington/Falls Church/Alexandria,
Central and Southeast Prince William/Manassas/Manassas Park,
Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick, Greene,
King George, Madison, Northern Fauquier, Northern Virginia Blue
Ridge, Northwest Prince William, Orange, Page, Rappahannock,
Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and
Western Loudoun, and panhandle West Virginia, including the
following areas, Berkeley, Jefferson and Morgan.

* WHEN...Until midnight EDT tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Multiple rounds of heavy rainfall are possible through this
evening, some of which may occur over areas which recently
experienced flooding rains. Slow storm motions and repeat
thunderstorm activity will occur within a tropical air mass.
Hourly rainfall rates could push into the 2 to 3 inch range
in the strongest storms, with an inch in 20 minutes possible.
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

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