McLean, VA Severe Weather Alertstar_ratehome

...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

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

* WHERE...The District of Columbia, portions of Maryland, including
the following areas, Anne Arundel, Calvert, Carroll, Cecil,
Central and Southeast Howard, Central and Southeast Montgomery,
Charles, Frederick MD, Northern Baltimore, Northwest Harford,
Northwest Howard, Northwest Montgomery, Prince Georges, Southeast
Harford, Southern Baltimore and St. Marys, and northern Virginia,
including the following areas, Arlington/Falls Church/Alexandria,
Central and Southeast Prince William/Manassas/Manassas Park,
Eastern Loudoun, Fairfax, Northern Fauquier, Northwest Prince
William, Southern Fauquier and Western Loudoun.

* WHEN...From 2 PM EDT this afternoon through late 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. Extensive
street flooding and flooding of creeks and rivers are possible.

* ADDITIONAL DETAILS...
- Significant flash flooding is possible. Numerous showers and
thunderstorms will develop and move across the area this
afternoon into this evening. Thunderstorms will be capable of
producing very heavy rain, with rainfall rates of 1 to 2
inches in 30 minutes. Widespread rainfall amounts of 1 to 2
inches are expected. Some areas could experience multiple
rounds of thunderstorms, with higher rainfall amounts of 4 to
6 inches possible. This could result in numerous instances of
flash flooding. Showers and thunderstorms will begin early
this afternoon, and the heaviest rainfall is most likely from
3 PM to 8 PM.
- 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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