Image: Doug Swinton looks at damage to his home
Patrick Semansky  /  AP
Doug Swinton surveys his property after a tree fell through his home's roof in Gamber, Md., on Friday. Authorities say strong winds brought down trees and branches across southern and eastern Carroll County.
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msnbc.com
updated 6/1/2012 11:46:19 PM ET 2012-06-02T03:46:19

Flood warnings for Washington D.C. and parts of Maryland and Pennsylvania were issued by the National Weather Service early Saturday.

In a notice posted on its website, the NWS said the flood warning would remain in effect until 5:30 a.m. ET for urban areas and small streams in D.C., Fairfax, central Prince Georges, Alexandria, Arlington, Falls Church and southeastern Montgomery.

“Numerous roadways remain closed throughout the Washington D.C. metropolitan area due to runoff from heavy rainfall yesterday. Gages indicate area streams have crested recently … and flood waters will recede through the early morning,” the notice at 2:05 a.m. ET said.

The NWS also issued a flood warning for small streams in Frederick County in Maryland untl 7:15 a.m. ET.

It said that at 3:11 a.m. ET numerous roads were closed due to runoff from heavy rain.

A third flood warning was also issued for Montgomery County in Pennsylvania until 8:45 a.m. ET.

“A flood warning means that flooding is imminent or has been reported. Do not drive through flood waters, the water may be deeper than you think it is,” the NWS said.

“If flooding is observed, act quickly. Move up to higher ground to escape flood waters. Do not stay in areas subject to flooding when water begins rising,” it added.

Earlier, tornado and flash flood alerts were issued from the Washington, D.C., and Baltimore areas to as far south as Florida.

In Washington, D.C., some 11,000 utility customers had lost power, as had 5,000 in neighboring Prince George's County, Md.

Airports in Washington and Baltimore saw major disruptions starting late Friday afternoon.

The Orange Line commuter train was suspended when a tree fell on the tracks during rush hour, NBC Washington reported.

In North Carolina, witnesses said they saw a tornado touch down a few miles outside Elizabeth City Friday. No damage was reported.

Another tornado was reported in Westmoreland County, Pa., but details were not immediately available.

The Storm Prediction Center listed several dozen reports of severe wind and hail, some of which downed trees or caused light property damage.

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Video: Washington DC's 60 Second Forecast

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