Flash Flooding, Storm Risk From Boston to Birmingham Friday

By Brian Lada, Meteorologist
June 28, 2013; 9:06 PM ET
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Play video A look at the breaking weather stories across the nation.

There is an elevated threat of torrential downpours with flash and urban flooding into Friday night from the South to the mid-Atlantic and New England. Locally gusty, damaging thunderstorms will also threaten a few communities within the same area.

Because of the high humidity, any of the storms from Maine to Georgia and Mississippi have the potential to produce localized flooding.

Incidents of flash flooding were observed Thursday as storms rolled through the East, dropping several inches of rain in just a few hours.

The worst of the flooding occurred along the I-80 corridor across Pennsylvania and in part of upstate New York, forcing the closure of streets and highways as well as evacuations and water rescues.

Some areas could be hit again into Friday night. However, the risk of flash flooding also extends to the major cities on the East Coast and in parts of the South, not only into the start of the weekend, but also potentially right through next week.

Keep in mind while driving that a few inches of flowing water over roadways can move your car. If you come upon a flooded roadway, it is recommended that you avoid trying to drive through it.

Trees blown over by strong winds can divert water and make travel more difficult.

There is a risk of damaging winds and the possibility of a couple of brief tornadoes being produced by the strong storms. In this situation, a quick, spin-up tornado can be wrapped with rain and difficult to see.

There are two main areas with the potential for damaging wind gusts and an isolated tornado into Friday night.

The first area stretches along the I-95 corridor from Massachusetts to North Carolina. This area encompasses the cities of Boston, New York, Baltimore, Washington, Richmond, Va., and Raleigh, N.C. A handful of storms will bring large hail.

Severe thunderstorms will also occur in part of the South. Thunderstorms will cluster from Mississippi to Georgia.

In between, there will still be spotty strong to severe thunderstorms, just not as concentrated as that of parts of the Northeast and farther south and west.

Damaging wind gusts accompanied some of the storms Thursday with several reports of funnel clouds. One EF1 tornado was confirmed over a farm near State College, Pa., which produced minor damage.

East US Poised for Flooding into July
Reports on the East Flash Flooding
AccuWeather.com Severe Weather Center

The number of thunderstorms with damaging wind will diminish across the East this weekend. Unfortunately, pockets of torrential downpours will lead to additional flooding in areas already hit hard and can bring flooding to locations that have not yet experienced it with this weather pattern.

Story by AccuWeather.com Meteorologist Brian Lada.


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