Severe thunderstorm, flash flood warnings issued for multiple Western Pa. counties

Erika Turner
June 20, 2017

The National Weather Service has issued a thunderstorm warning that will be in effect until 1:45 p.m. today.

Isolated storms may produce an inch of hail and there's a possibility for isolated, weak tornados, according to the National Weather Service.

The biggest weather concern from these thunderstorms will be torrential downpours, leading to potential flash flooding.

Chances of showers or thunderstorms are small until after 6 p.m. Lessor said a line of showers and thunderstorms will likely pass through the region between 7 p.m. and 9 p.m.

Thunderstorms moving eastward through the area began producing heavy rain at about 5 p.m. over State College and Bellefonte, and NWS said doppler radar indicated that the storms were almost stationary.

Additional severe thunderstorm watches and warnings are likely to be issued later Monday as the storms draw closer.

After a weekend of good weather, local residents are being told to prepare for heavy rainfall and possible flash-flooding Monday.

It's then going to move east toward New York City and into CT between 6 and 8 p.m.

Skies will gradually clear toward the morning, but the chance of a scattered shower or thunderstorm will linger late into the day on Tuesday.

The watch area includes Prince William, Fairfax and Arlington counties, as well as communities in and around Fairfax, Falls Church, Manassas, Alexandria, Leesburg, Ashburn and Sterling. High: mid-upper 80s.

The storm should be in New Milford and Kent around 4:05 p.m., New Preston around 4:20 p.m., Cornwall Bridge around 4:25 p.m., and Litchfield around 4:30 p.m., the service said.

The seacoast will be the last to see the storms. The stronger storms will be capable of producing damaging wind gusts and hail. If you are in the watch area you should monitor weather conditions closely and remember if you come across a flooded out road or walkway never try to cross it with your vehicle or by foot. Monday's high temperature is expected to approach 77 degrees, followed by a low of around 65 degrees Monday night.

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