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As the storm prepares to exit the United States on Sunday, severe thunderstorms will extend along a cold front that will stretch from Ohio and Pennsylvania to northern and central Florida.
The threat of severe thunderstorms will shift east into Thursday evening to target portions of the Midwest and Ohio Valley, one day after racing through the southern Plains and Mississippi Valley.
Thunderstorms could pack a punch and unleash downpours and severe weather in a large part of the mid-Atlantic through Friday evening, AccuWeather meteorologists warn. Severe thunderstorms are ...
PDS severe thunderstorm watches are issued when there is a higher than normal risk of severe thunderstorm winds capable of major structural damage (in addition to large hail and perhaps a few isolated tornadoes), usually due to a strong and persistent derecho. These watches are very rare (accounting an average of only two each year), as the ...
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
The severe weather threat extends from the central Plains eastward through the Ohio Valley and into the mid-Atlantic where multiple complexes of thunderstorms are already ongoing.
By 10:34 a.m. EDT, the squall line was moving into southeastern Pennsylvania, where the warm, humid temperatures would further destabilize the system. [5] While there were few damaging wind gusts of 60 mph (97 km/h) or more while the storm moved across western and central Pennsylvania in the morning, the storm intensified by noon.
Severe thunderstorms and torrential downpours through Saturday night could even produce multiple tornadoes, said AccuWeather severe weather expert Guy Pearson. A tornado watch was in effect ...