Thunderstorm Wind Gusts to 70 MPH, Isolated Tornadoes, and Hail to 0.50” in diameter are possible in the watch area.
A tornado watch means conditions are favorable for the development of tornadoes, damaging winds, and or large hail.
Strong pressure falls are becoming clearly visible over Eastern Pennsylvania and Western New Jersey. I wouldn’t be surprised to see this shift northeastward throughout the evening. Without sunshine today, instability is modest at best. However, the jet setting up over the region and heavy thunderstorms will move in from the west and drag the strong winds to the surface with an increased risk for damaging wind gusts. In addition, vertical shear is quite impressive and the strongest thunderstorms may cause some spin-ups which may result in isolated tornado development in our region. Numerous severe thunderstorm warnings and tornado warnings have occurred to our south and west.
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