Authorities in Dover, Delaware, reported significant damage throughout the city Thursday evening following a suspected tornado touchdown. The Dover Police Department stated a state of emergency was in effect and urged residents to avoid unnecessary travel.
The National Weather Service had previously issued a tornado warning for the Dover area, indicating a large and dangerous tornado was on the ground. This event occurred amidst a broader pattern of severe weather impacting the Interstate 95 corridor during the Thursday evening rush hour, bringing thunderstorms and dangerous flash flooding.
Pennsylvania Governor Josh Shapiro confirmed that state emergency management officials were monitoring reports of tornadoes and substantial damage in York and Lancaster counties. The severe weather led to a surge in flight cancellations, with over 700 flights grounded at Northeast airports by approximately 6:30 p.m.
New York City and Philadelphia experienced significant risks of flash flooding. The National Weather Service projected rainfall rates of 2 to 3 inches per hour, with the potential for 3 to 7 inches of rain accumulating rapidly. This intense rainfall led to inundated roadways and delays in subway systems in New York City. A flood watch was issued for areas from Philadelphia to New York City, remaining in effect until 2 a.m. Friday. The potential for flash flooding extended from Virginia up to Connecticut.