The severe weather poses risks of damaging winds exceeding 60 mph, hail, and isolated tornadoes, particularly in central Pennsylvania and New York. Flash flooding is a significant concern for areas already saturated from previous storms, including Philadelphia, which has experienced four flash flood warnings this year. The storms may also obscure the view of a partial lunar eclipse late Thursday night. Residents in affected areas should remain vigilant and prepared for rapidly changing conditions (Fox Weather, 26 Aug 2026).