Severe storms are set to hit the Philadelphia region on Thursday, bringing flooding, heavy winds and a possible tornado. The storms will arrive Thursday afternoon with a potent cold front, putting an end to the region’s heat wave. With sunshine and highs near 90 degrees, there will be plenty of fuel in the atmosphere to trigger storms. Timeline for Thursday’s storms 3 p.m. – Storms begin in the Lehigh Valley. 3 p.m. through 5 p.m. – Storms push towards Philadelphia and the...