MOUNT HOLLY, N.J. — A widespread threat of flash flooding is expected across New Jersey on Thursday, with the National Weather Service placing much of the region under a Moderate Risk for excessive rainfall.
According to the Weather Prediction Center, areas including Philadelphia, Wilmington, Baltimore, and parts of central New Jersey could experience intense downpours capable of producing over 2 inches of rain per hour. Rainfall totals between 2 and 4 inches are forecast, with some localized spots potentially seeing more than 6 inches.
The flash flood risk, categorized as level 3 out of 4, is centered over a wide swath from eastern Virginia through southeastern Pennsylvania and into parts of New Jersey. Urbanized areas, small streams, and creeks are particularly vulnerable.
“Numerous instances of flash flooding of urbanized areas, small streams, and creeks may result,” the alert states.
Storm activity is expected to ramp up Thursday afternoon and continue into the night, bringing the potential for hazardous travel and flooded roadways.
The greatest flash flood threat is expected within the Moderate Risk area, which includes major population centers and transit corridors.