Another round of showers and thunderstorms is slowly moving across the Mid-Atlantic Tuesday evening, after intense rain set off dangerous flash flooding from Virginia to New York on Monday, leaving at least two dead and prompting dozens of rescues as water overwhelmed roads and subways.

Flash flood warnings were issued by the National Weather service Monday night as heavy storms rolled into the area. Flood warnings were issued for Morris, Warren, Bergen, Essex, Hunterdon, Hudson, Passaic, Middlesex, Somerset and Union Counties, according to the National Weather Service.

Parts of New York City and Northern New Jersey were inundated on Monday night as widespread thunderstorms moved through.

A powerful round of thunderstorms is expected to hit New Jersey and eastern Pennsylvania beginning Monday afternoon, July 14, with the National Weather Service warning of flash flooding, possible power outages,

Forecasters say some thunderstorm cells have the potential to dump as much as 2 to 3 inches of rain in one hour, posing a risk of rapid flooding.