PHILADELPHIA - The National Weather Service issued a flash flood watch for parts of the area ahead of a "long duration storm system" that will bring downpours and possible severe weather to parts of the region Monday night into Tuesday afternoon.Showers will impact most of the region around 8 p.m.
and get more intense throughout the night. The flash flood watch currently covers Montgomery County, Lehigh County, Lower Bucks County, Northampton County, Philadelphia County, Mercer County, Burlington County, and all of northern New Jersey until Tuesday at 5 p.m.Forecasters expect rainfall totals in these areas to reach around 2-3 inches by Tuesday afternoon.While rainfall totals vary, the weather service says the entire region has a chance at.