Philadelphia faces heavy rainfall, possible thunderstorms, and high winds, with a Coastal Flood Advisory in effect.

On Thursday at 7:47 p.m. the National Weather Service released an updated coastal flood advisory in effect until Friday at midnight for Lower Bucks as well as Delaware and Philadelphia counties.

Ponding and localized urban flooding is a possibility. In addition to the heavy rain, a rumble or two of thunder is possible as the Storm Prediction Center has parts of our region, mainly south of Philadelphia, under the marginal risk category, which is a level 1 risk — isolated strong to severe storms possible.

A massive water main break in North Philadelphia left behind a crater in the road and flooded out cars and basements as millions of gallons of water rushed down 9th Street. A massive water main break in North Philadelphia left behind a crater in the road while flooding out cars and basements as millions of gallons of water rushed down the street.

Gusty winds from the east and northeast — thus the term “nor’easter” — are due to pick up dramatically on Sunday as the storm travels north along the coast. The Shore could experience steady onshore 30- to 40-mph winds with gusts 50 to 60 mph Sunday afternoon until late Sunday night.

A nor'easter moving up the East Coast could cause serious flooding and produce damaging winds at the Jersey Shore while making for a wet holiday weekend throughout the rest of the region. Ahead of the storm, New Jersey declared a state of emergency that ...