What to Know
A TORNADO WARNING was in effect for Bucks County in Pennsylvania and Mercer County in New Jersey but expired before 12:30 a.m.
A TORNADO WARNING was also issued for Philadelphia, Chester, Delaware and Montgomery counties but expired before midnight.
The warnings were issued after severe storms moved through the region Thursday night, causing outages and damage.
Editor's Note (9:47 a.m. on Nov. 1, 2019): This story is no longer being updated. Click here to learn the latest about storm damage.
Tornado warnings swept through Philadelphia and the surrounding suburbs late Thursday night into early Friday morning.
A Tornado Warning was in effect for Philadelphia, Chester, Delaware and Montgomery counties but expired for those areas shortly before midnight.
Another Tornado Warning was in effect for Bucks County in Pennsylvania and Mercer County in New Jersey but expired shortly before 12:30 a.m.
The warnings were issued after severe storms moved through the region Thursday night.
The storms caused extensive damage, with reports of trees down and damaged homes throughout the entire region.
Tens of thousands of homes are without power, with PECO reporting more than 43,900 in Bucks County, more than 42,700 in Montgomery County, more than 20,500 in Chester County and more than 19,800 in Delaware County.
A First Alert remains in effect for the entire region.
Timing of the Severe Threat
Storms arrived from the northwest, sweeping into Berks County, the Lehigh Valley and western suburbs around 10 p.m. Storm damage was reported in Berks, Chester and Lehigh counties shortly after.
The storms then moved into Philadelphia, the surrounding Pennsylvania suburbs, South Jersey and Delaware late Thursday night.
Severe Storm Threat
With this particular autumn weather pattern, there was a possibility of supercell thunderstorms powerful enough to pack isolated tornadoes late Thursday night.
After pockets of steady rain Thursday morning, some scattered showers continued during the day.
Scattered showers continued into prime trick-or-treating time Thursday night.
With temps in the 70s in many neighborhoods, trick-or-treaters didn't need a warm coat over their costume though raincoats and ponchos were recommended.
Winds kicked up in the late afternoon and early evening and were quite gusty as leaves and loose fitting costumes blew around.
Once Storms Move Out, Cold Temps Remain for the Weekend
The gusty winds from the Halloween system will sweep the clouds and storms out of the area early Friday morning and bring in much chillier air.
The highs on Friday, Saturday and Sunday are expected to be in the 50s. Lows in the Lehigh Valley, Pennsylvania suburbs and interior South Jersey could drop to below freezing by Monday morning.