Weather

Slow-moving storms are expected to create dangerous flash flooding over parts of the Philadelphia region Wednesday afternoon into the evening.

The state's utilities were reporting 6,659 homes and businesses remained without power, down from more than 1 million.

When the river floods, the water deposits debris plus a lot of mud — and often, sewage — on its banks. Volunteers helped clear the post-Isaias mess.

A Tornado Warning has been issued for parts of Delaware and Chester counties through 6:15 p.m. New Castle County, Delaware is also in the warning. TAKE SHELTER.

A new field of climate science known as attribution science examines how a warming atmosphere plays a part in individual weather events.

An already extremely active Atlantic hurricane season has the potential to rival the busiest ever, forecasters say.

Three connected barges that drifted free of their Schuylkill River moorings Tuesday night and crashed into the Vine Street Expressway bridge have been removed.

Utilities reported service remained out to 563,095 customers, down from more than 1.3 million when Isaias hit Tuesday.

The worst of the flooding brought by Tropical Storm Isaias may be over. But it serves as a harbinger of what could come next time.

Delia King is among the 100 Delco residents displaced by Tropical Storm Isaias. “One day you’re fine,” she said. “The next day — boom — it’s gone.”

Flooding got bad enough in some neighborhoods that residents had to evacuate.

Philadelphia officials said Wednesday afternoon that the recovery from Tropical Storm Isaias would take time, with some neighborhoods hit harder than others.

Eliza Talal, 5, was last seen at noon on Tuesday at her home on Spring Valley Road in Lansdale, Pennsylvania, when she went missing.

The National Weather Service warned that damaging winds and flash flooding are the highest risks to the region.