Floods from heavy rain Thursday forced road and rail closures, some due to last into Friday, in Lower Merion and the surrounding area. A National Weather Service Flood Warning was in place for up to 12:30 a.m. Friday.
An NWS spotter in Wynnewood measured more than 9 inches of rain by Thursday morning's rush hour, the most recent available total in Lower Merion.
As of 7 p.m. Thursday, area roads that were closed included:
- Flooded and debris-filled River Road in Penn Valley and Gladwyne is expected to remained closed through Friday, according to Lower Merion officials.
- Bryn Mawr Avenue in Penn Valley between Woodbine and Old Gulph, where a tree was leaning on a wire
- Mill Creek Road from Conshohocken State Road to Old Gulph Road
At 11 a.m., the Schuylkill River in Philadelphia reached 12.5 feet of depth, a foot and a half above flood stage, according to the National Weather Service. In Norristown, the river exceeded flood stage by two feet at 2:30 p.m. Thursday and was expected to crest at two and a half feet over flood stage Friday morning.
The NWS forecast calls for a 50 percent chance of rain overnight and 40 percent on Friday.
Several SEPTA Regional Rail lines, including Manayunk-Norristown, are due to resume service Friday morning. The Paoli-Thorndale and Cynwyd lines that make stops in Narberth-Bala Cynwyd Patch were both online for Thursday afternoon rush hour.