from yesterday …
The forecast is on track with rain on Sunday, starting between 6 AM and 8 AM.
Most models have the rain becoming more episodic in the afternoon, with lines of showers moving through with breaks in the rain . Heaviest rain is now expected west of the Philadelphia area. QPF about 0.6 inches for Blue Bell. It will become WINDY. High near 68º
A final line of showers and thunderstorms appears to be timed between 5-7 PM in the immediate PHL area with the cold front passage. Available thermodynamic energy (“CAPE”) values may exceed 1300 joules/kg which could cause some strong storms from Philadephia and eastward.
Temperatures will drop Sunday night.