The night time run of the NAM is less impressive with the thunderstorm dynamics for today.  The threat of severe weather seems not likely.

Both the NAM and GFS show a line of thunderstorms developing west o f Philadelphia about 2 PM and moving through our area between 2-5 PM.  Areas of NJ and east are most likely to get the heaviest precipitation.

1pm  on-the-road update:  models still show some showers but the dynamics are looking weak.

6pm Update : thunderstorms have popped up west of Philadelphia and moving east; a bit later than had been forecast.