So both the NAM and GFS had 0.01 inches water falling as snow flurries.
The band of snow now moving through PHL seems a bit more organized than had been predicted, dropping a heavy coating– slightly more than had been predicted.
The snow moves out in an hour or so and the drop in temperatures will be underway.
The models are trending a bit north with the Sunday night storm, suggesting a change to sleet during some of the heavier precipitation early Monday morning, limiting snow totals in PHL.
Most models suggest a wrap-around changeback to snow before everything ends late Monday. Impossible to predict final totals with this one, since degree of intensification and fine thermal structure will be indeterminable in advance. That said, expect a storm impact and don’t expect a fizzler.
We are flying back from an island vacation early Sunday evening, so I’m counting on the models having the storm not really starting much before 7pm.