Light Snow for Philly on Tuesday

A clipper-type system will move through Tuesday morning, bringing light snow to our area during the morning, ending early afternoon. The models often over-predict the amount of precipitation with theses systems (and very occasionally under-predict coastal development).

Both the GFS and NAM are predicting about 0.12 inches of water, falling as snow. With low temperatures, the ratio may be as high as 1:20, so 1-2 inches appears to be the case here. Again, clippers are notoriously underperforming from a snow point of view, so we will have to see if we really get that much.

Sunday

Rain continues for much of the morning today.  There may be a pause in the rain during the early or mid afternoon.  Rain redevelops as the actual cold front moves through about 6-7 PM.   The GFS LAMP forecast doesn’t have the high temperature above 59 in PHL.

There continues to be a chance of light snow on Tuesday, maybe 1-2 inches.

Weather… and Other Things 'Up in the Air'