A low pressure system will develop in the South on Sunday, then will take the turn Northward and reach our area by Monday Afternoon. The exact track of this storm is a major uncertainty right now. However, all models agree that there will be at least an initial period of snow for just about everybody.
This Afternoon's GFS Run:
GFS has a 997 low pressure centered over the DELMARVA which is an ideal spot for an all snow event for Central PA. Verbatim, Harrisburg goes from Snow to Rain to Sleet and then back to Snow...This will be a mess of a storm.
The Canadian Model:
The Canadian is much further East and Weaker...right now this an outlier. I don't by the solution right now. However, it would be an all snow event for South Central PA. Again don't buy it.
Today's European Run is much more amped, it starts us out with a period of snow, then quickly goes to rain for pretty much the whole state. This is the furthest west solution right now..I don't buy this solution right now either. I think the GFS is a solid middle ground solution.
With that being said, here is my first call map. Amounts will be included Tomorrow.
Region A: This area will be far enough North&West to remain primarily all snow. Heavy snow accumulation possible.
Region B: This area includes most of us. There will be a period of snow, that will change to ice, and eventually rain. Moderate snowfall accumulation possible before the change-over. Light glaze of ice possible as well.
Period C: This area will start off as snow, quickly then change to rain. Light snowfall accumulation possible.
This will be a longggg weekend of tracking, please keep it here to my Facebook Page: Dauphin County Weather Facebook Page!
-Chris
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