Winter Storm Threat: Dec 21-23 (final call)

No major changes to the forecast, though I did decide to go a bit more aggressive with the totals in some areas. The most notable changes were in northern PA and southwestern NY, with an 8-12 inch contour added as lake-effect off of Lake Erie helps drive up totals. The back edge of the main area of precipitation is expected to change over to snow, but how much of that actually accumulates ahead of the later snow is uncertain.

Localized totals of >12 inches are possible within the 8-12 inch contours.


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