A Winter Storm Watch is in effect for Tuesday afternoon through Wednesday night, where there is the potential for 5" or more of snowfall during this timeframe in the highlighted counties. This would be on top of deep snowcover already in the region. Check out the visible satellite image:
See the line in southeast Pennsylvania into northern Maryland? That's the Susquehanna River.
South of the Watch area, snowfall accumulation is also possible, with up to an inch as far south as the Richmond metro and Farmville. What appears to be of a greater concern, though, is the potential for freezing rain Tuesday evening as surface temperatures dip below freezing while precipitation falls in liquid form. Colder air will move into the state aloft pre-dawn Wednesday, allowing precipitation to change over to snow. Snow showers will be possible through Wednesday morning in Central Virginia as the storm exits to the east.
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