Winter Weather Advisories were issued for Fairfax, Arlington, Prince William counties. I will not be surprised to see these expanded further north and west tonight. This storm is going to cripple central Virginia, the northern neck of Virginia, southern Maryland, the eastern shore of Maryland and coastal New Jersey.
The Global Forecast Model became the outlier overnight as the Euro has finally shifted in alignment with the North American Model (NAM). The Canadian Model (GEM) is also more in line with the NAM and European models.
My confidence in this forecast is low to medium across the immediate interstate 95 corridor due to a number of details that will emerge tomorrow: