* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches.

* WHERE...Portions of central, northeast, and northern Maryland and central, northwest, and western Virginia.

* WHEN...From 7 AM to 7 PM EST Sunday.

* IMPACTS...Travel could be very difficult. The hazardous conditions will impact travel.

* ADDITIONAL DETAILS...Snow will overspread the area Sunday morning and continue through the afternoon before tapering off during the evening. Snowfall rates could approach 1 inch an hour at times. Temperatures will fall into the teens Sunday night so any lingering moisture on area roadways will freeze.