...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST FRIDAY... * WHAT...Snow, with total accumulations of a coating to 1 inch. * WHERE...Portions of central and northern Maryland and northern Virginia. * WHEN...From 4 AM to 4 PM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday morning commute. * ADDITIONAL DETAILS...Given temperatures will be in the 20s, snow is expected to accumulate on all untreated surfaces. A light snow will overspread the advisory area, with slightly higher amounts possible in any banding features. As snow winds down, a light freezing drizzle is possible into Friday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. &&