Winter storm warning

NOAA WINTER STORM WARNING FOR NORTHERN VIRGINIA
A WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO10 PM EST SATURDAY.
* PRECIPITATION TYPE...HEAVY SNOW.
* ACCUMULATIONS...STORM TOTAL ACCUMULATIONS OF 18 TO 24 INCHES.
* TIMING...SNOW WILL BEGIN MID-MORNING FRIDAY...AND WILL CONTINUE THROUGH SATURDAY EVENING. CONDITIONS WILL DETERIORATE RAPIDLY FRIDAY AFTERNOON...WITH HEAVIEST SNOWFALL OCCURRING BETWEEN SUNSET FRIDAY TO SUNRISE SATURDAY. THE MOST HAZARDOUS WINTER WEATHER CONDITIONS WILL OCCUR FRIDAY NIGHT.
* VISIBILITIES...THE COMBINATION OF HEAVY SNOW AND STRONG WINDS WILL REDUCE VISIBILITIES TO BELOW ONE-QUARTER MILE...PRODUCING NEAR-BLIZZARD CONDITIONS AT TIMES FRIDAY NIGHT AND EARLY SATURDAY MORNING.