From 6 pm EST, Fri., Dec. 18, 2009 Until 6 am EST, Sun., Dec. 20, 2009
 

Issued by The National Weather Service
Baltimore/Washington, MD
4:05 am EST, Fri., Dec. 18, 2009

... WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST SUNDAY...

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A WINTER STORM WARNING FOR SNOW... WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* PRECIP TYPE... SNOW.

* ACCUMULATIONS... HEAVY SNOW WITH ACCUMULATIONS OF 6 TO 12 INCHES THROUGH SATURDAY. LOCALLY HIGHER AMOUNTS POSSIBLE. ADDITIONAL ACCUMULATIONS EXPECTED SATURDAY NIGHT.

* TIMING... SNOW WILL BEGIN FRIDAY EVENING AND WILL CONTINUE THROUGH LATE SATURDAY NIGHT.

* TEMPERATURES... BELOW FREEZING THROUGH THE EVENT. UPPER 20S TO LOWER 30S IN THE VALLEYS/FOOTHILLS... LOWER TO MID 20S IN THE MOUNTAINS.

* WINDS... 10 TO 15 MPH THROUGH THE EVENT. GUSTY WINDS UP TO 25 MPH ON SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET... AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.