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Posted at 09:19 AM ET, 12/19/2009

Alert: Blizzard Warning for immediate metro area

*** Latest forecast, storm information, and commentary ***

From the National Weather Service (warning map):

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A BLIZZARD WARNING ... WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. THE WINTER STORM WARNING IS NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST SUNDAY.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...HEAVY SNOW WITH ACCUMULATIONS OF 12 TO 22 INCHES THROUGH TONIGHT.

* TIMING...SNOW WILL CONTINUE THROUGH EARLY SUNDAY MORNING. SNOW WILL BE HEAVIEST BETWEEN 8 AM AND 6 PM TODAY.

* TEMPERATURES...UPPER 20S TO LOWER 30S THROUGH THE EVENT... LOW TO MID 30S IN COASTAL SOUTHERN MARYLAND.

* WINDS...15 TO 25 MPH...WITH GUSTS UP TO 40 MPH DURING THE DAY TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS ... MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL ... HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED ... STAY WITH YOUR VEHICLE.

By  |  09:19 AM ET, 12/19/2009

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