Should we plan to standby for H&W traffic?  73, Carl

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
530 PM EST FRI DEC 18 2009

DCZ001-MDZ004>007-009>011-013-014-018-VAZ042-053-054-190630-
/O.CON.KLWX.WS.W.0008.091219T0500Z-091220T1100Z/
DISTRICT OF COLUMBIA-FREDERICK MD-CARROLL-NORTHERN BALTIMORE-
HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-CALVERT-LOUDOUN-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
INCLUDING THE CITIES OF...WASHINGTON...FREDERICK...WESTMINSTER...
GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...LEESBURG...
FAIRFAX...ALEXANDRIA...FALLS CHURCH
530 PM EST FRI DEC 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 6 AM EST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
6 AM EST SUNDAY.

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...HEAVY SNOW WITH ACCUMULATIONS OF 1 TO 2 FEET THROUGH
   SATURDAY NIGHT.

* TIMING...SNOW WILL BEGIN BETWEEN 9 PM AND 12 AM TONIGHT AND WILL
   CONTINUE THROUGH EARLY SUNDAY MORNING. SNOW WILL BE HEAVIEST
   BETWEEN 8 AM AND 6 PM SATURDAY.

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

* WINDS...10 TO 20 MPH THROUGH THE EVENT...WITH GUSTS OF 25 TO
   30 MPH SATURDAY AND SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. CONDITIONS
WILL DETERIORATE VERY RAPIDLY SATURDAY MORNING AND WILL MAKE
TRAVEL EXTREMELY TREACHEROUS.