Dec. 8, 2009 NWS forecast map.
Enlarge National Weather Service

A major winter storm is sweeping across the U.S.

Dec. 8, 2009 NWS forecast map.
National Weather Service

A major winter storm is sweeping across the U.S.

A major winter storm is sweeping across the nation, with bone-chilling temperatures, strong winds from heavy snows from northern Arizona and Colorado, east and north to the Great Lakes region and the Northeast beyond. Middle Atlantic and southern states can expect rain, sometimes heavy, from the system.

The National Weather Service has this storm summary for the nation:

...WIDESPREAD HEAVY SNOWFALL FROM THE CENTRAL PLAINS TO THE UPPERGREAT LAKES...

BLIZZARD WARNINGS ARE IN EFFECT FOR PORTIONS OF THE CENTRAL
ROCKIES...EASTERN NEBRASKA...AND ACROSS IOWA AND SOUTHERN
MINNESOTA.

WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES ARE CURRENTLY IN EFFECT FROM THE CENTRAL ROCKIES...EASTWARD ACROSS THE CENTRALPLAINS...AND NORTHEASTWARD INTO THE MIDDLE MISSISSIPPI VALLEY AND
UPPER GREAT LAKES REGIONS. WINTER STORM WATCHES...WARNINGS...AND
WINTER WEATHER ADVISORIES ARE ALSO IN EFFECT ALONG THE CENTRAL
APPALACHIANS AND INTO NEW ENGLAND.

HIGH WIND WATCHES...WARNINGS...AND WIND ADVISORIES ARE IN EFFECTFOR PORTIONS THE SOUTHERN HIGH PLAINS...OHIO VALLEY...AND LOWER
GREAT LAKES REGIONS.

FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

 

AT 200 PM CST...A 989 MB LOW PRESSURE CENTER WAS LOCATED OVER THE OKLAHOMA PANHANDLE. NATIONAL WEATHER SERVICE DOPPLER RADARS AND
SURFACE OBSERVATIONS INDICATED WIDESPREAD PRECIPITATION ACROSS THE
CENTRAL AND EASTERN U.S.. MODERATE TO HEAVY SNOW WAS FALLING FROM
CENTRAL COLORADO TO THE UPPER GREAT LAKES. A NARROW BAND OF MIXED
PRECIPITATION WAS OBSERVED ALONG A STATIONARY BOUNDARY DRAPED
ACROSS THE CENTRAL PLAINS AND MIDDLE MISSISSIPPI VALLEY. SCATTERED
SHOWERS WITH EMBEDDED THUNDERSTORMS WERE MOVING ACROSS THE LOWER
MISSISSIPPI VALLEY...TENNESSEE VALLEY...AND SOUTHEAST.