HAZARDOUS WEATHER OUTLOOK
Issue Date: 554 AM MST SUN DEC 20 2009
Expiration: 1100 AM MST SUN DEC 20 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.
.DAY ONE...TODAY AND TONIGHT
AN UPPER LEVEL RIDGE OVER THE GREAT BASIN WILL MOVE SLIGHTLY EAST
AND FLATTEN THROUGH TONIGHT. TEMPERATURES WILL BE SLIGHTLY WARMER
THAN SATURDAY...WITH ONLY HIGH CLOUDS MOVING OVER THE STATE. THE
NORTHERN COLORADO MOUNTAINS COULD SEE A FEW FLURRIES EARLY TODAY
WITH NO ACCUMULATION EXPECTED. WINDS OVER THE HIGH COUNTRY AND
FOOTHILLS WILL INCREASE THIS EVENING AS A SURFACE TROUGH DEEPENS
OVER THE PLAINS.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
SNOW IS EXPECTED TO DEVELOP IN THE MOUNTAINS BY TUESDAY AFTERNOON...
AND THEN ACROSS THE PLAINS BY TUESDAY NIGHT AND WEDNESDAY. THE SNOW
IS EXPECTED TO CONTINUE INTO WEDNESDAY NIGHT AND POSSIBLY AS LONG AS
THURSDAY. HOWEVER...BY CHRISTMAS DAY...DRY CONDITIONS SHOULD
PREVAIL. TEMPERATURES WILL BE TURNING MUCH COLDER FOR WEDNESDAY
THROUGH CHRISTMAS DAY WITH HIGHS STRUGGLING TO REACH 20 DEGREES.
A STORM SYSTEM DROPPING INTO THE WESTERN UNITED STATES AND THEN
MOVING EASTWARD INTO THE CENTRAL PLAINS STATES WILL BE RESPONSIBLE
FOR THE SNOW AND MUCH COLDER TEMPERATURES. THERE IS POTENTIAL FOR
SEVERAL INCHES OF SNOW ACCUMULATION ESPECIALLY IF THE STORM SLOWS
DOWN AND INTENSIFIES BEFORE PUSHING EASTWARD. AT THIS TIME...THE
GREATEST RISK OF HEAVIER SNOWFALL IS ON THE EASTERN PLAINS OF
COLORADO.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
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