HAZARDOUS WEATHER OUTLOOK
Issue Date: 642 AM MST WED DEC 23 2009
Expiration: 645 AM MST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL...EAST
CENTRAL...SOUTH CENTRAL AND SOUTHEAST COLORADO.
.DAY ONE...TODAY AND TONIGHT
A WINTER STORM SYSTEM WILL CONTINUE TO MOVE ACROSS NEW MEXICO INTO
THE SOUTHERN AND CENTRAL PLAINS AS ANOTHER SYSTEM DROPS SOUTHWARD
OUT OF CANADA INTO THE NORTHERN U.S. ROCKIES LATER TONIGHT. LIGHT
TO MODERATE SNOW IS EXPECTED TO CONTINUE OFF AND ON ACROSS MUCH OF
SOUTH CENTRAL AND SOUTHEAST COLORADO THROUGH TONIGHT. OF GREATER
CONCERN WILL BE THE INCREASED LIKELIHOOD FOR STRONG NORTH WINDS
GUSTING UP TO 45 MPH ACROSS THE EASTERN PLAINS OF COLORADO BEGINNING
LATE THIS AFTERNOON AND CONTINUING THROUGH THURSDAY. COMBINED WITH THE
FRESH SNOWFALL...AREAS OF BLOWING AND DRIFTING SNOW ARE
EXPECTED...ESPECIALLY ACROSS KIOWA COUNTY WHERE THE HEAVIEST
SNOWFALL WILL OCCUR. ROAD CLOSURES WILL BE POSSIBLE ACROSS PORTIONS OF
KIOWA COUNTY AND POINTS EASTWARD AS THIS STORM SYSTEM INTENSIFIES
ACROSS THE CENTRAL PLAINS.
BY LATE TONIGHT...SNOWFALL TOTALS WILL RANGE FROM AROUND A FOOT OR A
LITTLE MORE ACROSS THE EASTERN SAN JUAN MOUNTAINS...WITH GENERALLY 4
TO 8 INCHES WITH LOCALLY UP TO 10 INCHES ACROSS THE REMAINDER OF THE
MOUNTAIN AREAS. THE SOUTHEAST PLAINS WILL SEE FROM 3 TO 6
INCHES...EXCEPT IN NORTHEAST KIOWA COUNTY WHERE 6 TO 9 INCHES OF
SNOWFALL WILL OCCUR.
VERY COLD TEMPERATURES ARE EXPECTED TO SPREAD IN LATER TONIGHT AS
THE NEXT SYSTEM DROPS IN FROM THE NORTH. TEMPERATURES WILL DROP
INTO THE SINGLE DIGITS ABOVE AND BLOW ZERO ACROSS MUCH OF THE AREA.
WHEN COMBINED WITH THE GUSTY NORTH WINDS...WIND CHILLS WILL RANGE
FROM AROUND 0 TO 15 BELOW ZERO AT TIMES.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
SNOW...BLOWING SNOW...GUSTY WINDS AND COLDER TEMPERATURES ARE
EXPECTED TO CONTINUE OVER MOST OF SOUTHERN COLORADO INTO
THURSDAY...WITH COLD TEMPERATURES REMAINING LOCKED IN PLACE UNTIL
THE WEEKEND.
ON THURSDAY...BETWEEN A TRACE AND 2 INCHES OF SNOW IS ANTICIPATED
ACROSS THE REGION. IN ADDITION...GUSTY NORTH WINDS OF 15 TO 40
MPH AT TIMES ARE PROJECTED TO OCCUR OVER EASTERN SECTIONS FROM
THURSDAY INTO THE WEEKEND. THESE GUSTY WINDS WILL CAUSE AREAS OF
BLOWING AND DRIFTING SNOW AT TIMES ON THURSDAY. THE BLOWING SNOW
ON THURSDAY WILL BE CAPABLE OF PRODUCING HAZARDOUS TRAVEL
CONDITIONS...ESPECIALLY OVER PORTIONS OF THE EASTERN PLAINS.
IN ADDITION...WIND CHILL READINGS NEARING WIND CHILL ADVISORY
LEVELS WILL BE POSSIBLE FROM THURSDAY NIGHT INTO CHRISTMAS MORNING
AND THEN AGAIN FROM FRIDAY NIGHT INTO SATURDAY MORNING.
FINALLY...TEMPERATURES RUNNING WELL BELOW LATE DECEMBER SEASONAL
AVERAGES SHOULD BE NOTED FROM THURSDAY INTO THE WEEKEND.
.SPOTTER INFORMATION STATEMENT...
WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE
LIKELY ACROSS THE MOUNTAINS AND PLAINS THROUGH TONIGHT.
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