Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 211317
HWOBOU

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
617 AM MST SUN DEC 21 2014

COZ030>051-221330-
JACKSON COUNTY BELOW 9000 FEET-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
617 AM MST SUN DEC 21 2014

...DANGEROUS WINTER STORM WITH HEAVY SNOW AND POWERFUL WINDS
MOVING INTO THE NORTH CENTRAL COLORADO MOUNTAINS THIS AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

HEAVY SNOW AND STRONG WINDS WILL DEVELOP OVER THE FRONT RANGE
MOUNTAINS AND AREAS FURTHER WEST THIS AFTERNOON. CONDITIONS WILL
DETERIORATE RAPIDLY AS THE SNOWFALL AND WINDS INCREASE. NEAR
BLIZZARD CONDITIONS WITH OVER A FOOT OF NEW SNOWFALL AND WIND
GUSTS IN THE 50 TO 75 MPH RANGE ARE POSSIBLE IN HIGHER AREAS
OVERNIGHT... AND CONDITIONS WILL ONLY IMPROVE GRADUALLY ON MONDAY.
PEOPLE PLANNING TRAVEL IN THE NORTH CENTRAL COLORADO MOUNTAINS
SHOULD CONSIDER CHANGING THEIR PLANS TO AVOID TRAVEL LATER TODAY
OR TONIGHT AS THIS STORM COULD HAVE SIGNIFICANT IMPACT ON TRAVEL.

IN AREAS EAST OF THE FRONT RANGE...STRONG WINDS ARE EXPECTED TO
DEVELOP WITH GUSTS OF 50 TO 60 MPH IN THE FOOTHILLS AND 30 TO 40
MPH ON THE PLAINS THIS AFTERNOON AND EVENING. THERE IS A CHANCE OF
RAIN AND SNOW SHOWERS ON THE PLAINS TONIGHT. MOST AREAS WILL SEE
LITTLE OR NO ACCUMULATION...BUT THERE WILL BE SOME LOCALIZED
HEAVIER SHOWERS THAT COULD PRODUCE AN INCH OR TWO.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

WIDESPREAD SNOW IS EXPECTED IN THE MOUNTAINS MONDAY INTO MONDAY
EVENING...BEFORE GRADUALLY DECREASING OVERNIGHT INTO TUESDAY. THE
SNOW COULD BE HEAVY AT TIMES ON MONDAY. STRONG WINDS WILL CAUSE
BLOWING SNOW AND VERY DIFFICULT DRIVING CONDITIONS. THE HIGHER
MOUNTAINS ALONG AND WEST OF THE DIVIDE WILL SEE A TOTAL OF 14 TO
24 INCHES OF SNOW...WITH BETWEEN 6 AND 18 INCHES THE LOWER
ELEVATIONS OF JACKSON AND GRAND COUNTIES. THERE WILL BE A SLIGHT
CHANCE OF SNOW ON THE PLAINS MONDAY AFTERNOON AND MONDAY NIGHT
BUT ANY ACCUMULATION WILL BE LIGHT.

THE PLAINS WILL BE DRY ON TUESDAY AND WEDNESDAY...AND SO WILL THE
MOUNTAINS ON WEDNESDAY. THE NEXT STORM WILL BRING A CHANCE OF
SNOW ON THURSDAY AND FRIDAY...ESPECIALLY TO THE MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOWFALL OR HIGH WINDS WILL BE APPRECIATED.

$$

GIMMESTAD/RJK


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