Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 301816
HWOBOU

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1116 AM MST SAT JAN 30 2016

COZ030>051-311830-
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-
1116 AM MST SAT JAN 30 2016

...WINTER STORM WARNING FOR THE MOUNTAINS THROUGH TONIGHT...
...WINTER STORM AND HEAVY SNOW LIKELY FOR MOST OF COLORADO SUNDAY
NIGHT THROUGH EARLY TUESDAY...

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

.DAY ONE...TODAY AND TONIGHT

SNOW OVER THE NORTHERN CENTRAL MOUNTAINS WILL SPREAD SOUTH TODAY.
SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND EVENING AS A COLD
FRONT DROPS SOUTH. A BAND OF SNOW IS EXPECTED FOR FORM OVER THE
AREA. THIS BAND SHOULD EFFECT THE I70 CORRIDOR IN THE MOUNTAINS
AROUND 5 PM THROUGH MIDNIGHT...AND WILL MOVE SOUTH ACROSS THE
FRONT RANGE AND EASTERN PLAINS FROM 6 PM THROUGH MIDNIGHT AS WELL.
SNOWFALL RATES UNDER THE BAND MAY BE 2 TO 3 INCHES PER HOUR OVER
THE MOUNTAINS...AND 1 TO 2 INCHES PER HOUR OVER THE PLAINS.

TOTAL SNOWFALL FOR THE HIGHER MOUNTAINS THROUGH SATURDAY NIGHT LOOK
TO BE 8 TO 14 INCHES WITH UP TO 2 FEET OVER WESTERN JACKSON AND
GRAND COUNTIES. FOR THE FRONT RANGE AND EASTERN PLAINS...UP TO 2
INCHES OF SNOW WILL BE POSSIBLE TONIGHT. A FEW LOCATIONS MAY SEE
AROUND 3 INCHES OF SNOW IF THE SNOW BAND LINGERS A LITTLE LONGER.

ROADS IN THE MOUNTAINS WILL BECOME SNOWPACKED AND SLIPPERY...
ESPECIALLY THIS EVENING WHEN TEMPERATURES FALL AND THE SNOWBAND
PUSHES ACROSS. ALONG THE FRONT RANGE AND PARTS OF THE EASTERN
PLAINS...ROADS WILL INITIALLY BECOME SLUSHY AND POTENTIALLY ICY
UNDER THE SNOWBAND...THEN BECOME SNOW COVERED WHERE HEAVY SNOW
FALL OCCURS. EXPECT RAPIDLY CHANGING CONDITIONS IF TRAVELING
TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE THREAT OF HEAVY SNOW WILL RETURN TO THE FORECAST AREA BY
SUNDAY NIGHT...AND CONTINUE THROUGH MONDAY AND MONDAY NIGHT BEFORE
GRADUALLY DECREASING ON TUESDAY. A POTENT STORM SYSTEM OUT IN THE
PACIFIC IS EXPECTED TO ORGANIZE IN THE GREAT BASIN AND THEN TRACK
EAST FROM THE FOUR CORNERS REGION INTO SOUTHWEST KANSAS. THIS
STORM SYSTEM CONTAINS AMPLE AMOUNTS OF PACIFIC MOISTURE AND JET
STREAM ENERGY...WHICH ARE LIKELY TO RESULT IN SUBSTANTIAL SNOW
ACCUMULATION FOR MUCH OF THE REGION.

THE HEAVIEST SNOWFALL EAST OF THE MOUNTAINS IS EXPECTED ON MONDAY
AND MONDAY NIGHT. TOTAL SNOW AMOUNTS BY TUESDAY MORNING COULD
RANGE ANYWHERE FROM 5 TO 15 INCHES ON THE PLAINS WITH HIGHER
AMOUNTS POSSIBLE ON THE PALMER DIVIDE...4 TO 10 INCHES FOR THE
HIGH MOUNTAIN VALLEYS...AND ANYWHERE FROM 8 TO 24 INCHES IN THE
FRONT RANGE MOUNTAINS AND FOOTHILLS. THE HEAVIER AMOUNTS WILL
FAVOR AREAS ALONG AND SOUTH OF THE I-70 CORRIDOR.  THESE SNOW
AMOUNTS ARE PRELIMINARY AND ARE SUBJECT TO CHANGE OVER THE NEXT
DAY OR TWO...SO STAY TUNED FOR THE LATEST UPDATES.  IN
ADDITION...STRONG AND GUSTY NORTHEAST WINDS MONDAY NIGHT AND
TUESDAY COULD PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ON
THE HIGH PLAINS.

THIS STORM SYSTEM HAS THE POTENTIAL TO SIGNIFICANTLY DISRUPT AIR
AND GROUND TRAVEL ACROSS COLORADO AND SURROUNDING STATES.
TRAVELERS SHOULD PREPARE TO MAKE ALTERNATE TRAVEL ARRANGEMENTS
SHOULD ROADS BE CLOSED AND FLIGHTS BE CANCELLED DUE TO INCLEMENT
WINTER WEATHER.

CONDITIONS ARE EXPECTED TO GRADUALLY IMPROVE ON TUESDAY...ONLY TO
SEE ANOTHER WEAK DISTURBANCE BRING SOME MORE SNOW TO THE HIGH
COUNTRY AND A SLIGHT CHANCE OF SNOW TO THE HIGH PLAINS ON
WEDNESDAY. DRY AND WARMER WEATHER SHOULD THEN RETURN FOR THE
REMAINDER OF THE WEEK.

STAY TUNED FOR THE LATEST UPDATES ON WHAT APPEARS WILL BE A MAJOR
SNOWSTORM FOR MOST OF COLORADO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
HOWEVER...ANY SNOWFALL REPORTS WILL BE APPRECIATED.

$$


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