Winter Weather Warnings / Watches / Advisories
Issued by NWS Denver/Boulder, CO

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WWUS45 KBOU 201712
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1012 AM MST SAT DEC 20 2014

...WINTER STORM WILL MOVE INTO THE NORTHERN AND NORTH CENTRAL
MOUNTAINS SUNDAY AND CONTINUE THROUGH MONDAY NIGHT....

.A WINTER STORM WILL IMPACT PARTS OF COLORADO BRINGING SNOW AND
WIND TO MOUNTAINS OF CENTRAL AND NORTH CENTRAL COLORADO. COLD
TEMPERATURES...INCREASED MOISTURE AND INSTABILITY WILL AID IN THE
DEVELOPMENT OF SNOW. HIGH WINDS WILL COMBINE WITH SNOW TO REDUCE
VISIBILITIES OVER HIGHER MOUNTAIN PASSES. TRAVELERS WILL NEED TO
USE CAUTION AND CONSIDER ALTERING TRAVEL PLANS SUNDAY AFTERNOON
THROUGH MONDAY.

COZ031-033-034-210300-
/O.UPG.KBOU.WS.A.0013.141221T1900Z-141223T0700Z/
/O.NEW.KBOU.WS.W.0013.141221T1900Z-141223T0700Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 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-
INCLUDING THE CITIES OF...
EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS...
RABBIT EARS PASS...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK
1012 AM MST SAT DEC 20 2014

...WINTER STORM WARNING IN EFFECT FROM NOON SUNDAY TO MIDNIGHT
MST MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
NOON SUNDAY TO MIDNIGHT MST MONDAY NIGHT. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

* TIMING...SNOW IS EXPECTED TO DEVELOP SUNDAY MORNING INCREASING
  IN INTENSITY LATE SUNDAY AFTERNOON AND CONTINUE INTO MONDAY
  NIGHT. THE HEAVIEST SNOW IS EXPECTED TO FALL SUNDAY EVENING
  THROUGH MONDAY MORNING.

* SNOW ACCUMULATIONS...12 TO 24 INCHES WILL BE POSSIBLE WITH HEAVIER
  AMOUNTS ON NORTHWEST FACING SLOPES.

* WIND/VISIBILITY...MOUNTAIN TOP WIND GUSTS UP TO 70 MPH WILL BE
  POSSIBLE SUNDAY EVENING THROUGH MONDAY MORNING. THIS WILL CAUSE
  BLOWING AND DRIFTING SNOW. VISIBILITIES OVER THE MOUNTAINS AND
  MOUNTAINS PASSES MAY FALL TO NEAR ZERO AT TIMES.

* IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY
  SHOULD BE PREPARED FOR DIFFICULT DRIVING CONDITIONS...SLOW
  TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY IN SPOTS. CHAIN
  LAWS WILL LIKELY BE REQUIRED FOR SEMI-TRAILERS AND BUSES TO
  TRAVEL OVER HIGHER MOUNTAIN PASSES. HIGH MOUNTAIN PASSES COULD
  BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

COZ030-032-210300-
/O.CON.KBOU.WS.A.0013.141221T1900Z-141223T0700Z/
JACKSON COUNTY BELOW 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
1012 AM MST SAT DEC 20 2014

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY EVENING...

* TIMING...SNOW IS EXPECTED TO DEVELOP SUNDAY MORNING INCREASING
  IN INTENSITY SUNDAY AFTERNOON AND CONTINUING INTO MONDAY NIGHT.
  THE HEAVIEST SNOW IS EXPECTED TO FALL SUNDAY EVENING INTO EARLY
  MONDAY MORNING.

* SNOW ACCUMULATIONS...5 TO 12 INCHES WILL BE POSSIBLE.

* WIND/VISIBILITY...WEST WINDS OF 10 TO 20 MPH GUSTING UP TO 35
  MPH WILL BE POSSIBLE.

* IMPACTS...ACCUMULATING SNOW WILL RESULT IN SNOW AND ICE PACKED
  ROADS AND HIGHWAYS. THE COMBINATION OF SNOW AND WIND MAY
  REDUCE VISIBILITY IN BLOWING AND DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$



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