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

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WWUS45 KBOU 210333
WSWBOU

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

...SIGNIFICANT WINTER STORM ON THE WAY FOR THE NORTHERN AND
CENTRAL COLORADO MOUNTAINS...

.WIDESPREAD SNOW AND STRONG WINDS WILL DEVELOP IN THE MOUNTAINS
BY SUNDAY AFTERNOON...AND CONTINUE THROUGH SUNDAY NIGHT AND
MONDAY AS A POWERFUL AND MOIST PACIFIC JET STREAM PLOWS INTO THE
CENTRAL ROCKIES. THE WORST STORM CONDITIONS ARE ANTICIPATED TO
REACH THE NORTHERN AND CENTRAL MOUNTAINS INCLUDING THE I-70
CORRIDOR SUNDAY AFTERNOON. NEAR BLIZZARD CONDITIONS ARE EXPECTED
TO DEVELOP OVER THE HIGHER MOUNTAIN PASSES BY SUNDAY EVENING.

PEOPLE PLANNING TRAVEL IN THE COLORADO MOUNTAINS SUNDAY AFTERNOON
THROUGH MONDAY SHOULD SERIOUSLY CONSIDER ALTERING THEIR PLANS.
ROAD CLOSURES WILL BE POSSIBLE.

COZ031-033-034-211300-
/O.CON.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
833 PM MST SAT DEC 20 2014

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

* TIMING...PERIODS OF LIGHT SNOW WILL OCCUR TONIGHT THROUGH EARLY
  SUNDAY MORNING. THEN...SNOW WILL QUICKLY INCREASE IN INTENSITY
  BY NOON SUNDAY AND BECOME HEAVY SUNDAY AFTERNOON THROUGH SUNDAY
  NIGHT. THE SNOW IS EXPECTED TO GRADUALLY DECREASE IN INTENSITY
  MONDAY AND MONDAY NIGHT.

* 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
  SIGNIFICANT BLOWING AND DRIFTING SNOW. VISIBILITIES OVER THE
  MOUNTAINS AND HIGHER PASSES MAY FALL TO NEAR ZERO AT TIMES.

* IMPACTS...DIFFICULT TRAVEL CONDITIONS WITH SNOW PACKED ROADS AND
  POOR VISIBILITIES WILL DEVELOP BY SUNDAY AFTERNOON. ROAD
  CLOSURES ARE POSSIBLE. CHAIN LAWS WILL LIKELY BE REQUIRED FOR
  SEMI-TRAILERS AND BUSES TO TRAVEL OVER HIGHER MOUNTAIN PASSES.
  AVOID TRAVEL IN THE COLORADO HIGH COUNTRY SUNDAY AFTERNOON
  THROUGH MONDAY IF POSSIBLE.

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 OR IMPOSSIBLE.
ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

COZ032-211300-
/O.CON.KBOU.WS.W.0013.141221T1900Z-141223T0700Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
INCLUDING THE CITIES OF...DILLON...FRASER...GRANBY...GRAND LAKE...
HOT SULPHUR SPRINGS...KREMMLING
833 PM MST SAT DEC 20 2014

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

* TIMING...SNOW WILL BECOME WIDESPREAD AND HEAVIER BY MID DAY
  SUNDAY. THE SNOW WILL THEN BE HEAVY AT TIMES THROUGH SUNDAY
  NIGHT BEFORE GRADUALLY DECREASING MONDAY AND MONDAY NIGHT.

* SNOW ACCUMULATIONS...7 TO 14 INCHES.

* WIND/VISIBILITY...WEST WINDS OF 15 TO 25 MPH GUSTING UP TO 35
  MPH. VISIBILITY WILL DROP TO ONE QUARTER MILE OR LESS DURING
  PERIODS OF HEAVIER SNOWFALL AND/OR BLOWING SNOW. BRIEF WHITEOUT
  CONDITIONS WILL BE POSSIBLE IN OPEN AREAS.

* IMPACTS...TRAVEL WILL BE HAZARDOUS WITH ICY AND SNOW PACKED
  ROADS AND REDUCED VISIBILITY IN BLOWING SNOW. TRAVEL IS NOT
  RECOMMENDED.

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.

&&

$$

COZ030-211300-
/O.CON.KBOU.WW.Y.0041.141221T1900Z-141223T0700Z/
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN
833 PM MST SAT DEC 20 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO
MIDNIGHT MST MONDAY NIGHT...

* TIMING...SNOW WILL BECOME WIDESPREAD AND HEAVIER BY MID DAY
  SUNDAY. THE SNOW MAY BE HEAVY AT TIMES SUNDAY AFTERNOON AND
  EVENING BEFORE GRADUALLY DECREASING THROUGH SUNDAY.

* SNOW ACCUMULATIONS...4 TO 10 INCHES.

* WIND/VISIBILITY...WEST WINDS OF 10 TO 25 MPH GUSTING UP TO 35
  MPH WILL BE POSSIBLE. VISIBILITY MAY BE REDUCED TO ONE QUARTER
  MILE AT TIMES DUE TO FALLING AND/OR BLOWING SNOW.

* IMPACTS...TRAVEL WILL BE HAZARDOUS WITH ICY AND SNOW PACKED
  ROADS AND REDUCED VISIBILITY IN BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

BARJENBRUCH


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