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

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WWUS45 KBOU 211252
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
552 AM MST SUN DEC 21 2014

...SIGNIFICANT WINTER STORM MOVING INTO THE NORTHERN AND CENTRAL
COLORADO MOUNTAINS...

.HEAVY SNOW AND STRONG WINDS WILL DEVELOP IN THE MOUNTAINS THIS
AFTERNOON AND CONTINUE TONIGHT INTO 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 INTERSTATE 70 CORRIDOR THIS AFTERNOON.
BLIZZARD CONDITIONS ARE POSSIBLE OVER HIGHER ELEVATIONS AND
EXPOSED AREAS BY THIS EVENING...INCLUDING THE HIGHER PORTIONS OF
INTERSTATE 70 AND LOVELAND...BERTHOUD...AND RABBIT EARS PASSES.

PEOPLE PLANNING TRAVEL IN THE COLORADO MOUNTAINS SUNDAY AFTERNOON
THROUGH MONDAY SHOULD SERIOUSLY CONSIDER ALTERING THEIR PLANS.
SIGNIFICANT DELAYS AND DANGEROUS CONDITIONS CAN BE EXPECTED...AND ROAD
CLOSURES WILL BE POSSIBLE. CONDITIONS WILL DETERIORATE QUICKLY
THIS AFTERNOON.

COZ031-033-034-212200-
/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
552 AM MST SUN DEC 21 2014

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

* TIMING...LIGHT SNOW WILL CONTINUE THIS MORNING. SNOW WILL
  QUICKLY INCREASE IN INTENSITY THIS AFTERNOON WITH HEAVY SNOW AND
  NEAR BLIZZARD CONDITIONS OVERNIGHT. LIGHTER SNOW WILL CONTINUE
  MONDAY AND MONDAY NIGHT...BUT THERE WILL STILL BE EXTENSIVE
  BLOWING SNOW AND POOR TRAVEL CONDITIONS.

* SNOW ACCUMULATIONS...14 TO 24 INCHES.

* WIND/VISIBILITY...WINDS OF 20 TO 40 MPH WILL BE COMMON...WITH
  GUSTS AS HIGH AS 75 MPH OVER HIGHER EXPOSED AREAS. WIDESPREAD
  BLOWING AND DRIFTING SNOW WILL DEVELOP THIS AFTERNOON...AND
  BLIZZARD CONDITIONS MAY BECOME WIDESPREAD THIS EVENING.

* IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS
  AFTERNOON. ROADS WILL BECOME SNOW PACKED WITH DRIFTING SNOW AND
  NEAR ZERO VISIBILITIES IN WINDIER AREAS. ROAD CLOSURES ARE
  POSSIBLE...AND CHAINS WILL LIKELY BE REQUIRED FOR COMMERCIAL
  VEHICLES OVER THE PASSES. THERE IS A SIGNIFICANT THREAT OF
  TRAVELERS BEING STRANDED FOR AN EXTENDED TIME WITH THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. HEAVY SNOW AND STRONG WINDS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. CONSIDER AVOIDING TRAVEL
IN THE WARNING AREA AS CONDITIONS WILL BECOME DANGEROUS. IF YOU
MUST TRAVEL...BE PREPARED FOR SLOW AND DIFFICULT DRIVING AND BE
PREPARED FOR THE POSSIBILITY OF ROAD CLOSURES OR BECOMING
STRANDED. CARRY WARM CLOTHING AND BLANKETS...EXTRA FOOD AND
WATER...A FULL GAS TANK...AND A SHOVEL IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

COZ032-212200-
/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
552 AM MST SUN DEC 21 2014

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

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

* SNOW ACCUMULATIONS...10 TO 18 INCHES.

* WIND/VISIBILITY...WEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH
  GUSTS UP TO 50 MPH IN OPEN AREAS BY THIS EVENING. NEAR BLIZZARD
  CONDITIONS WILL BE POSSIBLE.

* IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE QUICKLY THIS
  AFTERNOON. ROADS WILL BE ICY AND SNOW PACKED ROADS WITH DRIFTING
  SNOW AND POOR VISIBILITY. TRAVEL IS NOT RECOMMENDED DURING THE
  HEIGHT OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. HEAVY SNOW AND STRONG WINDS
WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. CONSIDER AVOIDING TRAVEL
IN THE WARNING AREA AS CONDITIONS WILL BECOME DANGEROUS. IF YOU
MUST TRAVEL...BE PREPARED FOR SLOW AND DIFFICULT DRIVING AND BE
PREPARED FOR THE POSSIBILITY OF ROAD CLOSURES OR BECOMING
STRANDED. CARRY WARM CLOTHING AND BLANKETS...EXTRA FOOD AND
WATER...A FULL GAS TANK...AND A SHOVEL IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.

&&

$$

COZ030-212200-
/O.CON.KBOU.WW.Y.0041.141221T1900Z-141223T0700Z/
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER...
WALDEN
552 AM MST SUN DEC 21 2014

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

* TIMING...SNOW WILL BECOME WIDESPREAD AND HEAVIER BY EARLY
  AFTERNOON. THE SNOW MAY BE HEAVY AT TIMES THIS AFTERNOON AND
  EVENING...THEN LIGHTER AGAIN ON MONDAY.

* SNOW ACCUMULATIONS...6 TO 12 INCHES.

* WIND/VISIBILITY...WEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH
  GUSTS UP TO 50 MPH BY THIS EVENING. NEAR BLIZZARD CONDITIONS ARE
  POSSIBLE FOR AN EXTENDED PERIOD.

* IMPACTS...TRAVEL WILL BE HAZARDOUS WITH ICY AND SNOW PACKED
  ROADS AND REDUCED VISIBILITY IN BLOWING SNOW. ROAD CLOSURES ARE
  POSSIBLE DUE TO DRIFTING 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. CONSIDER MAKING ALTERNATE TRAVEL PLANS.

&&

$$

GIMMESTAD/RJK



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