Winter Weather Warnings / Watches / Advisories
Issued by NWS Cheyenne, WY

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WWUS45 KCYS 211719
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1019 AM MST SUN DEC 21 2014

...HEAVY MOUNTAIN SNOWS TO CONTINUE THROUGH TUESDAY...

...SNOW AND BLOWING SNOW LIKELY TO SIGNIFICANTLY IMPACT TRAVEL
ALONG THE INTERSTATE 80 CORRIDOR BETWEEN RAWLINS AND LARAMIE THIS
AFTERNOON AND TONIGHT...

.VERY MOIST PACIFIC AIR COMBINED WITH STRONG WEST WINDS HAVE SET
THE STAGE FOR HEAVY SNOW FOR THE SNOWY AND SIERRA MADRE MOUNTAIN
RANGES. STRONG UPSLOPE FLOW AND AN APPROACHING STORM SYSTEM WILL
ALLOW SNOWFALL RATES TO INCREASE TODAY. ACCUMULATIONS OF 2 TO
3 FEET ARE EXPECTED THROUGH TUESDAY MORNING IN THE MOUNTAINS.
SNOW AMOUNTS WILL BE MUCH LOWER IN THE ADJACENT FOOTHILLS.
HOWEVER...STRONG WEST TO SOUTHWEST WINDS WILL COMBINE WITH SNOW
TO PRODUCE VERY LOW VISIBILITIES. THIS WILL BE ESPECIALLY TRUE IN
AND AROUND ARLINGTON...ALONG INTERSTATE 80 BETWEEN LARAMIE AND
RAWLINS. TRAVEL WILL BE EXTREMELY DANGEROUS THIS AFTERNOON AND
TONIGHT.

WYZ112-114-220600-
/O.CON.KCYS.WS.W.0016.000000T0000Z-141223T1200Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
1019 AM MST SUN DEC 21 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TUESDAY...

* TIMING...SNOW WILL INCREASE IN COVERAGE AND INTENSITY THROUGH
  THE DAY TODAY...AND CONTINUE THROUGH EARLY TUESDAY.

* TOTAL SNOW ACCUMULATIONS...2 TO 3 FEET. HIGHEST AMOUNTS ON
  WEST AND NORTHWEST FACING SLOPES.

* WINDS/VISIBILITY...SUSTAINED WEST WINDS WILL INCREASE TO 30 TO
  40 MPH WITH GUSTS TO 70 MPH. NEAR WHITEOUT CONDITIONS ARE
  LIKELY IN FALLING AND BLOWING SNOW.

* IMPACTS...TRAVEL ALONG HIGHWAY 230 BETWEEN WOODS LANDING AND
  THE STATE LINE...AND BETWEEN ENCAMPMENT AND THE STATE LINE MAY
  BE IMPACTED BY THE WINTRY CONDITIONS. OUTDOOR ENTHUSIASTS
  PLANNING TO VENTURE OUT INTO THE HIGH COUNTRY WILL WANT TO
  EXERCISE EXTREME CAUTION TODAY THROUGH MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

&&

$$

WYZ110-111-220600-
/O.CON.KCYS.WS.W.0016.000000T0000Z-141222T1800Z/
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BAGGS...
DIXON
1019 AM MST SUN DEC 21 2014

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST
MONDAY...

* TIMING...HIGH WINDS WILL CONTINUE THROUGH LATE TONIGHT. LIGHT
  SNOW WILL DEVELOP BY LATE MORNING...CAUSING HAZARDOUS TRAVEL
  THROUGH THE AFTERNOON AND NIGHT.

* TOTAL SNOW ACCUMULATIONS...GENERALLY 1 TO 3 INCHES.

* WINDS/VISIBILITY...WEST-TO-SOUTHWEST 40 TO 50 MPH WITH GUSTS
  TO 70 MPH. NEAR WHITEOUT CONDITIONS WILL BE POSSIBLE.

* IMPACTS...TRAVEL ALONG INTERSTATE 80 IN THE ARLINGTON AREA
  BETWEEN LARAMIE AND RAWLINS WILL BECOME VERY HAZARDOUS. NEAR
  WHITEOUT CONDITIONS ARE LIKELY WITH POTENTIAL FOR SIGNIFICANT
  DRIFTING OVER THE ROADWAY. ROADS WILL BECOME SLICK AND SNOW
  COVERED AS WELL. STRONG CROSSWINDS WILL BE VERY DANGEROUS TO
  LIGHT WEIGHT AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF
TRANSPORTATION ARE AVAILABLE BY CALLING 5 1 1 OR ON THE INTERNET
AT WYOROAD.INFO.

&&

$$

WYZ113-115-220600-
/O.CON.KCYS.WW.Y.0030.141221T1900Z-141222T1500Z/
UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-
INCLUDING THE CITIES OF...SARATOGA...ENCAMPMENT...RIVERSIDE...
LARAMIE
1019 AM MST SUN DEC 21 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST
MONDAY...

* TIMING...LIGHT SNOW WILL DEVELOP BY LATE MORNING OR EARLY
  AFTERNOON ALONG WITH GUSTY WEST WINDS. THESE CONDITIONS WILL
  PERSIST THROUGH EARLY MONDAY.

* TOTAL SNOW ACCUMULATIONS...GENERALLY 1 TO 3 INCHES.

* WINDS/VISIBILITY...THE COMBINATION OF GUSTY WEST WINDS AND
  FALLING SNOW COULD RESULT IN AREAS OF VERY LOW VISIBILITIES
  UNDER ONE QUARTER OF A MILE.

* IMPACTS...TRAVEL WITHIN THE LARAMIE AND UPPER NORTH PLATTE
  RIVER VALLEYS MAY BE IMPACTED BY THESE WINTRY CONDITIONS. THIS
  INCLUDES THE CITIES OF LARAMIE AND SARATOGA. THOSE WITH TRAVEL
  PLANS THROUGH SOUTHEAST WYOMING WILL WANT TO USE EXTREME
  CAUTION TODAY AND MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$


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