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

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WWUS45 KCYS 222017
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
117 PM MST MON DEC 22 2014

...HEAVY MOUNTAIN SNOWS TO CONTINUE THROUGH TUESDAY...
...ACCUMULATING SNOW AND STRONG WINDS FOR THE NORTHERN NEBRASKA
PANHANDLE TONIGHT...

.HEAVY MOUNTAIN SNOWS WILL CONTINUE OVER THE NEXT 24 HOURS AS
MOIST WESTERLY FLOW ALOFT INTERACTS WITH THE TERRAIN. AN
ADDITIONAL 12 TO 18 INCHES OF SNOW IS LIKELY FOR THE SNOWY AND
SIERRA MADRE MOUNTAIN RANGES THROUGH TUESDAY MORNING. STORM TOTAL
ACCUMULATIONS MAY APPROACH 4 FEET ON WEST AND NORTHWEST FACING
SLOPES. ENERGY FROM A STRONG LOW PRESSURE SYSTEM OVER EASTERN
NEBRASKA TONIGHT WILL MOVE INTO THE NORTHERN NEBRASKA PANHANDLE.
MODERATE TO BRIEFLY HEAVY SNOW IS EXPECTED ALONG THE PINE RIDGE AS
WELL AS MOST OF DAWES COUNTY. COMBINATION OF STRONG NORTH WINDS
AND ACCUMULATING SNOW WILL CREATE NEAR BLIZZARD CONDITIONS ACROSS
THE NORTHERN PANHANDLE TONIGHT.

NEZ002-003-095-096-231200-
/O.EXB.KCYS.WS.W.0016.141223T0300Z-141223T1800Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE
117 PM MST MON DEC 22 2014

...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
8 PM THIS EVENING TO 11 AM MST TUESDAY.

* TIMING...STRONG WINDS WILL DEVELOP AS EARLY AS 8 PM THIS EVENING
  WITH SNOW BECOMING WIDESPREAD TOWARDS MIDNIGHT. GREATEST SNOW
  ACCUMULATIONS WILL OCCUR BETWEEN MIDNIGHT AND 6 AM TUESDAY. SNOW
  LOOKS TO COME TO AN END BY LATE MORNING TUESDAY.

* TOTAL SNOW ACCUMULATIONS...4 TO 6 INCHES OF SNOW IS EXPECTED
  WITH LOCALLY HIGHER AMOUNTS ON NORTH FACING SLOPES OF THE PINE
  RIDGE.

* WINDS/VISIBILITY...25 TO 35 MPH WITH GUSTS TO 45 MPH. NEAR
  WHITEOUT CONDITIONS ARE LIKELY IN FALLING AND BLOWING SNOW.

* IMPACTS...TRAVEL ACROSS THE NORTHERN NEBRASKA PANHANDLE WILL
  BECOME HAZARDOUS LATE THIS EVENING AND PERSIST THROUGH THE
  MORNING COMMUTE TUESDAY. STRONG WINDS WILL CREATE AREAS OF
  BLOWING AND DRIFTING SNOW THAT WILL IMPACT ROADS AND MAKE
  DRIVING CONDITIONS HAZARDOUS OVERNIGHT.

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.

&&

$$

WYZ112-114-231200-
/O.CON.KCYS.WS.W.0016.000000T0000Z-141223T1200Z/
SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING
117 PM MST MON DEC 22 2014

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

* TIMING...HEAVY MOUNTAIN SNOWS WILL CONTINUE THROUGH TUESDAY
  MORNING.

* TOTAL SNOW ACCUMULATIONS...AN ADDITIONAL 12 TO 18 INCHES.
  TOTAL ACCUMULATIONS OF UP TO 4 FEET ARE POSSIBLE ON WEST AND
  NORTHWEST FACING SLOPES OF THE SNOWY AND SIERRA MADRE RANGES.

* WINDS/VISIBILITY...25 TO 35 MPH WITH GUSTS TO 55 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 AND TONIGHT.

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.

&&

$$



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