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

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WWUS45 KRIW 150321
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
821 PM MST SUN DEC 14 2014


WYZ019-151200-
/O.CON.KRIW.WS.W.0016.000000T0000Z-141215T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
821 PM MST SUN DEC 14 2014

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

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY.

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE
  OVERNIGHT.

* SNOW ACCUMULATIONS...6 INCHES OF SNOW HAS OCCURRED AT SWEETWATER
  STATION AS OF 700 PM. 5 INCHES OF SNOW WAS REPORTED AT JEFFREY
  CITY AT 600 PM. TOTAL SNOWFALL OF 5 TO 8 WITH LOCALLY HIGHER
  AMOUNTS POSSIBLE.

* WIND AND VISIBILITY...AREAS OF NORTH WIND AT 15 TO 25 MPH. THIS
  WILL CAUSE AREAS OF DRIFTING SNOW ALONG WITH LOCAL AREAS OF
  BLOWING SNOW WITH VISIBILITIES BELOW A QUARTER MILE AT TIMES.

* IMPACTS...TRAVEL ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE
  RANGE IS EXPECTED TO BE HAZARDOUS THROUGH THE NIGHT...INCLUDING
  HIGHWAY 287 FROM BEAVER RIM TO MUDDY GAP.

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.

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.

&&

$$

WYZ015-018-151200-
/O.CON.KRIW.WS.W.0016.000000T0000Z-141215T1200Z/
WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
821 PM MST SUN DEC 14 2014

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

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY.

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR
  OVERNIGHT.

* SNOW ACCUMULATIONS...SNOWFALL AROUND LANDER HAS RANGED FROM 4 TO
  5 INCHES. TOTAL SNOWFALL OF 6 TO 9 INCHES IS EXPECTED IN THE
  LOWER ELEVATIONS AROUND LANDER. SNOWFALL 10 TO 15 INCHES IS
  EXPECTED IN THE MOUNTAINS AND THE LOOP ROAD AREA. 6 TO 10 INCHES
  IS EXPECTED AROUND SOUTH PASS.

* WIND AND VISIBILITY...A NORTH TO NORTHEAST WIND OF 10 TO 20 MPH
  WITH GUSTS TO 25 MPH WILL OCCUR. THIS WILL CREATE AREAS OF
  BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A QUARTER MILE
  AT TIMES ON SOUTH PASS.

* IMPACTS...TRAVEL ACROSS SOUTHERN FREMONT COUNTY IS EXPECTED TO
  BE HAZARDOUS THROUGH THE NIGHT...INCLUDING HIGHWAYS 789...287
  AND 28...INCLUDING SOUTH PASS.

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.

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.

&&

$$

WYZ020-022-151200-
/O.CON.KRIW.WS.W.0016.000000T0000Z-141215T1200Z/
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-
INCLUDING THE CITY OF...CASPER
821 PM MST SUN DEC 14 2014

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

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY.

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR
  OVERNIGHT.

* SNOW ACCUMULATIONS...SNOWFALL AROUND CASPER HAS RANGED FROM 3 TO
  5 INCHES. SNOWFALL ON CASPER MOUNTAIN HAS RANGED FROM 4 TO 8
  INCHES. NEW SNOWFALL OF 2 TO 3 INCHES WILL OCCUR AROUND CASPER
  TONIGHT WITH ANOTHER 4 TO 6 INCHES ON CASPER MOUNTAIN.

* WIND AND VISIBILITY...AREAS OF NORTH TO NORTHWEST WIND AT 15 TO
  20 MPH WILL OCCUR IN THE OPEN AREAS OF NATRONA COUNTY OVERNIGHT.
  THE WIND IS EXPECTED TO CREATE AREAS OF BLOWING AND DRIFTING SNOW
  WITH VISIBILITIES BELOW A QUARTER MILE AT TIMES.

* IMPACTS...TRAVEL ACROSS NATRONA COUNTY IS EXPECTED TO BE
  HAZARDOUS THROUGH THE NIGHT...INCLUDING INTERSTATE 25 AND
  HIGHWAYS 26...20 AND 220.

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.

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.

&&

$$

WYZ005>007-151200-
/O.CON.KRIW.WS.W.0016.000000T0000Z-141215T1200Z/
SOUTHWEST BIG HORN BASIN-SOUTHEAST BIG HORN BASIN-
OWL CREEK AND BRIDGER MOUNTAINS-
INCLUDING THE CITIES OF...THERMOPOLIS...WORLAND
821 PM MST SUN DEC 14 2014

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

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY.

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR OVERNIGHT.

* SNOW ACCUMULATIONS...SNOWFALL AROUND 5 INCHES HAS OCCURRED AT
  THERMOPOLIS AS OF 800 PM.  SNOWFALL TOTALS OF 6 TO 8 INCHES IS
  EXPECTED AROUND TEN SLEEP...BIG TRAILS AND THERMOPOLIS. LOCALLY
  HIGHER AMOUNTS ARE POSSIBLE. THE BRIDGER RANGE MAY SEE UP TO 15
  INCHES OF SNOW.

* WIND AND VISIBILITY...AREAS OF DRIFTING SNOW WILL OCCUR IN OPEN
  AREAS AND IN THE MOUNTAINS. VISIBILITIES BELOW ONE HALF MILE AT
  TIMES CAN BE EXPECTED.

* IMPACTS...TRAVEL ACROSS WASHAKIE AND HOT SPRINGS COUNTIES IS
  EXPECTED TO BE HAZARDOUS THROUGH THE NIGHT.

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.

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.

&&

$$

WYZ030-151200-
/O.CON.KRIW.WW.Y.0042.000000T0000Z-141215T1200Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
821 PM MST SUN DEC 14 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY.

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR
  OVERNIGHT.

* SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 3 TO 6 INCHES IS
  EXPECTED.

* WIND AND VISIBILITY...A WEST TO NORTHWEST WIND OF 10 TO 20 MPH
  WILL OCCUR. THIS WILL CREATE SOME DRIFTING SNOW. EXPECT
  VISIBILITIES BELOW A MILE AT TIMES.

* IMPACTS...TRAVEL ACROSS EASTERN SWEETWATER COUNTY IS EXPECTED TO
  BE HAZARDOUS TONIGHT...INCLUDING INTERSTATE 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$

WYZ017-151200-
/O.CON.KRIW.WW.Y.0042.000000T0000Z-141215T1200Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
821 PM MST SUN DEC 14 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY.

* SUMMARY AND TIMING...LIGHT SNOW WILL OCCUR OVERNIGHT.

* SNOW ACCUMULATIONS...NEW SNOWFALL OF 1 TO 2 INCHES IS EXPECTED.

* WIND AND VISIBILITY...A NORTH TO NORTHEAST WIND OF 10 TO 20 MPH
  IN OPEN AREAS WILL CAUSE SOME DRIFTING SNOW. EXPECT VISIBILITIES
  BELOW A MILE AT TIMES.

* IMPACTS...TRAVEL ACROSS THE WIND RIVER BASIN IS EXPECTED TO BE
  HAZARDOUS THROUGH TONIGHT...INCLUDING HIGHWAYS 287...26...20
  AND 789.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$

WYZ010-011-151315-
/O.CON.KRIW.WW.Y.0042.000000T0000Z-141215T1500Z/
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF...BUFFALO...KAYCEE
821 PM MST SUN DEC 14 2014

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

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

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW IS EXPECTED
  OVERNIGHT.

* SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 3 TO 5 INCHES WITH
  LOCALLY HIGHER AMOUNTS WEST OF BUFFALO.

* WIND AND VISIBILITY...NORTH TO NORTHEAST WIND OF 20 TO 30 MPH
  WITH GUSTS TO 40 MPH IN OPEN AREAS INCLUDING THE BUFFALO
  AIRPORT. LESSER WIND OF 10 TO 20 MPH WILL OCCUR IN SOUTHERN
  JOHNSON COUNTY. THE WIND IS EXPECTED TO CREATE AREAS OF BLOWING
  AND DRIFTING SNOW WITH VISIBILITIES BELOW ONE MILE AT TIMES.

* IMPACTS...TRAVEL ACROSS JOHNSON COUNTY IS EXPECTED TO BE
  HAZARDOUS THROUGH TONIGHT...INCLUDING INTERSTATES 25 AND 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$

WYZ008-009-151315-
/O.CON.KRIW.WW.Y.0042.000000T0000Z-141215T1500Z/
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-
821 PM MST SUN DEC 14 2014

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

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

* SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR
  OVERNIGHT.

* SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 5 TO 10 INCHES...LOCAL
  HIGHER AMOUNTS NORTH OF POWDER RIVER PASS.

* WIND AND VISIBILITY...AREAS OF NORTH TO NORTHWEST WIND OF 15 TO
  25 MPH WITH GUSTS OF 35 MPH. THE WIND IS EXPECTED TO CREATE
  AREAS OF BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW A
  HALF MILE AT TIMES ON POWDER RIVER PASS.

* IMPACTS...TRAVEL IS EXPECTED TO BE HAZARDOUS THROUGH TONIGHT ON
  POWDER RIVER PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$

WYZ003-004-151200-
/O.CON.KRIW.WW.Y.0042.000000T0000Z-141215T1200Z/
CODY FOOTHILLS-NORTH BIG HORN BASIN-
INCLUDING THE CITIES OF...CODY...MEETEETSE...POWELL...LOVELL...
GREYBULL...BASIN
821 PM MST SUN DEC 14 2014

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY.

* SUMMARY AND TIMING...LIGHT SNOW TO MODERATE SNOW WILL OCCUR
  OVERNIGHT.

* SNOW ACCUMULATIONS...SNOWFALL AROUND CODY HAS RANGED FROM 2 TO 4
  INCHES SO FAR WITH HIGHER AMOUNTS TO THE WEST OF TOWN. SNOWFALL
  ELSEWHERE HAS BEEN A TRACE TO 1 INCH THIS EVENING. TOTAL
  SNOWFALL AROUND CODY WILL RANGE FROM 3 TO 6 INCHES BY MONDAY
  MORNING. ELSEWHERE 1 TO 2 INCHES OF SNOW IS EXPECTED OVERNIGHT.

* WIND AND VISIBILITY...AREAS OF NORTH TO NORTHWEST WIND OF 10 TO
  20 MPH WILL OCCUR WITH GUSTS TO 25 MPH IN OPEN AREAS. THE WIND
  IS EXPECTED TO CREATE AREAS OF DRIFTING SNOW AND VISIBILITIES
  BELOW ONE MILE AT TIMES.

* IMPACTS...TRAVEL ACROSS PARK AND BIG HORN COUNTIES IS EXPECTED
  TO BE HAZARDOUS THROUGH THE NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

$$






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