Alert archive / Wyoming / Winter Storm Warnings in 2012

Winter Storm Warning 2, NWS Riverton, WY

January 20, 20125 counties in Wyoming

NWS Riverton, WY issued this winter storm warning at Jan 20, 2012, 2:36 PM MST for 5 counties in Wyoming. It took effect at Jan 20, 2012, 11:00 PM MST. It was in force for 24 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 20, 2012, 2:36 PM MST (21:36 UTC)
In effect from
Jan 20, 2012, 11:00 PM MST
Expired
Jan 21, 2012, 11:00 PM MST
In force
24 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Lincoln County, WY, Park County, WY, Sublette County, WY, Teton County, WY

The radar

The Riverton/Lander radar (KRIW), 116 km from the middle of the area, began a volume at 21:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jan 21, 8:43 AM MSTSNOW 4Alpine, WY
Jan 21, 11:52 AM MSTSNOW 55 Sse Smoot, WY
Jan 21, 11:58 AM MSTHEAVY SNOW 7.55 Nw Jackson, WY
Jan 21, 12:11 PM MSTSNOW 2.24 Ssw Jackson, WY
Jan 21, 12:12 PM MSTSNOW 2.313 Se Pinedale, WY
Jan 21, 12:12 PM MSTSNOW 3.114 Nw Pinedale, WY
Jan 21, 1:53 PM MSTSNOW 4Moose, WY
Jan 21, 1:54 PM MSTHEAVY SNOW 7.52 Sw Teton Village, WY
Jan 21, 2:05 PM MSTSNOW 426 Nw Dubois, WYTOGWOTEE PASS
Jan 21, 2:05 PM MSTHEAVY SNOW 7Pinedale, WY
Jan 21, 2:48 PM MSTHEAVY SNOW 11Pinedale, WY
Jan 21, 2:52 PM MSTHEAVY SNOW 7.5Pinedale, WY
Jan 21, 2:53 PM MSTHEAVY SNOW 6Marbleton, WY
Jan 21, 2:53 PM MSTHEAVY SNOW 93 Nw Bondurant, WY
Jan 21, 3:11 PM MSTHEAVY SNOW 7.53 Ssw Wilson, WY
Jan 21, 3:15 PM MSTSNOW 41 S Jackson, WYSNOW KING SKI AREA
Jan 21, 3:16 PM MSTHEAVY SNOW 69.4 Nnw Jackson, WYJACKSON HOLE-RENDEZVOUS BOWL
Jan 21, 3:16 PM MSTHEAVY SNOW 69.9 Nnw Jackson, WYJACKSON HOLE-RAYMER
Jan 21, 3:16 PM MSTHEAVY SNOW 817.2 E Thayne, WYBLIND BULL SUMMIT
Jan 21, 3:16 PM MSTHEAVY SNOW 109.3 Nnw Jackson, WYJACKSON HOLE-MID
Jan 21, 3:18 PM MSTSNOW 111 N Dubois, WYBURROUGHS CREEK SNOTEL
Jan 21, 3:18 PM MSTSNOW 119 Wsw Wapiti, WYBLACKWATER SNOTEL
Jan 21, 3:18 PM MSTSNOW 214 Ne Pahaska, WYEVENING STAR SNOTEL
Jan 21, 3:18 PM MSTSNOW 221 W Clark, WYBEARTOOTH LAKE SNOTEL
Jan 21, 3:19 PM MSTSNOW 256 Sw Cody, WYYOUNTS PEAK SNOTEL
Jan 21, 3:20 PM MSTSNOW 28 W South Entrance, WYGRASSY LAKE SNOTEL
Jan 21, 3:20 PM MSTSNOW 38 Nne Moran Junction, WYBASE CAMP SNOTEL
Jan 21, 3:20 PM MSTSNOW 56 Ene Alta, WYGRAND TARGHEE SNOTEL
Jan 21, 3:20 PM MSTHEAVY SNOW 610 N Bondurant, WYGRANITE CREEK SNOTEL
Jan 21, 3:21 PM MSTSNOW 320 Ne Bondurant, WYGROS VENTRE SUMMIT SNOTEL
Jan 21, 3:21 PM MSTSNOW 325 Nw Dubois, WYTOGWOTEE PASS SNOTEL
Jan 21, 3:21 PM MSTHEAVY SNOW 714 E Bondurant, WYLOOMIS PARK SNOTEL
Jan 21, 3:21 PM MSTHEAVY SNOW 88 Wnw Jackson, WYPHILLIPS BENCH SNOTEL
Jan 21, 3:21 PM MSTHEAVY SNOW 1624 Ese Boulder, WYBIG SANDY OPENING SNOTEL
Jan 21, 3:22 PM MSTSNOW 416 Sw Dubois, WYGUNSITE PASS SNOTEL
Jan 21, 3:22 PM MSTSNOW 422 N Cora, WYKENDALL RANGER STATION SNOTEL
Jan 21, 3:22 PM MSTHEAVY SNOW 1012 Nne Pinedale, WYELKHART PARK G.S. SNOTEL
Jan 21, 3:22 PM MSTHEAVY SNOW 1325 Sw Lander, WYLARSEN CREEK SNOTEL
Jan 21, 3:23 PM MSTSNOW 114 W Crowheart, WYCOLD SPRINGS SNOTEL
Jan 21, 3:23 PM MSTSNOW 16 Wsw Dubois, WYLITTLE WARM SNOTEL
Jan 21, 3:23 PM MSTSNOW 518 W Lander, WYHOBBS PARK SNOTEL
Jan 21, 3:23 PM MSTHEAVY SNOW 712 N Cora, WYNEW FORK LAKE SNOTEL
Jan 21, 3:23 PM MSTHEAVY SNOW 819 Ssw Lander, WYDEER PARK SNOTEL
Jan 21, 3:23 PM MSTHEAVY SNOW 107 Nw Atlantic City, WYSOUTH PASS SNOTEL
Jan 21, 3:23 PM MSTHEAVY SNOW 1416 E Boulder, WYPOCKET CREEK SNOTEL
Jan 21, 3:24 PM MSTSNOW 226 Nw Lander, WYST. LAWRENCE ALT SNOTEL
Jan 21, 3:24 PM MSTHEAVY SNOW 819 Sw Bondurant, WYBLIND BULL SUMMIT SNOTEL
Jan 21, 3:25 PM MSTSNOW 326 N Kemmerer, WYHAMS FORK SNOTEL
Jan 21, 3:25 PM MSTSNOW 415 S Afton, WYSALT RIVER SUMMIT SNOTEL
Jan 21, 3:25 PM MSTSNOW 48 Se Afton, WYCOTTONWOOD CREEK SNOTEL
Jan 21, 3:25 PM MSTHEAVY SNOW 721 W Big Piney, WYSNIDER BASIN SNOTEL
Jan 21, 3:25 PM MSTHEAVY SNOW 915 Nne Cokeville, WYKELLEY RANGER STATION SNOTEL
Jan 21, 3:25 PM MSTHEAVY SNOW 1336 N Kemmerer, WYINDIAN CREEK SNOTEL
Jan 21, 3:26 PM MSTHEAVY SNOW 612 Ese Bondurant, WYEAST RIM DIVIDE SNOTEL
Jan 21, 3:26 PM MSTHEAVY SNOW 717 E Afton, WYTRIPLE PEAK SNOTEL
Jan 21, 3:26 PM MSTHEAVY SNOW 88 Ne Afton, WYWILLOW CREEK SNOTEL
Jan 21, 3:26 PM MSTHEAVY SNOW 1019 Se Afton, WYSPRING CREEK DIVIDE SNOTEL
Jan 21, 7:44 PM MSTHEAVY SNOW 1824 Ese Boulder, WYBIG SANDY OPENING SNOTEL
Jan 21, 7:45 PM MSTHEAVY SNOW 1312 Nne Pinedale, WYELKHART PARK G.S. SNOTEL
Jan 21, 7:46 PM MSTSNOW 516 Sw Dubois, WYGUNSITE PASS SNOTEL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 9.6 hours before the alert went out and 122 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2012-01-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2012-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1964 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

532 
WWUS45 KRIW 202136
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
236 PM MST FRI JAN 20 2012

...ANOTHER WINTER STORM APPROACHES THE WEST TONIGHT AND WILL
CONTINUE INTO SATURDAY EVENING...

.ANOTHER PACIFIC STORM SYSTEM WILL APPROACH THE WEST TONIGHT
AROUND MIDNIGHT WITH ANOTHER ROUND OF STRONG WIND AND HEAVY SNOW
EXPECTED. ANOTHER ONE TO 2 FEET OF SNOW IS POSSIBLE IN THE TETONS
AND GROS VENTRES...AS WELL AS IN THE SALT RIVER AND WYOMING
RANGES TONIGHT THROUGH SATURDAY EVENING.  THE HEAVIER SNOW WILL
OCCUR IN THE SOUTHERN QUARTER OF YELLOWSTONE NATIONAL PARK AND
ACROSS THE WEST SLOPES OF THE WIND RIVER RANGE AND THE PINEDALE
FOOTHILLS.  THERE ALSO COULD BE WIND GUSTS IN EXCESS OF 50 MPH
WITH THE SNOW...REDUCING VISIBILITY IN SNOW AND BLOWING SNOW AT
TIMES.

WYZ012-013-211000-
/O.UPG.KRIW.WS.A.0002.120121T0600Z-120122T0600Z/
/O.NEW.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
236 PM MST FRI JAN 20 2012

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11
PM THIS EVENING TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* SUMMARY AND TIMING...LIGHT SNOW WILL INCREASE THROUGH THE
  EVENING WITH MODERATE TO HEAVY SNOW POSSIBLE BY MIDNIGHT
  TONIGHT. THE SNOW MAY MIX WITH OR TURN TO RAIN AT TIMES IN THE
  AFTERNOON IN THE VALLEY. THE MODERATE TO HEAVY SNOW COULD CONTINUE
  THROUGH SATURDAY EVENING.

* SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
  IN THE NORTH AROUND MORAN IN JACKSON HOLE. THE MOUNTAINS MAY SEE
  10 TO 15 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 24
  INCHES POSSIBLE ALONG WEST TO SOUTHWESTERN FACING SLOPES.

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 30 MPH WITH HIGHER
  GUSTS CAUSING BLOWING SNOW AND VISIBILITY NEAR A QUARTER MILE AT
  TIMES.

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL...ESPECIALLY OVER 
  TETON PASS...MAY BECOME EXTREMELY TREACHEROUS AS THE STRONG 
  WINDS AND HEAVY SNOW COMBINE TO PRODUCE WHITEOUT CONDITIONS. 

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.

&&

$$

WYZ023-024-211000-
/O.UPG.KRIW.WS.A.0002.120121T0600Z-120122T0600Z/
/O.NEW.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE
236 PM MST FRI JAN 20 2012

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11
PM THIS EVENING TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL BE POSSIBLE BY
  MIDNIGHT TONIGHT. THE SNOW MAY MIX WITH OR TURN TO RAIN AT TIMES
  IN THE AFTERNOON IN THE STAR VALLEY. THE MODERATE TO HEAVY SNOW COULD
  CONTINUE THROUGH SATURDAY EVENING.

* SNOW ACCUMULATIONS...5 TO 10 INCHES IN THE STAR VALLEY WITH
  LOCALLY HIGHER AMOUNTS IN THE NORTH AROUND ALPINE. IN THE
  MOUNTAINS 8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING
  18 INCHES IS POSSIBLE ALONG WEST TO SOUTHWESTERN FACING SLOPES.

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER
  GUSTS. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES.

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL...ESPECIALLY OVER 
  TETON PASS...MAY BECOME EXTREMELY TREACHEROUS AS THE STRONG 
  WINDS AND HEAVY SNOW COMBINE TO PRODUCE WHITEOUT CONDITIONS. 

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.

&&

$$

WYZ001-211000-
/O.UPG.KRIW.WS.A.0002.120121T0600Z-120122T0600Z/
/O.NEW.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
236 PM MST FRI JAN 20 2012

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11
PM THIS EVENING TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS
NO LONGER IN EFFECT.

* SUMMARY AND TIMING...LIGHT SNOW WILL INCREASE THROUGH THE
  EVENING WITH MODERATE TO HEAVY SNOW POSSIBLE BY MIDNIGHT
  TONIGHT. THE MODERATE TO HEAVY SNOW COULD CONTINUE THROUGH
  SATURDAY EVENING.

* SNOW ACCUMULATIONS...3 TO 6 INCHES IN THE NORTH WITH 8 TO 12 
  INCHES IN THE MOUNTAINS...AND LOCALLY HIGHER AMOUNTS 
  APPROACHING 18 INCHES POSSIBLE IN THE SOUTH. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 
  IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  SATURDAY EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS. 

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.

&&

$$

WYZ014-025-211000-
/O.UPG.KRIW.WS.A.0002.120121T0600Z-120122T0600Z/
/O.NEW.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
236 PM MST FRI JAN 20 2012

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
11 PM THIS EVENING TO 11 PM MST SATURDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.

* SUMMARY AND TIMING...LIGHT SNOW WILL INCREASE THIS EVENING WITH
  MODERATE TO HEAVY SNOW POSSIBLE BY MIDNIGHT TONIGHT. THE
  MODERATE TO HEAVY SNOW COULD CONTINUE THROUGH SATURDAY EVENING.

* SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS APPROACHING 18 INCHES POSSIBLE ABOVE 9500 FEET. 
  SNOWFALL AROUND 4 INCHES AT PINEDALE INCREASING TO NEAR A FOOT 
  AROUND BONDURANT IS EXPECTED IN THE LOWER ELEVATIONS. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  SATURDAY EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS AROUND 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.

&&

$$

WYZ002-211000-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
ABSAROKA MOUNTAINS-
236 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL INCREASE LATE THIS EVENING 
  ALONG WITH INCREASING WIND. MODERATE TO HEAVY SNOW WILL BE 
  POSSIBLE THROUGH SATURDAY...TAPERING OFF THROUGH THE EVENING 
  HOURS. 

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE WEST WITH 6 
  INCHES OR LESS IN THE EAST IS POSSIBLE. 

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT. 

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.

&&

$$

WYZ015-211000-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
WIND RIVER MOUNTAINS EAST-
236 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL INCREASE LATE THIS EVENING 
  ALONG WITH INCREASING WIND. MODERATE TO HEAVY SNOW WILL BE 
  POSSIBLE THROUGH SATURDAY...TAPERING OFF THROUGH THE EVENING 
  HOURS. 

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE NORTH TOWARDS 
  TOGWOTEE PASS WITH 6 INCHES OR LESS AROUND SOUTH PASS IS 
  POSSIBLE. 

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT ESPECIALLY TOWARDS TOGWOTEE PASS AND OVER 
  SOUTH 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.

&&

$$

WYZ027-211000-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
236 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL INCREASE LATE THIS EVENING 
  ALONG WITH INCREASING WIND. MODERATE SNOW WILL BE POSSIBLE 
  THROUGH SATURDAY...AND COULD MIX WITH RAIN AT TIMES IN THE 
  AFTERNOON. THE SNOW IS EXPECTED TO TAPER OFF THROUGH THE 
  EVENING HOURS. 

* SNOW ACCUMULATIONS...SNOWFALL OF 2 TO 5 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT.

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.

&&

$$

WYZ028>030-211000-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
236 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL INCREASE LATE THIS EVENING 
  ALONG WITH INCREASING WIND. MODERATE SNOW WILL BE POSSIBLE 
  THROUGH SATURDAY...AND COULD MIX WITH RAIN AT TIMES IN THE 
  AFTERNOON. THE SNOW IS EXPECTED TO TAPER OFF THROUGH THE 
  EVENING HOURS. 

* SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT ESPECIALLY ALONG 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.

&&

$$

C.BAKER
5 follow-up statements
434 
WWUS45 KRIW 210333
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
833 PM MST FRI JAN 20 2012

...ANOTHER WINTER STORM APPROACHES THE WEST TONIGHT AND WILL
CONTINUE INTO SATURDAY EVENING...

.ANOTHER PACIFIC STORM SYSTEM WILL CONTINUE TO APPROACH THE WEST
TONIGHT...WITH ANOTHER ROUND OF STRONG WIND AND HEAVY SNOW
EXPECTED. ONE TO 2 FEET OF SNOW IS EXPECTED IN THE TETONS AND
GROS VENTRES...AS WELL AS IN THE SALT RIVER AND WYOMING RANGES
THROUGH SATURDAY EVENING. HEAVY SNOW WILL ALSO OCCUR IN THE
SOUTHERN QUARTER OF YELLOWSTONE NATIONAL PARK AND ACROSS THE WEST
SLOPES OF THE WIND RIVER RANGE AND THE PINEDALE FOOTHILLS. THERE
ALSO COULD BE WIND GUSTS IN EXCESS OF 50 MPH WITH THE
SNOW...REDUCING VISIBILITY IN SNOW AND BLOWING SNOW AT TIMES.

WYZ012-013-211215-
/O.CON.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
833 PM MST FRI JAN 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE
  THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED BETWEEN
  4 AM AND 10 AM SATURDAY. 

* SNOW ACCUMULATIONS...5 TO 10 INCHES WITH LOCALLY HIGHER 
  AMOUNTS IN THE NORTH AROUND MORAN IN JACKSON HOLE. THE 
  MOUNTAINS MAY SEE 10 TO 15 INCHES WITH LOCALLY HIGHER AMOUNTS 
  APPROACHING 24 INCHES POSSIBLE ALONG WEST TO SOUTHWESTERN 
  FACING SLOPES. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 30 MPH WITH HIGHER 
  GUSTS CAUSING BLOWING SNOW AND VISIBILITY NEAR A QUARTER MILE 
  AT TIMES. 

* IMPACTS...AS OF 8 PM FRIDAY EVENING...SOUTH PASS REMAINS CLOSED
  DUE TO MULTIPLE AVALANCHE SLIDES. THEIR IS NO ESTIMATE WHEN IT
  WILL REOPEN.

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.

&&

$$

WYZ023-024-211215-
/O.CON.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE
833 PM MST FRI JAN 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE
  THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED BETWEEN
  4 AM AND 10 AM SATURDAY. THE SNOW MAY MIX WITH OR TURN TO RAIN
  AT TIMES ACROSS STAR VALLEY.

* SNOW ACCUMULATIONS...5 TO 10 INCHES IN THE STAR VALLEY WITH 
  LOCALLY HIGHER AMOUNTS IN THE NORTH AROUND ALPINE. IN THE 
  MOUNTAINS 8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS 
  APPROACHING 18 INCHES IS POSSIBLE ALONG WEST TO SOUTHWESTERN 
  FACING SLOPES. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL...ESPECIALLY OVER SALT
  RIVER PASS...MAY BECOME EXTREMELY TREACHEROUS AS THE STRONG
  WINDS AND HEAVY SNOW COMBINE TO PRODUCE LIMITED VISIBILITY.

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.

&&

$$

WYZ001-211215-
/O.CON.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
833 PM MST FRI JAN 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL CONTINUE TO OVERSPREAD
  YELLOWSTONE EARLY TONIGHT...BECOMING HEAVY AT TIMES AFTER
  MIDNIGHT. THE HEAVIEST SNOWFALL IS EXPECTED BETWEEN 4 AM AND 10
  AM SATURDAY...AND MAINLY IMPACT THE SOUTHWEST QUARTER OF THE PARK.

* SNOW ACCUMULATIONS...2 TO 4 INCHES IN THE NORTH WITH 8 TO 12
  INCHES IN THE MOUNTAINS...AND LOCALLY HIGHER AMOUNTS APPROACHING
  18 INCHES POSSIBLE IN THE SOUTH.

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 
  IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  SATURDAY EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS. 

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.

&&

$$

WYZ014-025-211215-
/O.CON.KRIW.WS.W.0002.120121T0600Z-120122T0600Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
833 PM MST FRI JAN 20 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...LIGHT SNOW WILL DEVELOP BETWEEN 10 PM AND 2
  AM IN MOST PLACES. SNOW WILL THEN BECOME HEAVY AT TIMES THROUGH
  SATURDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
  BETWEEN 5 AM AND NOON.

* SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS APPROACHING 18 INCHES POSSIBLE ABOVE 9500 FEET. 
  SNOWFALL AROUND 4 INCHES AT PINEDALE INCREASING TO NEAR A FOOT 
  AROUND BONDURANT IS EXPECTED IN THE LOWER ELEVATIONS. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  SATURDAY EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS AROUND 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.

&&

$$

WYZ002-211215-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
ABSAROKA MOUNTAINS-
833 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL INCREASE TOWARDS MIDNIGHT ALONG WITH
  INCREASING WIND. MODERATE TO HEAVY SNOW WILL BE POSSIBLE THROUGH
  SATURDAY...TAPERING OFF THROUGH THE EVENING HOURS.

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE WEST WITH 6
  INCHES OR LESS IN THE EAST.

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT. 

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.

&&

$$

WYZ015-211215-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
WIND RIVER MOUNTAINS EAST-
833 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL INCREASE TOWARDS MIDNIGHT ALONG
  WITH INCREASING WIND. MODERATE TO HEAVY SNOW WILL BE POSSIBLE
  THROUGH SATURDAY...TAPERING OFF THROUGH THE EVENING HOURS.

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE NORTH TOWARDS 
  TOGWOTEE PASS WITH 6 INCHES OR LESS AROUND SOUTH PASS IS 
  POSSIBLE. 

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT ESPECIALLY TOWARDS TOGWOTEE PASS AND OVER 
  SOUTH 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.

&&

$$

WYZ027-211215-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
833 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...SNOW WILL BEGIN TO DEVELOP AFTER
  MIDNIGHT...AND COULD BE HEAVY AT TIMES SATURDAY. THE HEAVIEST
  SNOWFALL IS EXPECTED BETWEEN 8 AM AND 2 PM SATURDAY. THE SNOW IS
  THEN EXPECTED TO TAPER OFF SATURDAY EVENING. THE SNOW MAY MIX
  WITH OR TURN TO RAIN AT TIMES ACROSS THE LOWER ELEVATIONS.

* SNOW ACCUMULATIONS...SNOWFALL OF 2 TO 5 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT. 

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.

&&

$$

WYZ028>030-211215-
/O.CON.KRIW.WW.Y.0003.120121T0600Z-120122T0600Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
833 PM MST FRI JAN 20 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS
EVENING TO 11 PM MST SATURDAY. 

* SUMMARY AND TIMING...AREAS OF SNOW WILL BEGIN TO DEVELOP AFTER
  MIDNIGHT...BUT WIDESPREAD SNOW IS NOT EXPECTED UNTIL AFTER
  SUNRISE SATURDAY. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR
  BETWEEN 9 AM AND 3 PM SATURDAY. THE SNOW IS THEN EXPECTED TO
  TAPER OFF SATURDAY EVENING. THE SNOW MAY MIX WITH OR TURN TO
  RAIN AT TIMES ACROSS SWEETWATER COUNTY.

* SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER
  GUSTS SATURDAY AFTERNOON AND EVENING...WILL CAUSE BLOWING AND
  DRIFTING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES.

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT ESPECIALLY ALONG 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.

&&

$$

21
641 
WWUS45 KRIW 210955
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
255 AM MST SAT JAN 21 2012

...WINTRY CONDITIONS IN THE WEST EXPECTED THROUGH THE EVENING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE WEST TODAY AND 
TONIGHT...WITH ANOTHER ROUND OF STRONG WIND AND HEAVY SNOW
EXPECTED...WITH A RAIN AND SNOW MIX ACROSS THE LOWER ELEVATIONS. 
ONE TO 2 FEET OF SNOW IS EXPECTED IN THE TETONS AND GROS
VENTRES...AS WELL AS IN THE SALT RIVER AND WYOMING RANGES THROUGH
THIS EVENING. HEAVY SNOW WILL ALSO OCCUR IN THE SOUTHERN
QUARTER OF YELLOWSTONE NATIONAL PARK AND ACROSS THE WEST SLOPES OF
THE WIND RIVER RANGE AND THE PINEDALE FOOTHILLS. THERE ALSO COULD
BE WIND GUSTS IN EXCESS OF 50 MPH WITH THE SNOW...REDUCING
VISIBILITY IN SNOW AND BLOWING SNOW AT TIMES ACROSS HIGHER
ELEVATIONS.

WYZ012-013-212230-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
255 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...MIXING WITH RAIN
  AT TIMES IN THE LOWER ELEVATIONS...WILL CONTINUE THROUGH THIS
  EVENING. THE HEAVIEST SNOW IS EXPECTED THROUGH 10 AM THIS
  MORNING.

* SNOW ACCUMULATIONS...4 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS
  IN THE NORTH AROUND MORAN AND MOOSE. THE MOUNTAINS MAY SEE 10 TO
  15 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 24 INCHES
  POSSIBLE ALONG WEST TO SOUTHWESTERN FACING SLOPES.

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 30 MPH WITH HIGHER
  GUSTS OVER HIGHER ELEVATIONS CAUSING BLOWING SNOW AND
  VISIBILITY NEAR A QUARTER MILE AT TIMES.

* IMPACTS...AS OF 3 AM SUNDAY MORNING...TETON PASS REMAINS CLOSED
  DUE TO MULTIPLE AVALANCHE SLIDES. THERE IS NO ESTIMATE WHEN IT
  WILL REOPEN.

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.

&&

$$

WYZ023-024-212230-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE
255 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...MIXING WITH RAIN AT
  TIMES IN THE LOWER ELEVATIONS...WILL CONTINUE THROUGH THIS
  EVENING. THE HEAVIEST SNOW IS EXPECTED THROUGH 10 AM THIS
  MORNING.

* SNOW ACCUMULATIONS...2 TO 6 INCHES IN THE STAR VALLEY WITH
  LOCALLY HIGHER AMOUNTS APPROACHING 10 INCHES IN THE NORTH AROUND
  ALPINE. IN THE MOUNTAINS 8 TO 12 INCHES WITH LOCALLY HIGHER
  AMOUNTS APPROACHING 18 INCHES IS POSSIBLE ALONG WEST TO
  SOUTHWESTERN FACING SLOPES.

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER
  GUSTS. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES
  OVER HIGHER ELEVATIONS.

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL...ESPECIALLY OVER SALT 
  RIVER PASS...MAY BECOME EXTREMELY TREACHEROUS AS THE STRONG 
  WINDS AND HEAVY SNOW COMBINE TO PRODUCE LIMITED VISIBILITY. 

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.

&&

$$

WYZ001-212230-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
255 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TO
  ACCUMULATE THROUGH THE EVENING. THE HEAVIEST SNOWFALL IS
  EXPECTED BETWEEN 4 AM AND 10 AM THIS MORNING...AND WILL MAINLY
  IMPACT THE SOUTHWEST QUARTER OF THE PARK.

* SNOW ACCUMULATIONS...2 TO 4 INCHES IN THE NORTH WITH 8 TO 12 
  INCHES IN THE MOUNTAINS...AND LOCALLY HIGHER AMOUNTS 
  APPROACHING 18 INCHES POSSIBLE IN THE SOUTH. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 
  IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  THIS EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS. 

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.

&&

$$

WYZ014-025-212230-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
255 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW WILL BECOME HEAVY AT TIMES THROUGH
  THIS EVENING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR BETWEEN
  5 AM AND NOON.

* SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS APPROACHING 18 INCHES POSSIBLE ABOVE 9500 FEET. 
  SNOWFALL AROUND 4 INCHES AT PINEDALE INCREASING TO NEAR A FOOT 
  AROUND BONDURANT IS EXPECTED IN THE LOWER ELEVATIONS. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  THIS EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS AROUND 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.

&&

$$

WYZ002-212230-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ABSAROKA MOUNTAINS-
255 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL BE POSSIBLE
  THROUGH THE DAY...TAPERING OFF DURING THE EVENING HOURS.

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE WEST WITH 6 
  INCHES OR LESS IN THE EAST. 

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT. 

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.

&&

$$

WYZ015-212230-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS EAST-
255 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL BE POSSIBLE
  THROUGH THE DAY...TAPERING OFF DURING THE EVENING HOURS.

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE NORTH TOWARDS
  TOGWOTEE PASS AND ALONG THE HIGHER ELEVATIONS WITH 5 TO 8
  INCHES AROUND SOUTH PASS IS POSSIBLE.

* WIND AND VISIBILITY...SOUTHWEST WINDS OF 30 TO 40 MPH WITH
  HIGHER GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH
  VISIBILITY BELOW A QUARTER MILE AT TIMES.

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT ESPECIALLY TOWARDS TOGWOTEE PASS AND OVER 
  SOUTH 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.

&&

$$

WYZ027-212230-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
255 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW COULD BE HEAVY AT TIMES TODAY. THE
  HEAVIEST SNOWFALL IS EXPECTED BETWEEN 8 AM AND 2 PM. THE SNOW
  IS THEN EXPECTED TO TAPER OFF THIS EVENING. THE SNOW MAY MIX
  WITH OR TURN TO RAIN AT TIMES ACROSS THE LOWER ELEVATIONS.

* SNOW ACCUMULATIONS...SNOWFALL OF 2 TO 5 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER
  GUSTS MAY CAUSE BLOWING AND DRIFTING SNOW AT TIMES.

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT. 

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.

&&

$$

WYZ028>030-212230-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
255 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...AREAS OF SNOW WILL BECOME WIDESPREAD AFTER
  SUNRISE. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR BETWEEN 9 AM
  AND 3 PM. THE SNOW IS THEN EXPECTED TO TAPER OFF THIS EVENING.
  THE SNOW MAY MIX WITH OR TURN TO RAIN AT TIMES ACROSS SWEETWATER
  COUNTY.

* SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER
  GUSTS SATURDAY AFTERNOON AND EVENING...WILL CAUSE BLOWING AND
  DRIFTING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES OVER
  HIGHER ELEVATIONS.

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT ESPECIALLY ALONG 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.

&&

$$
607 
WWUS45 KRIW 211308
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
608 AM MST SAT JAN 21 2012

...WINTRY CONDITIONS IN THE WEST EXPECTED THROUGH THE EVENING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE WEST TODAY AND
TONIGHT...WITH ANOTHER ROUND OF STRONG WIND AND HEAVY SNOW
EXPECTED...WITH A RAIN AND SNOW MIX ACROSS THE LOWER ELEVATIONS.
ONE TO 2 FEET OF SNOW IS EXPECTED IN THE TETONS AND GROS
VENTRES...AS WELL AS IN THE SALT RIVER AND WYOMING RANGES THROUGH
THIS EVENING. HEAVY SNOW WILL ALSO OCCUR IN THE SOUTHERN QUARTER
OF YELLOWSTONE NATIONAL PARK AND ACROSS THE WEST SLOPES OF THE
WIND RIVER RANGE AND THE PINEDALE FOOTHILLS. THERE ALSO COULD BE
WIND GUSTS IN EXCESS OF 50 MPH WITH THE SNOW...REDUCING
VISIBILITY IN SNOW AND BLOWING SNOW AT TIMES ACROSS HIGHER
ELEVATIONS.

WYZ012-013-212300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
608 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...MIXING WITH RAIN 
  AT TIMES IN THE LOWER ELEVATIONS...WILL CONTINUE THROUGH THIS 
  EVENING. THE HEAVIEST SNOW IS EXPECTED THROUGH 10 AM THIS 
  MORNING. 

* SNOW ACCUMULATIONS...4 TO 10 INCHES WITH LOCALLY HIGHER 
  AMOUNTS IN THE NORTH AROUND MORAN AND MOOSE. THE MOUNTAINS MAY 
  SEE 10 TO 15 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 24 
  INCHES POSSIBLE ALONG WEST TO SOUTHWESTERN FACING SLOPES. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 30 MPH WITH HIGHER 
  GUSTS OVER HIGHER ELEVATIONS CAUSING BLOWING SNOW AND 
  VISIBILITY NEAR A QUARTER MILE AT TIMES. 

* IMPACTS...AS OF 3 AM SUNDAY MORNING...TETON PASS REMAINS 
  CLOSED DUE TO MULTIPLE AVALANCHE SLIDES. THERE IS NO ESTIMATE 
  WHEN IT WILL REOPEN. 

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.

&&

$$

WYZ023-024-212300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE
608 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...MIXING WITH RAIN 
  AT TIMES IN THE LOWER ELEVATIONS...WILL CONTINUE THROUGH THIS 
  EVENING. THE HEAVIEST SNOW IS EXPECTED THROUGH 10 AM THIS 
  MORNING. 

* SNOW ACCUMULATIONS...2 TO 6 INCHES IN THE STAR VALLEY WITH 
  LOCALLY HIGHER AMOUNTS APPROACHING 10 INCHES IN THE NORTH 
  AROUND ALPINE. IN THE MOUNTAINS 8 TO 12 INCHES WITH LOCALLY 
  HIGHER AMOUNTS APPROACHING 18 INCHES IS POSSIBLE ALONG WEST TO 
  SOUTHWESTERN FACING SLOPES. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES 
  OVER HIGHER ELEVATIONS. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL...ESPECIALLY OVER SALT 
  RIVER PASS...MAY BECOME EXTREMELY TREACHEROUS AS THE STRONG 
  WINDS AND HEAVY SNOW COMBINE TO PRODUCE LIMITED VISIBILITY. 

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.

&&

$$

WYZ001-212300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
608 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE TO 
  ACCUMULATE THROUGH THE EVENING. THE HEAVIEST SNOWFALL IS 
  EXPECTED BETWEEN 4 AM AND 10 AM THIS MORNING...AND WILL MAINLY 
  IMPACT THE SOUTHWEST QUARTER OF THE PARK. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES IN THE NORTH WITH 8 TO 12 
  INCHES IN THE MOUNTAINS...AND LOCALLY HIGHER AMOUNTS 
  APPROACHING 18 INCHES POSSIBLE IN THE SOUTH. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS 
  IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY THIS 
  EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS. 

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.

&&

$$

WYZ014-025-212300-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
608 AM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW WILL BECOME HEAVY AT TIMES THROUGH 
  THIS EVENING. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR 
  BETWEEN 5 AM AND NOON. 

* SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER 
  AMOUNTS APPROACHING 18 INCHES POSSIBLE ABOVE 9500 FEET. 
  SNOWFALL AROUND 4 INCHES AT PINEDALE INCREASING TO NEAR A FOOT 
  AROUND BONDURANT IS EXPECTED IN THE LOWER ELEVATIONS. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  THIS EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS AROUND 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.

&&

$$

WYZ026-212300-
/O.EXB.KRIW.WW.Y.0003.000000T0000Z-120122T0000Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
608 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST
THIS AFTERNOON.

* SUMMARY AND TIMING...AREAS OF MODERATE TO LOCALLY HEAVY SNOW
  WILL CONTINUE THROUGH THE MORNING. THE SNOW WILL GRADUALLY TAPER
  OFF THROUGH THE AFTERNOON.  

* SNOW ACCUMULATIONS...3 TO 5 INCHES.

* WIND AND VISIBILITY...ONE-QUARTER TO ONE-HALF MILE IN SNOW THIS
  MORNING. WEST WIND AT 15 TO 25 MPH IN THE AFTERNOON WILL CAUSE
  AREAS OF BLOWING SNOW AND VISIBILITY BELOW ONE-QUARTER MILE AT
  TIMES.  

* IMPACTS...HEAVY WET SNOW WILL COVER ROADS AND HIGHWAYS THIS
  MORNING CAUSING VERY SLICK CONDITIONS.  

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.

&&

$$

WYZ002-212300-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ABSAROKA MOUNTAINS-
608 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL BE POSSIBLE 
  THROUGH THE DAY...TAPERING OFF DURING THE EVENING HOURS. 

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE WEST WITH 6 
  INCHES OR LESS IN THE EAST. 

* WIND AND VISIBILITY...WEST WINDS OF 30 TO 40 MPH WITH HIGHER 
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY 
  BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT. 

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.

&&

$$

WYZ015-212300-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS EAST-
608 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL BE POSSIBLE 
  THROUGH THE DAY...TAPERING OFF DURING THE EVENING HOURS. 

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE NORTH TOWARDS 
  TOGWOTEE PASS AND ALONG THE HIGHER ELEVATIONS WITH 5 TO 8 
  INCHES AROUND SOUTH PASS IS POSSIBLE. 

* WIND AND VISIBILITY...SOUTHWEST WINDS OF 30 TO 40 MPH WITH 
  HIGHER GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH 
  VISIBILITY BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT ESPECIALLY TOWARDS TOGWOTEE PASS AND OVER 
  SOUTH 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.

&&

$$

WYZ027-212300-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
608 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW COULD BE HEAVY AT TIMES TODAY. THE 
  HEAVIEST SNOWFALL IS EXPECTED BETWEEN 8 AM AND 2 PM. THE SNOW 
  IS THEN EXPECTED TO TAPER OFF THIS EVENING. THE SNOW MAY MIX 
  WITH OR TURN TO RAIN AT TIMES ACROSS THE LOWER ELEVATIONS. 

* SNOW ACCUMULATIONS...SNOWFALL OF 2 TO 5 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS MAY CAUSE BLOWING AND DRIFTING SNOW AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT. 

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.

&&

$$

WYZ028>030-212300-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
608 AM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...AREAS OF SNOW WILL BECOME WIDESPREAD 
  AFTER SUNRISE. THE HEAVIEST SNOWFALL IS EXPECTED TO OCCUR 
  BETWEEN 9 AM AND 3 PM. THE SNOW IS THEN EXPECTED TO TAPER OFF 
  THIS EVENING. THE SNOW MAY MIX WITH OR TURN TO RAIN AT TIMES 
  ACROSS SWEETWATER COUNTY. 

* SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS SATURDAY AFTERNOON AND EVENING...WILL CAUSE BLOWING AND 
  DRIFTING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES 
  OVER HIGHER ELEVATIONS. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT ESPECIALLY ALONG 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.

&&

$$
268 
WWUS45 KRIW 212206
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
306 PM MST SAT JAN 21 2012

...WINTRY CONDITIONS IN THE WEST EXPECTED THROUGH THE EVENING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE WEST INTO THE
EVENING HOURS BEFORE TAPERING OFF AROUND 11 PM MST AS THE STORM
MOVES EAST.

WYZ001-212315-
/O.CAN.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
306 PM MST SAT JAN 21 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER
STORM WARNING. 

THE SNOW HAS DECREASED ACROSS MOST OF YELLOWSTONE NATIONAL PARK
THIS AFTERNOON. SNOWFALL OF 3 TO 6 INCHES WILL REMAIN POSSIBLE IN
THE SOUTH THROUGH THIS EVENING. IN THE NORTH ACCUMULATIONS ARE
EXPECTED TO BE LESS THAN 2 INCHES.

$$

WYZ002-212315-
/O.CAN.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ABSAROKA MOUNTAINS-
306 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE SNOW HAS DECREASED ACROSS MOST OF THE ABSAROKA MOUNTAINS THIS
AFTERNOON. SNOWFALL OF 3 TO 6 INCHES WILL REMAIN POSSIBLE IN THE
SOUTH THROUGH THIS EVENING. IN THE NORTH ACCUMULATIONS ARE
EXPECTED TO BE LESS THAN 2 INCHES. 

$$

WYZ012-013-220600-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
306 PM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...MIXING WITH RAIN AT
  TIMES IN THE LOWER ELEVATIONS...WILL CONTINUE THROUGH THIS
  EVENING. 

* SNOW ACCUMULATIONS...4 TO 10 INCHES WITH LOCALLY HIGHER 
  AMOUNTS IN THE NORTH AROUND MORAN AND MOOSE. THE MOUNTAINS MAY 
  SEE 10 TO 15 INCHES WITH LOCALLY HIGHER AMOUNTS APPROACHING 24 
  INCHES POSSIBLE ALONG WEST TO SOUTHWESTERN FACING SLOPES. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 25 TO 30 MPH WITH HIGHER 
  GUSTS OVER HIGHER ELEVATIONS CAUSING BLOWING SNOW AND 
  VISIBILITY NEAR A QUARTER MILE AT TIMES. 

* IMPACTS...ROADS WILL BE SLICK AND SNOW PACKED WITH VERY POOR VISIBILITY
  IN SNOW AND FOG.

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.

&&

$$

WYZ023-024-220600-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE
306 PM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW...HEAVY AT TIMES...MIXING WITH RAIN AT
  TIMES IN THE LOWER ELEVATIONS...WILL CONTINUE THROUGH THIS
  EVENING.

* SNOW ACCUMULATIONS...2 TO 6 INCHES IN THE STAR VALLEY WITH 
  LOCALLY HIGHER AMOUNTS APPROACHING 10 INCHES IN THE NORTH 
  AROUND ALPINE. IN THE MOUNTAINS 8 TO 12 INCHES WITH LOCALLY 
  HIGHER AMOUNTS APPROACHING 18 INCHES IS POSSIBLE ALONG WEST TO 
  SOUTHWESTERN FACING SLOPES. 

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS. VISIBILITY WILL BE REDUCED TO A QUARTER MILE AT TIMES 
  OVER HIGHER ELEVATIONS. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL...ESPECIALLY OVER SALT 
  RIVER PASS...MAY BECOME EXTREMELY TREACHEROUS AS THE STRONG 
  WINDS AND HEAVY SNOW COMBINE TO PRODUCE LIMITED VISIBILITY. 

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.

&&

$$

WYZ014-025-220600-
/O.CON.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
306 PM MST SAT JAN 21 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH THIS
  EVENING. 

* SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS
  APPROACHING 18 INCHES POSSIBLE ABOVE 9500 FEET. SNOWFALL AROUND
  6 INCHES AT PINEDALE INCREASING TO NEAR A FOOT AROUND BONDURANT
  IS EXPECTED IN THE LOWER ELEVATIONS.

* WIND AND VISIBILITY...SOUTHWEST WINDS 20 TO 30 MPH WITH HIGHER 
  GUSTS IN EXCESS OF 50 MPH OVER HIGHER PEAKS...BECOMING WEST BY 
  THIS EVENING. VISIBILITY WILL BE REDUCED TO NEAR ZERO AT 
  TIMES. 

* IMPACTS...OUTDOOR ACTIVITIES AND TRAVEL MAY BECOME EXTREMELY 
  TREACHEROUS AS THE STRONG WINDS AND HEAVY SNOW COMBINE TO 
  PRODUCE WHITEOUT CONDITIONS AROUND 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.

&&

$$

WYZ026-220600-
/O.EXT.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
306 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...AREAS OF MODERATE TO LOCALLY HEAVY SNOW
  WILL CONTINUE THROUGH THE EVENING. THE SNOW WILL GRADUALLY TAPER
  OFF BY 11 PM MST.

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WIND AND VISIBILITY...A QUARTER TO ONE HALF MILE IN SNOW AND
  FOG. WEST WIND AT 15 TO 25 MPH WILL CAUSE AREAS OF BLOWING SNOW
  AND VISIBILITY BELOW A QUARTER MILE AT TIMES.

* IMPACTS...HEAVY WET SNOW WILL COVER ROADS AND HIGHWAYS CAUSING
  VERY SLICK CONDITIONS.

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.

&&

$$

WYZ015-220600-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS EAST-
306 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL BE POSSIBLE
  THROUGH THE EVENING...TAPERING OFF BY 11 PM MST.

* SNOW ACCUMULATIONS...SNOWFALL NEAR A FOOT IN THE NORTH TOWARDS 
  TOGWOTEE PASS AND ALONG THE HIGHER ELEVATIONS WITH 5 TO 8 
  INCHES AROUND SOUTH PASS IS POSSIBLE. 

* WIND AND VISIBILITY...SOUTHWEST WINDS OF 30 TO 40 MPH WITH 
  HIGHER GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH 
  VISIBILITY BELOW A QUARTER MILE AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY IN THE MOUNTAINS 
  MAY BECOME DIFFICULT ESPECIALLY TOWARDS TOGWOTEE PASS AND OVER 
  SOUTH 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.

&&

$$

WYZ027-220600-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
306 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...SNOW COULD BE HEAVY AT TIMES THIS EVENING.
  THE SNOW IS THEN EXPECTED TO TAPER OFF BY 11 PM MST.

* SNOW ACCUMULATIONS...SNOWFALL OF 2 TO 5 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS MAY CAUSE BLOWING AND DRIFTING SNOW AT TIMES. 

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT. 

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.

&&

$$

WYZ028>030-220600-
/O.CON.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
306 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...AREAS OF SNOW WILL CONTINUE THROUGH THE 
  EVENING TAPERING OFF AROUND 11 PM MST.

* SNOW ACCUMULATIONS...SNOWFALL OF 3 TO 6 INCHES IS POSSIBLE.

* WIND AND VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH HIGHER
  GUSTS WILL CAUSE BLOWING AND DRIFTING SNOW WITH VISIBILITY BELOW
  A QUARTER MILE AT TIMES.

* IMPACTS...TRAVEL AND OTHER OUTDOOR ACTIVITY MAY BECOME 
  DIFFICULT ESPECIALLY ALONG 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.

&&

$$

C.BAKER
262 
WWUS45 KRIW 220556
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1056 PM MST SAT JAN 21 2012

WYZ012-013-220700-
/O.EXP.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
1056 PM MST SAT JAN 21 2012

...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING...

THE WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING.
SOME LIGHT SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE
NIGHT...BUT ADDITIONAL SNOWFALL IS EXPECTED TO BE LIGHT.
HIGHWAYS...ESPECIALLY OVER MOUNTAIN PASSES WILL BE SNOWPACKED AND
SLICK TONIGHT.

$$

WYZ023-024-220700-
/O.EXP.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE
1056 PM MST SAT JAN 21 2012

...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING...

THE WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING. SOME
LIGHT SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE NIGHT...BUT
ADDITIONAL SNOWFALL WILL BE LIGHT. HIGHWAYS...ESPECIALLY OVER
MOUNTAIN PASSES WILL BE SNOWPACKED AND SLICK TONIGHT.

$$

WYZ014-025-220700-
/O.EXP.KRIW.WS.W.0002.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITY OF...PINEDALE
1056 PM MST SAT JAN 21 2012

...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING...

THE WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING.
SOME LIGHT SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE
NIGHT...BUT ADDITIONAL SNOWFALL WILL BE LIGHT. HIGHWAYS...ESPECIALLY
OVER MOUNTAIN PASSES WILL BE SNOWPACKED AND SLICK TONIGHT.

$$

WYZ015-220700-
/O.EXP.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
WIND RIVER MOUNTAINS EAST-
1056 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING. SOME LIGHT SNOW WILL CONTINUE THROUGH THE REMAINDER OF THE
NIGHT...BUT ADDITIONAL SNOWFALL WILL BE LIGHT. HIGHWAYS...ESPECIALLY
OVER MOUNTAIN PASSES WILL BE SNOWPACKED AND SLICK TONIGHT.

$$

WYZ027-220700-
/O.EXP.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
1056 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING. LIGHT SNOW WILL COME TO AN END SHORTLY AFTER
MIDNIGHT...BUT ROADS WILL REMAIN SLICK AND SNOWPACKED IN SPOTS.
ALSO BREEZY WESTERLY WINDS WILL RESULT IN SOME BLOWING SNOW AND
WIND CHILLS NEAR ZERO.

$$

WYZ028>030-220700-
/O.EXP.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1056 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING. LIGHT SNOW WILL COME TO AN END SHORTLY AFTER
MIDNIGHT...BUT ROADS WILL REMAIN SLICK AND SNOWPACKED IN SPOTS.
ALSO BREEZY WESTERLY WINDS WILL RESULT IN SOME BLOWING SNOW AND
WIND CHILLS NEAR ZERO.

$$

WYZ026-220700-
/O.EXP.KRIW.WW.Y.0003.000000T0000Z-120122T0600Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
1056 PM MST SAT JAN 21 2012

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM MST THIS
EVENING. 

$$

21

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 20, 2:22 AM MSTWinter Storm WatchRIWFremont, Lincoln, Park, Sublette, Teton12 hr
Jan 20, 9:54 AM MSTWinter Weather AdvisoryRIWFremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater37 hr
Jan 20, 1:42 PM MSTHigh Wind WatchRIWFremont, Natrona, Sweetwater6 hr

Nearby

Winter Storm Warnings in Wyoming, 2012Every winter storm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.