Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 30, NWS Riverton, WY

December 29, 20118 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Dec 29, 2011, 8:45 PM MST for 8 counties in Wyoming. It took effect at Dec 30, 2011, 5:00 AM MST. It was in force for 31 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
Dec 29, 2011, 8:45 PM MST (03:45 UTC)
In effect from
Dec 30, 2011, 5:00 AM MST
Expired
Dec 31, 2011, 12:00 PM MST
In force
31 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Washakie County, WY

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 03:44 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
Dec 31, 4:34 AM MSTSNOW 216 Ne Dubois, WYCASTLE CREEK SNOTEL
Dec 31, 4:34 AM MSTHEAVY SNOW 711 N Dubois, WYBURROUGHS CREEK SNOTEL
Dec 31, 4:34 AM MSTHEAVY SNOW 1121 W Clark, WYBEARTOOTH LAKE SNOTEL
Dec 31, 4:35 AM MSTSNOW 226 Wsw Clark, WYWOLVERINE SNOTEL
Dec 31, 4:35 AM MSTSNOW 318 Sw Cody, WYMARQUETTE SNOTEL
Dec 31, 4:35 AM MSTSNOW 330 Sw Meeteetse, WYKIRWIN SNOTEL
Dec 31, 4:35 AM MSTSNOW 556 Sw Cody, WYYOUNTS PEAK SNOTEL
Dec 31, 4:35 AM MSTHEAVY SNOW 1714 Ne Pahaska, WYEVENING STAR SNOTEL
Dec 31, 4:37 AM MSTHEAVY SNOW 614 E Bondurant, WYLOOMIS PARK SNOTEL
Dec 31, 4:39 AM MSTSNOW 118 W Lander, WYHOBBS PARK SNOTEL
Dec 31, 4:39 AM MSTSNOW 119 Ssw Lander, WYDEER PARK SNOTEL
Dec 31, 4:39 AM MSTSNOW 212 N Cora, WYNEW FORK LAKE SNOTEL
Dec 31, 4:40 AM MSTSNOW 115 Nne Cokeville, WYKELLEY RANGER STATION SNOTEL
Dec 31, 4:40 AM MSTSNOW 115 S Afton, WYSALT RIVER SUMMIT SNOTEL
Dec 31, 4:40 AM MSTSNOW 126 N Kemmerer, WYHAMS FORK SNOTEL
Dec 31, 4:40 AM MSTSNOW 236 N Kemmerer, WYINDIAN CREEK SNOTEL
Dec 31, 9:56 AM MSTSNOW 124 Sw Buffalo, WYPOWDER RIVER PASS SNOTEL
Dec 31, 9:56 AM MSTHEAVY SNOW 613 W Barnum, WYMIDDLE POWDER SNOTEL
Dec 31, 9:56 AM MSTHEAVY SNOW 1219 Wsw Wapiti, WYBLACKWATER SNOTEL
Dec 31, 9:57 AM MSTSNOW 114 Wsw Buffalo, WYHANSEN SAWMILL SNOTEL
Dec 31, 9:57 AM MSTSNOW 214 Wnw Mayoworth, WYBEAR TRAP MEADOW SNOTEL
Dec 31, 9:57 AM MSTSNOW 316 W Buffalo, WYSOLDIER PARK SNOTEL
Dec 31, 9:57 AM MSTSNOW 321 Sw Barnum, WYGRAVE SPRING SNOTEL
Dec 31, 9:57 AM MSTSNOW 327 Nw Buffalo, WYLITTLE GOOSE SNOTEL
Dec 31, 9:57 AM MSTHEAVY SNOW 617 W Buffalo, WYCLOUD PEAK RESERVOIR SNOTEL
Dec 31, 9:58 AM MSTSNOW 324 Ese Boulder, WYBIG SANDY OPENING SNOTEL
Dec 31, 9:58 AM MSTSNOW 412 Nne Pinedale, WYELKHART PARK G.S. SNOTEL
Dec 31, 9:59 AM MSTSNOW 316 E Boulder, WYPOCKET CREEK SNOTEL
Dec 31, 9:59 AM MSTSNOW 325 Sw Lander, WYLARSEN CREEK SNOTEL
Dec 31, 9:59 AM MSTSNOW 36 Wsw Dubois, WYLITTLE WARM SNOTEL
Dec 31, 9:59 AM MSTSNOW 416 Sw Dubois, WYGUNSITE PASS SNOTEL
Dec 31, 9:59 AM MSTSNOW 522 N Cora, WYKENDALL RANGER STATION SNOTEL
Dec 31, 9:59 AM MSTHEAVY SNOW 78 S Casper, WYCASPER MOUNTAIN SNOTEL
Dec 31, 10:00 AM MSTSNOW 221 W Big Piney, WYSNIDER BASIN SNOTEL
Dec 31, 10:00 AM MSTSNOW 319 Se Afton, WYSPRING CREEK DIVIDE SNOTEL
Dec 31, 10:00 AM MSTSNOW 422 Sse Casper, WYRENO HILL SNOTEL
Dec 31, 10:00 AM MSTSNOW 519 Sw Bondurant, WYBLIND BULL SUMMIT SNOTEL
Dec 31, 10:00 AM MSTHEAVY SNOW 68 Se Afton, WYCOTTONWOOD CREEK SNOTEL
Dec 31, 10:01 AM MSTSNOW 312 Ese Bondurant, WYEAST RIM DIVIDE SNOTEL
Dec 31, 10:01 AM MSTSNOW 58 Ne Afton, WYWILLOW CREEK SNOTEL
Dec 31, 10:01 AM MSTHEAVY SNOW 817 E Afton, WYTRIPLE PEAK SNOTEL
Dec 31, 10:10 AM MSTSNOW 310 Nne Riverton, WY
Dec 31, 10:20 AM MSTSNOW 14.5 Nw Riverton, WYRIVERTON ASOS
Dec 31, 10:24 AM MSTSNOW 4.5Paradise Valley, WY
Dec 31, 10:25 AM MSTSNOW 29 Sw Shoshoni, WY
Dec 31, 10:27 AM MSTSNOW 0.52 Se Riverton, WY
Dec 31, 10:27 AM MSTSNOW 4Casper, WY
Dec 31, 10:34 AM MSTSNOW 0.55 Nnw Ten Sleep, WY
Dec 31, 10:34 AM MSTSNOW 5.5Mills, WY
Dec 31, 10:35 AM MSTSNOW 0.814 Nw Pinedale, WY
Dec 31, 10:39 AM MSTSNOW 3.56 W Casper, WYCASPER AIRPORT
Dec 31, 10:50 AM MSTSNOW 1.217 Nnw Kaycee, WY
Dec 31, 10:51 AM MSTSNOW 1.527 S Ten Sleep, WY
Dec 31, 10:51 AM MSTSNOW 25 Sse Smoot, WY
Dec 31, 10:51 AM MSTSNOW 2.67 Ese Cody, WY
Dec 31, 10:51 AM MSTSNOW 2.91 Wnw Cody, WY
Dec 31, 10:52 AM MSTSNOW 42 Wsw Cody, WY
Dec 31, 10:52 AM MSTSNOW 4.75 Ese Cody, WY
Dec 31, 10:56 AM MSTSNOW 4.5Buffalo, WY
Dec 31, 10:57 AM MSTSNOW 3Buffalo, WY

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 00:00Z, 3.8 hours before the alert went out and 18 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 00:00Z on 2011-12-30Temperature 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 00:00Z on 2011-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.1939587897117136Sfc1 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
2828 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
500 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.

057 
WWUS75 KRIW 300345
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
845 PM MST THU DEC 29 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING FRIDAY INTO
SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA FRIDAY AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT AND A
TIGHTENING PRESSURE GRADIENT. THESE CONDITIONS WILL RESULT IN
STRONG TO POSSIBLY DAMAGING WINDS ACROSS PORTIONS OF CENTRAL
WYOMING FRIDAY INTO SATURDAY MORNING.

WYZ019-301615-
/O.NEW.KRIW.HW.W.0030.111230T1200Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
845 PM MST THU DEC 29 2011

...HIGH WIND WARNING IN EFFECT FROM 5 AM FRIDAY TO 6 AM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM FRIDAY TO 6 AM MST
SATURDAY. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS ARE EXPECTED FRIDAY
  AND FRIDAY NIGHT.

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH WILL BE
  COMMON...WITH GUSTS TO 60 MPH ACROSS THE TRAVEL CORRIDORS OF
  SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND
  GUSTS TO 75 MPH COULD OCCUR IN THE HIGHER TERRAIN OF THE GREEN
  AND RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED ON
  STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING FRIDAY AND FRIDAY NIGHT...AS THE BLOW OVER
RISK WILL BE ELEVATED.

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.

&&

$$

WYZ020-301615-
/O.NEW.KRIW.HW.W.0030.111230T1200Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
845 PM MST THU DEC 29 2011

...HIGH WIND WARNING IN EFFECT FROM 5 AM FRIDAY TO 6 AM MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM FRIDAY TO 6 AM MST
SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE FRIDAY MORNING...WITH
  OCCASIONAL HIGH WINDS THROUGH EARLY SATURDAY MORNING.

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH WILL BE
  COMMON...WITH GUSTS TO 65 MPH. FAVORED LOCATIONS IN SOUTHWEST
  CASPER...AND NEAR THE COMMUNITY OF HILAND WILL BE MOST
  SUSCEPTIBLE TO THE HIGH WIND.

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. TRAVEL
  CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 13 ON
  WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE VEHICLES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING FRIDAY AND FRIDAY NIGHT...AS THE BLOW OVER
RISK WILL BE ELEVATED.

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.

&&

$$

WYZ030-301615-
/O.NEW.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
845 PM MST THU DEC 29 2011

...HIGH WIND WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE FRIDAY
  NIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD FRONT
  MOVES ACROSS SWEETWATER COUNTY.

* WIND...WEST WIND BETWEEN 30 AND 45 MPH SHOULD BE COMMON ACROSS
  EASTERN SWEETWATER COUNTY FOR SEVERAL HOURS AFTER FRONTAL PASSAGE
  FRIDAY NIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA
  ROADWAYS...INCLUDING ALONG INTERSTATE 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. 

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
9 follow-up statements
986 
WWUS75 KRIW 300851
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
151 AM MST FRI DEC 30 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING FRIDAY INTO
SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA TODAY AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT AND A
TIGHTENING PRESSURE GRADIENT. THESE CONDITIONS WILL RESULT IN
STRONG TO POSSIBLY DAMAGING WINDS ACROSS MUCH OF CENTRAL AND
SOUTHERN WYOMING TODAY AND SATURDAY.

WYZ019-302230-
/O.CON.KRIW.HW.W.0030.111230T1200Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
151 AM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS ARE EXPECTED 
  TODAY AND TONIGHT. 

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH WILL BE 
  COMMON...WITH GUSTS TO 60 MPH ACROSS THE TRAVEL CORRIDORS OF 
  SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND 
  GUSTS TO 75 MPH COULD OCCUR IN THE HIGHER TERRAIN OF THE GREEN 
  AND RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET. 

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER
RISK WILL BE ELEVATED.

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.

&&

$$

WYZ020-302230-
/O.CON.KRIW.HW.W.0030.111230T1200Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
151 AM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THIS MORNING...WITH 
  OCCASIONAL HIGH WINDS THROUGH EARLY SATURDAY MORNING. 

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH WILL BE 
  COMMON...WITH GUSTS TO 65 MPH. FAVORED LOCATIONS IN SOUTHWEST 
  CASPER...AND NEAR THE COMMUNITY OF HILAND WILL BE MOST 
  SUSCEPTIBLE TO THE HIGH WIND. 

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER
RISK WILL BE ELEVATED.

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.

&&

$$

WYZ028-029-302230-
/O.EXA.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER
151 AM MST FRI DEC 30 2011

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS SWEETWATER COUNTY. 

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH HIGHER GUSTS SHOULD
  BE COMMON ACROSS SWEETWATER COUNTY FOR SEVERAL HOURS AFTER
  FRONTAL PASSAGE TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS...INCLUDING ALONG INTERSTATE 80. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ026-027-302230-
/O.EXA.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON...
KEMMERER...COKEVILLE
151 AM MST FRI DEC 30 2011

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 25 AND 40 MPH WITH GUSTS OVER 55 MPH
  SHOULD BE COMMON ACROSS THE UPPER GREEN RIVER BASIN AND
  SOUTHERN LINCOLN COUNTY FOR SEVERAL HOURS AFTER FRONTAL PASSAGE
  TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS
  AND COULD CAUSE DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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>018-302230-
/O.EXA.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-WIND RIVER BASIN-
LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER
151 AM MST FRI DEC 30 2011

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA.  

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS APPROACHING 60
  MPH SHOULD BE COMMON ACROSS THE WIND RIVER BASIN FOR SEVERAL
  HOURS AFTER FRONTAL PASSAGE TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS
  AND COULD CAUSE DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ030-302230-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
151 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS SWEETWATER COUNTY. 

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH HIGHER GUSTS SHOULD
  BE COMMON ACROSS EASTERN SWEETWATER COUNTY FOR SEVERAL HOURS
  AFTER FRONTAL PASSAGE TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS...INCLUDING ALONG INTERSTATE 80. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$
210 
WWUS75 KRIW 301533
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
833 AM MST FRI DEC 30 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING FRIDAY INTO
SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA TODAY AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT AND A
TIGHTENING PRESSURE GRADIENT. THESE CONDITIONS WILL RESULT IN
STRONG TO POSSIBLY DAMAGING WINDS ACROSS MUCH OF CENTRAL AND
SOUTHERN WYOMING TODAY AND SATURDAY.

WYZ019-310000-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
833 AM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS ARE EXPECTED TODAY 
  AND TONIGHT. 

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH ARE
  EXPECTED WITH GUSTS TO 60 MPH ACROSS THE TRAVEL CORRIDORS OF
  SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND
  GUSTS TO 75 MPH COULD OCCUR IN THE HIGHER TERRAIN OF THE GREEN
  AND RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ020-310000-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
833 AM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THIS MORNING...WITH 
  OCCASIONAL HIGH WINDS THROUGH EARLY SATURDAY MORNING. 

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH WILL BE 
  COMMON...WITH GUSTS TO 65 MPH. FAVORED LOCATIONS IN SOUTHWEST 
  CASPER...AND NEAR THE COMMUNITY OF HILAND WILL BE MOST 
  SUSCEPTIBLE TO THE HIGH WIND. 

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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>030-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
833 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS SWEETWATER COUNTY. 

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS OF 60 MPH ARE
  POSSIBLE ACROSS EASTERN SWEETWATER COUNTY FOR SEVERAL HOURS
  AFTER FRONTAL PASSAGE TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS...INCLUDING ALONG INTERSTATE 80. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ026-027-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON...
KEMMERER...COKEVILLE
833 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 25 AND 40 MPH WITH GUSTS TO 60 MPH ARE
  POSSIBLE ACROSS THE UPPER GREEN RIVER BASIN AND SOUTHERN
  LINCOLN COUNTY FOR SEVERAL HOURS AFTER FRONTAL PASSAGE TONIGHT
  INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  AND COULD CAUSE DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ016>018-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER
833 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS APPROACHING 60
  MPH ARE POSSIBLE ACROSS THE WIND RIVER BASIN FOR SEVERAL HOURS
  AFTER FRONTAL PASSAGE TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  AND COULD CAUSE DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ015-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
WIND RIVER MOUNTAINS EAST-
833 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 50 MPH WITH GUSTS APPROACHING 75
  MPH IS POSSIBLE ACROSS THE EAST SLOPE OF THE WIND RIVER
  MOUNTAINS FOR SEVERAL HOURS AFTER FRONTAL PASSAGE TONIGHT INTO
  SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS
  INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE POTENTIAL FOR
  DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE CONSIDERABLE
  BLOWING AND DRIFTING SNOW OVER SOUTH PASS POTENTIALLY REDUCING
  THE VISIBILITY FROM ONE QUARTER OF A MILE TO NEAR ZERO AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$
000 
WWUS75 KRIW 301728
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1028 AM MST FRI DEC 30 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING FRIDAY INTO
SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA TODAY AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT AND A
TIGHTENING PRESSURE GRADIENT. THESE CONDITIONS WILL RESULT IN
STRONG TO POSSIBLY DAMAGING WINDS ACROSS MUCH OF CENTRAL AND
SOUTHERN WYOMING TODAY AND SATURDAY.

WYZ003-310000-
/O.EXB.KRIW.HW.W.0030.111230T1900Z-111231T0400Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1028 AM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

* SUMMARY AND TIMING...WEST WINDS WILL INCREASE RAPIDLY EARLY THIS
  AFTERNOON AND PEAK LATER THIS AFTERNOON AND EARLY EVENING.

* WIND...WEST WIND WILL INCREASE RAPIDLY THIS AFTERNOON TO 30 TO
  40 MPH WITH GUSTS OVER 60 MPH. THE MOST LIKELY AREA FOR HIGH
  WINDS WILL BE NORTH OF CODY ALONG HIGHWAY 120 AND IN CLARK. SOME
  GUSTS NEAR THE FOOTHILLS COULD REACH OVER 70 MPH. HIGH WINDS ARE
  ALSO POSSIBLE ON THE WEST SIDE OF CODY AND JUST SOUTH OF CODY
  ALONG HIGHWAY 120.

* IMPACTS...TRAVEL ON HIGHWAY 120 WILL BE SEVERELY IMPACTED AT
  TIMES DUE TO THE ERRATIC AND SUDDEN CROSS WIND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ019-310000-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1028 AM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THROUGH THE
  DAY AND PEAK LATER THIS EVENING.

* WIND...SOUTHWEST WIND SUSTAINED BETWEEN 30 AND 45 MPH ARE 
  EXPECTED WITH GUSTS TO 60 MPH ACROSS THE TRAVEL CORRIDORS OF 
  SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND 
  GUSTS TO 75 MPH COULD OCCUR IN THE HIGHER TERRAIN OF THE GREEN 
  AND RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET. 

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ020-310000-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
1028 AM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THROUGH THE AFTERNOON
  AND PEAK TONIGHT. 

* WIND...SOUTHWEST WIND BETWEEN 30 AND 45 MPH WILL BE
  COMMON...WITH GUSTS TO 65 MPH...ESPECIALLY TONIGHT. FAVORED
  LOCATIONS WILL BE IN SOUTHWEST CASPER AND NEAR THE COMMUNITY OF
  HILAND.

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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>030-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1028 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS SWEETWATER COUNTY. 

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS OF 60 MPH 
  ARE POSSIBLE ACROSS EASTERN SWEETWATER COUNTY FOR SEVERAL 
  HOURS AFTER FRONTAL PASSAGE TONIGHT INTO SATURDAY MORNING. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS...INCLUDING ALONG INTERSTATE 80. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ026-027-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON...
KEMMERER...COKEVILLE
1028 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 25 AND 40 MPH WITH GUSTS TO 60 MPH 
  ARE POSSIBLE ACROSS THE UPPER GREEN RIVER BASIN AND SOUTHERN 
  LINCOLN COUNTY FOR SEVERAL HOURS AFTER FRONTAL PASSAGE TONIGHT 
  INTO SATURDAY MORNING. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  AND COULD CAUSE DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ016>018-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER
1028 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS APPROACHING 60
  MPH ARE POSSIBLE FOR SEVERAL HOURS AFTER FRONTAL PASSAGE
  TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  AND COULD CAUSE DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

WYZ015-310000-
/O.CON.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
WIND RIVER MOUNTAINS EAST-
1028 AM MST FRI DEC 30 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE POSSIBLE LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 50 MPH WITH GUSTS APPROACHING 
  75 MPH IS POSSIBLE ACROSS THE EAST SLOPE OF THE WIND RIVER 
  MOUNTAINS FOR SEVERAL HOURS AFTER FRONTAL PASSAGE TONIGHT INTO 
  SATURDAY MORNING. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE POTENTIAL 
  FOR DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE 
  CONSIDERABLE BLOWING AND DRIFTING SNOW OVER SOUTH PASS 
  POTENTIALLY REDUCING THE VISIBILITY FROM ONE QUARTER OF A MILE 
  TO NEAR ZERO AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

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.

&&

$$

SKRBAC
572 
WWUS75 KRIW 302214
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
314 PM MST FRI DEC 30 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING THIS EVENING
THROUGH SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA TONIGHT AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT THAT WILL
SURFACE TO GROUND AS WELL AS A TIGHTENING SURFACE PRESSURE
GRADIENT. THESE CONDITIONS WILL RESULT IN STRONG TO POSSIBLY
DAMAGING WINDS ACROSS MUCH OF CENTRAL AND SOUTHERN WYOMING TONIGHT
AND SATURDAY.

WYZ015-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111230T2214Z-111231T1200Z/
WIND RIVER MOUNTAINS EAST-
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 5 AM MST SATURDAY. THE HIGH
WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH
  TONIGHT AND EARLY SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 35 AND 50 MPH WITH GUSTS APPROACHING 75
  MPH ARE EXPECTED ACROSS THE EAST SLOPE OF THE WIND RIVER
  MOUNTAINS...MAINLY AHEAD OF THE FRONTAL PASSAGE...TONIGHT INTO
  EARLY SATURDAY MORNING. SOME LOCAL WIND GUSTS OF 85 MPH ARE
  POSSIBLE THIS EVENING ON THE HIGHER MORE EXPOSED RIDGES.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS
  INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE POTENTIAL FOR
  DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE CONSIDERABLE
  BLOWING AND DRIFTING SNOW OVER SOUTH PASS POTENTIALLY REDUCING
  THE VISIBILITY FROM ONE QUARTER OF A MILE TO NEAR ZERO AT TIMES
  RESULTING IN WHITE OUT CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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.

&&


$$

WYZ018-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111231T0000Z-111231T1200Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM
MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH
  TONIGHT AND EARLY SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS APPROACHING 60
  MPH ARE EXPECTED FOR SEVERAL HOURS AHEAD OF THE FRONTAL PASSAGE
  TONIGHT INTO EARLY SATURDAY MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA
  ROADWAYS INCLUDING HIGHWAYS 287 AND 789 AND COULD CAUSE DAMAGE
  TO PROPERTY LEFT EXPOSED TO THE WIND.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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.

&&

$$

WYZ016-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS APPROACHING 60
  MPH ARE EXPECTED FOR SEVERAL HOURS AFTER THE FRONTAL PASSAGE
  AFTER MIDNIGHT TONIGHT INTO LATE SATURDAY MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA
  ROADWAYS INCLUDING HIGHWAY 26 AND COULD CAUSE DAMAGE TO PROPERTY
  LEFT EXPOSED TO THE WIND. 

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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.

&&

$$

WYZ017-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS APPROACHING 60
  MPH ARE EXPECTED FOR SEVERAL HOURS AFTER THE FRONTAL PASSAGE
  LATE TONIGHT INTO SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS
  INCLUDING HIGHWAYS 26 AND 789 AND COULD CAUSE DAMAGE TO PROPERTY
  LEFT EXPOSED TO THE WIND. 
 
&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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>030-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS SWEETWATER COUNTY.

* WIND...WEST WIND BETWEEN 30 AND 45 MPH WITH GUSTS OF 60 MPH ARE
  EXPECTED ACROSS SWEETWATER COUNTY FOR SEVERAL HOURS AFTER THE
  FRONTAL PASSAGE LATE TONIGHT INTO LATE SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL CAUSING DANGEROUS
  CROSS WINDS...ESPECIALLY NORTH SOUTH HIGHWAYS.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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.

&&

$$

WYZ026-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 25 AND 40 MPH WITH GUSTS TO 60 MPH ARE
  EXPECTED ACROSS THE UPPER GREEN RIVER BASIN FOR SEVERAL HOURS
  AFTER THE FRONTAL PASSAGE LATE TONIGHT INTO LATE SATURDAY
  MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA
  ROADWAYS INCLUDING HIGHWAYS 191...189 AND 28 AND COULD CAUSE
  DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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.

&&

$$

WYZ027-310330-
/O.UPG.KRIW.HW.A.0023.111231T0700Z-111231T1900Z/
/O.EXB.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST
SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC COLD
  FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 25 AND 40 MPH WITH GUSTS TO 60 MPH ARE
  EXPECTED ACROSS SOUTHERN LINCOLN COUNTY FOR SEVERAL HOURS AFTER
  THE FRONTAL PASSAGE LATE TONIGHT INTO LATE SATURDAY MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA
  ROADWAYS INCLUDING HIGHWAYS 89 AND 30 AND COULD CAUSE DAMAGE TO
  PROPERTY LEFT EXPOSED TO THE WIND.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

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.

&&

$$

WYZ009-310330-
/O.EXB.KRIW.HW.W.0030.111230T2214Z-111231T0600Z/
BIGHORN MOUNTAINS SOUTHEAST-
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THROUGH THE
  EARLY EVENING AND PEAK LATER THIS EVENING.

* WIND...SOUTHWEST WINDS WILL INCREASE TO SUSTAINED SPEEDS BETWEEN
  40 AND 50 MPH WITH GUSTS TO 75 MPH ACROSS THE TRAVEL CORRIDOR
  OF HIGHWAY 16 OVER POWDER RIVER PASS. LOCAL WIND GUSTS TO 85 MPH
  COULD OCCUR IN THE HIGHER MORE EXPOSED TERRAIN.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 16 WILL BE HAMPERED DUE TO
  STRONG AND GUSTY CROSS WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ019-310330-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THROUGH THE
  EARLY EVENING AND PEAK LATER THIS EVENING.

* WIND...A STRONG SOUTHWEST WIND GUST HAS ALREADY BEEN RECORDED AT
  A REMOTE SENSOR AT FALES ROCK IN WESTERN NATRONA COUNTY WHERE
  THE WIND GUSTED TO 67 MPH AT 2 PM. THERE WAS ALSO A WESTERLY
  WIND GUST AT ANOTHER REMOTE SENSOR AT FALES ROCK IN SOUTHEAST
  FREMONT COUNTY WHERE A GUST OF 64 MPH WAS RECORDED AT 2 PM.
  SOUTHWEST WINDS ARE EXPECTED TO INCREASE TO BETWEEN 30 AND 45
  MPH WITH GUSTS TO 60 MPH ACROSS THE MORE POPULATED TRAVEL
  CORRIDORS OF SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES.
  LOCAL WIND GUSTS TO 75 MPH COULD OCCUR IN THE HIGHER TERRAIN OF
  THE GREEN AND RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ020-310330-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THROUGH THE EARLY
  EVENING AND PEAK TONIGHT.

* WIND...THE STRONGEST WIND GUST AT THE CASPER REGIONAL AIRPORT
  TODAY WAS RECORDED AT 2 PM WHEN A SOUTHWEST WIND GUST OF 44 MPH
  WAS RECORDED. SOUTHWEST WIND BETWEEN 30 AND 45 MPH WILL BECOME
  MORE COMMON... WITH GUSTS TO 65 MPH...ESPECIALLY TONIGHT.
  FAVORED LOCATIONS WILL BE IN SOUTHWEST CASPER AND NEAR THE
  COMMUNITY OF HILAND WHERE GUSTS OF 75 MPH ARE POSSIBLE.

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ003-310330-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T0400Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
314 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...WEST WINDS WILL CONTINUE THROUGH EARLY THIS EVENING.

* WIND...A WIND GUST OF 69 MPH WAS RECORDED ON THE WEST SIDE OF
  CLARK AT 2 PM THIS AFTERNOON. WEST WINDS OF 30 TO 40 MPH WITH
  GUSTS OVER 60 MPH ARE EXPECTED TO CONTINUE. THE MOST LIKELY AREA
  FOR HIGH WINDS WILL BE NORTH OF CODY ALONG HIGHWAY 120 AND IN
  CLARK. SOME ADDITIONAL GUSTS NEAR THE FOOTHILLS COULD REACH OVER
  70 MPH WITH LOCALLY HIGHER WIND GUSTS OF 80 TO 90 MPH POSSIBLE
  JUST WEST OF CLARK AND NEAR THE CLARKS FORK GAP. HIGH WINDS ARE
  ALSO EXPECTED JUST SOUTH OF CODY ALONG HIGHWAY 120...ESPECIALLY
  BETWEEN MILE MARKERS 120 AND 122.

* IMPACTS...TRAVEL ON HIGHWAY 120 WILL BE SEVERELY IMPACTED AT 
  TIMES DUE TO THE ERRATIC AND SUDDEN CROSS WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

LIPSON
974 
WWUS75 KRIW 310358
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
858 PM MST FRI DEC 30 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING THIS
EVENING THROUGH SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA TONIGHT AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT THAT WILL
SURFACE TO GROUND AS WELL AS A TIGHTENING SURFACE PRESSURE
GRADIENT. THESE CONDITIONS WILL RESULT IN STRONG TO POSSIBLY
DAMAGING WINDS ACROSS MUCH OF CENTRAL AND SOUTHERN WYOMING
TONIGHT AND SATURDAY.

WYZ003-310500-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T0400Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING WILL EXPIRE AT 9 PM MST THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 9 PM MST THIS EVENING. 

WIND SPEEDS HAVE DECREASED AROUND THE CLARK AREA AND HAVE TURNED
TO THE NORTH. THEREFORE THE HIGH WIND WARNING WILL BE ALLOWED TO
EXPIRE. 

$$

WYZ019-311200-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THROUGH THE 
  EARLY EVENING AND PEAK LATER THIS EVENING. 

* WIND...WIND GUSTS BETWEEN 60 AND 70 MPH CONTINUE AT A REMOTE
  SENSOR AT FALES ROCK IN WESTERN NATRONA COUNTY. SOUTHWEST WINDS
  ARE EXPECTED BETWEEN 35 AND 45 MPH WITH GUSTS TO AROUND 60 MPH
  ACROSS THE MORE POPULATED TRAVEL CORRIDORS OF SOUTHEAST FREMONT
  AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND GUSTS TO 75 MPH COULD
  OCCUR IN THE HIGHER TERRAIN OF THE GREEN AND RATTLESNAKE
  MOUNTAINS...MAINLY ABOVE 7000 FEET.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ020-311200-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THROUGH THE EARLY 
  EVENING AND PEAK TONIGHT. 

* WIND...A SOUTHWEST WIND BETWEEN 35 AND 45 MPH WILL BECOME MORE
  COMMON...WITH GUSTS TO 65 MPH...ESPECIALLY LATE TONIGHT. FAVORED
  LOCATIONS WILL BE IN SOUTHWEST CASPER AND NEAR THE COMMUNITY OF
  HILAND WHERE GUSTS OF 75 MPH ARE POSSIBLE.

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ015-311200-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1200Z/
WIND RIVER MOUNTAINS EAST-
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH 
  TONIGHT AND EARLY SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 40 AND 50 MPH WITH GUSTS APPROACHING 75
  MPH ARE EXPECTED ACROSS THE EAST SLOPE OF THE WIND RIVER
  MOUNTAINS...MAINLY AHEAD OF THE FRONTAL PASSAGE EARLY SATURDAY
  MORNING. SOME LOCAL WIND GUSTS OF 85 MPH ARE POSSIBLE THIS
  EVENING ON THE HIGHER MORE EXPOSED RIDGES.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE POTENTIAL 
  FOR DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE 
  CONSIDERABLE BLOWING AND DRIFTING SNOW OVER SOUTH PASS 
  POTENTIALLY REDUCING THE VISIBILITY FROM ONE QUARTER OF A MILE 
  TO NEAR ZERO AT TIMES RESULTING IN WHITE OUT CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ018-311200-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1200Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH 
  TONIGHT AND EARLY SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...A WIND GUST OF 56 MPH OCCURRED AT THE LANDER AIRPORT AT
  739 PM. A WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60
  MPH ARE EXPECTED FOR SEVERAL HOURS AHEAD OF THE FRONTAL PASSAGE
  THAT OCCURS EARLY SATURDAY MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 287 AND 789 AND COULD CAUSE DAMAGE 
  TO PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ016-311200-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED FOR SEVERAL HOURS AFTER A COLD FRONTAL PASSAGE.THIS
  FRONT WILL MOVE THROUGH AROUND 3 AM. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAY 26 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ017-311200-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED FOR SEVERAL HOURS AFTER A COLD FRONTAL PASSAGE LATE
  TONIGHT. THE STRONG WIND WILL CONTINUE SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAYS 26 AND 789 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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>030-311200-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS SWEETWATER COUNTY. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED ACROSS SWEETWATER COUNTY FOR SEVERAL HOURS AFTER A
  COLD FRONTAL PASSAGE LATE TONIGHT. THE STRONG WIND WILL CONTINUE
  SATURDAY MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL CAUSING DANGEROUS 
  CROSS WINDS...ESPECIALLY NORTH SOUTH HIGHWAYS. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ026-311200-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...A WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS TO 60 MPH
  ARE EXPECTED ACROSS THE UPPER GREEN RIVER BASIN FOR SEVERAL
  HOURS AFTER THE FRONTAL PASSAGE LATE TONIGHT. THE STRONG WIND
  GUSTS WILL OCCUR ON SATURDAY MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 191...189 AND 28 AND COULD CAUSE 
  DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ027-311200-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS TO 60 MPH ARE
  EXPECTED ACROSS SOUTHERN LINCOLN COUNTY FOR SEVERAL HOURS AFTER
  THE FRONTAL PASSAGE LATE TONIGHT. THE STRONG WIND GUSTS WILL
  OCCUR ON SATURDAY MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 89 AND 30 AND COULD CAUSE DAMAGE 
  TO PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ009-310600-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T0600Z/
BIGHORN MOUNTAINS SOUTHEAST-
858 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* SUMMARY AND TIMING...STRONG SOUTHWEST WINDS WILL OCCUR THIS
  EVENING. 

* WIND...A WEST TO SOUTHWEST WIND WILL INCREASE TO SUSTAINED
  SPEEDS BETWEEN 40 AND 50 MPH WITH GUSTS TO 75 MPH ACROSS THE
  TRAVEL CORRIDOR OF HIGHWAY 16 OVER POWDER RIVER PASS. LOCAL WIND
  GUSTS TO 85 MPH COULD OCCUR IN THE HIGHER MORE EXPOSED TERRAIN.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 16 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$
129 
WWUS75 KRIW 310542
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1042 PM MST FRI DEC 30 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING THIS
EVENING THROUGH SATURDAY MORNING...

.ANOTHER PACIFIC STORM SYSTEM WILL AFFECT THE AREA TONIGHT AND
SATURDAY. THIS SYSTEM WILL HAVE VERY STRONG WINDS ALOFT THAT WILL
SURFACE TO GROUND AS WELL AS A TIGHTENING SURFACE PRESSURE
GRADIENT. THESE CONDITIONS WILL RESULT IN STRONG TO POSSIBLY
DAMAGING WINDS ACROSS MUCH OF CENTRAL AND SOUTHERN WYOMING
TONIGHT AND SATURDAY.

WYZ009-310645-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T0600Z/
BIGHORN MOUNTAINS SOUTHEAST-
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING WILL EXPIRE AT 11 PM MST THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 11 PM MST THIS EVENING. 

WIND SPEEDS HAVE BEEN DECREASING THIS EVENING. THERE MAY BE A
BRIEF INCREASE IN WIND SPEEDS WITH FRONTAL PASSAGE IN A FEW HOURS
THOUGH GUSTS WILL REMAIN BELOW 75 MPH. 

$$

WYZ019-311300-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL INCREASE THROUGH THE 
  EARLY EVENING AND PEAK LATER THIS EVENING. 

* WIND...WIND GUSTS BETWEEN 60 AND 70 MPH CONTINUE AT A REMOTE 
  SENSOR AT FALES ROCK IN WESTERN NATRONA COUNTY. SOUTHWEST 
  WINDS ARE EXPECTED BETWEEN 35 AND 45 MPH WITH GUSTS TO AROUND 
  60 MPH ACROSS THE MORE POPULATED TRAVEL CORRIDORS OF SOUTHEAST 
  FREMONT AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND GUSTS TO 75 
  MPH COULD OCCUR IN THE HIGHER TERRAIN OF THE GREEN AND 
  RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET. 

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ020-311300-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1300Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST SATURDAY. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THROUGH THE EARLY 
  EVENING AND PEAK TONIGHT. 

* WIND...A SOUTHWEST WIND BETWEEN 35 AND 45 MPH WILL BECOME MORE 
  COMMON...WITH GUSTS TO 65 MPH...ESPECIALLY LATE TONIGHT. 
  FAVORED LOCATIONS WILL BE IN SOUTHWEST CASPER AND NEAR THE 
  COMMUNITY OF HILAND WHERE GUSTS OF 75 MPH ARE POSSIBLE. 

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ015-311200-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1200Z/
WIND RIVER MOUNTAINS EAST-
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH 
  TONIGHT AND EARLY SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 40 AND 50 MPH WITH GUSTS APPROACHING 
  75 MPH ARE EXPECTED ACROSS THE EAST SLOPE OF THE WIND RIVER 
  MOUNTAINS...MAINLY AHEAD OF THE FRONTAL PASSAGE EARLY SATURDAY 
  MORNING. SOME LOCAL WIND GUSTS OF 85 MPH ARE POSSIBLE THIS 
  EVENING ON THE HIGHER MORE EXPOSED RIDGES. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE POTENTIAL 
  FOR DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE 
  CONSIDERABLE BLOWING AND DRIFTING SNOW OVER SOUTH PASS 
  POTENTIALLY REDUCING THE VISIBILITY FROM ONE QUARTER OF A MILE 
  TO NEAR ZERO AT TIMES RESULTING IN WHITE OUT CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ018-311200-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1200Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH 
  TONIGHT AND EARLY SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...A WIND GUST OF 56 MPH OCCURRED AT THE LANDER AIRPORT AT 
  739 PM. A WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED FOR SEVERAL HOURS AHEAD OF THE FRONTAL 
  PASSAGE THAT OCCURS EARLY SATURDAY MORNING. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 287 AND 789 AND COULD CAUSE DAMAGE 
  TO PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ016-311345-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED FOR SEVERAL HOURS AFTER A COLD FRONTAL 
  PASSAGE.THIS FRONT WILL MOVE THROUGH AROUND 3 AM. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAY 26 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ017-311345-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED FOR SEVERAL HOURS AFTER A COLD FRONTAL 
  PASSAGE LATE TONIGHT. THE STRONG WIND WILL CONTINUE SATURDAY 
  MORNING. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAYS 26 AND 789 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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>030-311345-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH SATURDAY MORNING...AS A STRONG PACIFIC COLD 
  FRONT MOVES ACROSS SWEETWATER COUNTY. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED ACROSS SWEETWATER COUNTY FOR SEVERAL HOURS 
  AFTER A COLD FRONTAL PASSAGE LATE TONIGHT. THE STRONG WIND 
  WILL CONTINUE SATURDAY MORNING. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL CAUSING DANGEROUS 
  CROSS WINDS...ESPECIALLY NORTH SOUTH HIGHWAYS. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ026-311345-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...A WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS TO 60 MPH 
  ARE EXPECTED ACROSS THE UPPER GREEN RIVER BASIN FOR SEVERAL 
  HOURS AFTER THE FRONTAL PASSAGE LATE TONIGHT. THE STRONG WIND 
  GUSTS WILL OCCUR ON SATURDAY MORNING. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 191...189 AND 28 AND COULD CAUSE 
  DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ027-311345-
/O.CON.KRIW.HW.W.0030.111231T0700Z-111231T1900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
1042 PM MST FRI DEC 30 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED LATE 
  TONIGHT THROUGH LATE SATURDAY MORNING...AS A STRONG PACIFIC 
  COLD FRONT MOVES ACROSS THE AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS TO 60 MPH 
  ARE EXPECTED ACROSS SOUTHERN LINCOLN COUNTY FOR SEVERAL HOURS 
  AFTER THE FRONTAL PASSAGE LATE TONIGHT. THE STRONG WIND GUSTS 
  WILL OCCUR ON SATURDAY MORNING. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 89 AND 30 AND COULD CAUSE DAMAGE 
  TO PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$
860 
WWUS75 KRIW 311022
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
322 AM MST SAT DEC 31 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING THIS MORNING...

.A TIGHT SURFACE PRESSURE GRADIENT COMBINED WITH STRONG WINDS
ALOFT AND A VIGOROUS COLD FRONTAL PASSAGE WILL WILL RESULT IN
STRONG TO POSSIBLY DAMAGING WINDS ACROSS MUCH OF CENTRAL AND
SOUTHERN WYOMING THIS MORNING. THE PRESSURE GRADIENT WILL RELAX
THIS AFTERNOON...ENDING THE HIGH WIND THREAT. THE COLD FRONTAL
PASSAGE WILL END THE THREAT SOONER IN NATRONA COUNTY AS THE WINDS
SHIFT TO THE NORTH. 

WYZ019-311900-
/O.EXT.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL NOON MST TODAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL SHIFT WEST LATE THIS
  MORNING AND WILL CONTINUE TO BE STRONG THROUGH THE MORNING
  HOURS. THE WINDS WILL TAPER OFF THIS AFTERNOON.

* WIND...WIND GUSTS BETWEEN 60 AND 70 MPH CONTINUE AT A REMOTE 
  SENSOR AT FALES ROCK IN WESTERN NATRONA COUNTY. SOUTHWEST 
  WINDS ARE EXPECTED BETWEEN 35 AND 45 MPH WITH GUSTS TO AROUND 
  60 MPH ACROSS THE MORE POPULATED TRAVEL CORRIDORS OF SOUTHEAST 
  FREMONT AND SOUTHWEST NATRONA COUNTIES. LOCAL WIND GUSTS TO 75 
  MPH COULD OCCUR IN THE HIGHER TERRAIN OF THE GREEN AND 
  RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET. 

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ020-311500-
/O.EXT.KRIW.HW.W.0030.000000T0000Z-111231T1500Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL 8 AM MST THIS MORNING...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* SUMMARY AND TIMING...WINDS WILL INCREASE THROUGH THE EARLY
  MORNING HOURS AHEAD OF THE FRONT...WINDS WILL REMAIN ELEVATED
  BEHIND THE FRONT BUT THE THREAT OF DAMAGING WINDS WILL DIMINISH
  GREATLY BY MID MORNING.

* WIND...A SOUTHWEST WIND BETWEEN 35 AND 45 MPH WILL BECOME MORE
  COMMON...WITH GUSTS TO 65 MPH. FAVORED LOCATIONS WILL BE IN
  SOUTHWEST CASPER AND NEAR THE COMMUNITY OF HILAND WHERE GUSTS OF
  75 MPH ARE POSSIBLE. 

* IMPACTS...TRAVEL ON WYOMING BOULEVARD AROUND THE SOUTH SIDE OF 
  CASPER WILL BE HAMPERED DUE STRONG AND GUSTY CROSS WINDS. 
  TRAVEL CAN BE PARTICULARLY HAZARDOUS BETWEEN MILEPOSTS 11 AND 
  13 ON WYOMING BOULEVARD FOR TRUCKS AND OTHER HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ015-311900-
/O.EXT.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
WIND RIVER MOUNTAINS EAST-
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL NOON MST TODAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH 
  THE MORNING. 

* WIND...WEST WIND BETWEEN 40 AND 50 MPH WITH GUSTS APPROACHING 75
  MPH ARE EXPECTED ACROSS THE EAST SLOPE OF THE WIND RIVER
  MOUNTAINS...MAINLY AHEAD OF THE FRONTAL PASSAGE EARLY THIS
  MORNING...AND THEN BEHIND THE UPPER LEVEL TROUGH AFTER IT SWINGS
  BY LATE THIS MORNING.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE POTENTIAL 
  FOR DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE 
  CONSIDERABLE BLOWING AND DRIFTING SNOW OVER SOUTH PASS 
  POTENTIALLY REDUCING THE VISIBILITY FROM ONE QUARTER OF A MILE 
  TO NEAR ZERO AT TIMES RESULTING IN WHITE OUT CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ018-311900-
/O.EXT.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING NOW IN EFFECT UNTIL NOON MST TODAY...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS MORNING
  AS A COLD FRONT APPROACHES FROM THE NORTH...AND THEN ANOTHER
  SURGE IS POSSIBLE AFTER THE UPPER TROUGH SWINGS BY LATER THIS
  MORNING.

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED FOR SEVERAL HOURS AHEAD OF THE FRONTAL PASSAGE
  EARLY THIS MORNING AND FOR A PERIOD AFTER THE FRONT PASSES AS
  STRONG WINDS ALOFT MIX DOWN LATER THIS MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 287 AND 789 AND COULD CAUSE DAMAGE 
  TO PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ016-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS
  MORNING...AS A STRONG PACIFIC COLD FRONT MOVES ACROSS THE AREA.

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED FOR SEVERAL HOURS AFTER A COLD FRONTAL PASSAGE
  EARLY THIS MORNING.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAY 26 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ017-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS MORNING
  AS A STRONG PACIFIC COLD FRONT MOVES ACROSS THE AREA AND THEN
  AGAIN AS AN UPPER TROUGH SHIFTS EAST AND MIXES DOWN STRONG WINDS
  ALOFT LATER THIS MORNING. THE WINDS WILL TAPER OFF THIS AFTERNOON.

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED.

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAYS 26 AND 789 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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>030-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS
  MORNING. THE WINDS WILL TAPER OFF THIS AFTERNOON.  

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 MPH
  ARE EXPECTED TO CONTINUE ACROSS SWEETWATER COUNTY. THE WINDS
  WILL TAPER OFF THIS AFTERNOON. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL CAUSING DANGEROUS 
  CROSS WINDS...ESPECIALLY NORTH SOUTH HIGHWAYS. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ026-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED TO CONTINUE
  THROUGH THE MORNING HOURS. THE WINDS WILL TAPER OFF THIS
  AFTERNOON. 

* WIND...A WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS TO 60 MPH
  ARE EXPECTED ACROSS THE UPPER GREEN RIVER BASIN FOR SEVERAL
  HOURS AFTER THE FRONTAL PASSAGE THIS MORNING. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 191...189 AND 28 AND COULD CAUSE 
  DAMAGE TO PROPERTY LEFT EXPOSED TO THE WIND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ027-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
322 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED TO CONTINUE
  THROUGH THE MORNING HOURS. THE WINDS WILL TAPER OFF EARLY THIS
  AFTERNOON.

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS TO 60 MPH ARE
  EXPECTED TO CONTINUE ACROSS SOUTHERN LINCOLN COUNTY FOR SEVERAL
  HOURS AFTER A COLD FRONTAL PASSAGE.

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAYS 89 AND 30 AND COULD CAUSE DAMAGE 
  TO PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$
668 
WWUS75 KRIW 311450
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
750 AM MST SAT DEC 31 2011

...HIGH WINDS LIKELY OVER PORTIONS OF CENTRAL WYOMING THIS
MORNING...

.A TIGHT SURFACE PRESSURE GRADIENT COMBINED WITH STRONG WINDS
ALOFT AND A VIGOROUS COLD FRONTAL PASSAGE WILL WILL RESULT IN
STRONG TO POSSIBLY DAMAGING WINDS ACROSS MUCH OF CENTRAL AND
SOUTHERN WYOMING THIS MORNING. THE PRESSURE GRADIENT WILL RELAX
THIS AFTERNOON...ENDING THE HIGH WIND THREAT. 

WYZ018-026-027-311600-
/O.CAN.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
LANDER FOOTHILLS-UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...LANDER...LA BARGE...BIG PINEY...
FARSON...KEMMERER...COKEVILLE
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING. 

STRONG WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH ARE
STILL EXPECTED THIS MORNING BUT THE THREAT OF HIGH WINDS HAS
ENDED. THEREFORE...THE NATIONAL WEATHER SERVICE HAS CANCELLED THE
HIGH WIND WATCH THAT WAS IN EFFECT FOR THE AREA.

$$

WYZ020-311600-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T1500Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING WILL EXPIRE AT 8 AM MST THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 8 AM MST THIS MORNING. 

THE COLD FRONT HAS MOVED THROUGH THE AREA BRINGING A PERIOD OF
MORNING SNOWFALL THUS ENDING THE THREAT OF FURTHER HIGH WINDS.
THEREFORE...THE NATIONAL WEATHER SERVICE HAS ALLOWED THE HIGH WIND
WARNING FOR THE AREA TO EXPIRE.

$$

WYZ019-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...STRONG NORTHWEST WINDS WILL CONTINUE THE
  REMAINDER OF THE MORNING BEFORE DECREASING.

* WIND...WIND GUSTS BETWEEN 60 AND 70 MPH CONTINUE AT FALES ROCK
  AND CAMP CREEK. NORTHWEST WINDS ARE EXPECTED BETWEEN 35 AND 45 MPH
  WITH GUSTS TO AROUND 60 MPH ACROSS THE MORE POPULATED TRAVEL
  CORRIDORS OF SOUTHEAST FREMONT AND SOUTHWEST NATRONA COUNTIES.
  LOCAL WIND GUSTS TO 75 MPH COULD OCCUR IN THE HIGHER TERRAIN OF
  THE GREEN AND RATTLESNAKE MOUNTAINS...MAINLY ABOVE 7000 FEET.

* IMPACTS...TRAVEL ON U.S. HIGHWAY 287 WILL BE HAMPERED DUE TO 
  STRONG AND GUSTY CROSS WINDS. GUSTY WIND CAN ALSO BE EXPECTED 
  ON STATE HIGHWAY 220 AROUND PATHFINDER AND ALCOVA RESERVOIRS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY
CAUTIOUS IF TRAVELING TODAY AND TONIGHT...AS THE BLOW OVER RISK
WILL BE ELEVATED.

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.

&&

$$

WYZ015-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
WIND RIVER MOUNTAINS EAST-
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THROUGH 
  THE MORNING. 

* WIND...WEST WIND BETWEEN 40 AND 50 MPH WITH GUSTS APPROACHING 
  75 MPH ARE EXPECTED ACROSS THE EAST SLOPE OF THE WIND RIVER 
  MOUNTAINS...MAINLY AHEAD OF THE FRONTAL PASSAGE EARLY THIS 
  MORNING...AND THEN BEHIND THE UPPER LEVEL TROUGH AFTER IT 
  SWINGS BY LATE THIS MORNING. 

* IMPACTS...STRONG WINDS WILL SEVERELY HAMPER TRAVEL ACROSS AREA
  ROADWAYS INCLUDING HIGHWAY 28 OVER SOUTH PASS CREATING THE
  POTENTIAL FOR DANGEROUS CROSS WINDS. THE WIND WILL LIKELY CREATE
  CONSIDERABLE BLOWING AND DRIFTING SNOW OVER SOUTH PASS REDUCING
  THE VISIBILITY FROM ONE QUARTER OF A MILE TO NEAR ZERO AT TIMES
  RESULTING IN WHITE OUT CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ016-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS 
  MORNING...AS A STRONG PACIFIC COLD FRONT MOVES ACROSS THE 
  AREA. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED FOR SEVERAL HOURS AFTER A COLD FRONTAL 
  PASSAGE EARLY THIS MORNING. 

* IMPACTS...STRONG CROSS WINDS WILL HAMPER TRAVEL ACROSS AREA 
  ROADWAYS INCLUDING HIGHWAY 26 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

WYZ017-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS 
  MORNING AS A STRONG PACIFIC COLD FRONT MOVES ACROSS THE AREA 
  AND THEN AGAIN AS AN UPPER TROUGH SHIFTS EAST AND MIXES DOWN 
  STRONG WINDS ALOFT LATER THIS MORNING. THE WINDS WILL TAPER 
  OFF THIS AFTERNOON. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL ACROSS AREA ROADWAYS 
  INCLUDING HIGHWAYS 26 AND 789 AND COULD CAUSE DAMAGE TO 
  PROPERTY LEFT EXPOSED TO THE WIND. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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>030-311900-
/O.CON.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
750 AM MST SAT DEC 31 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

* SUMMARY AND TIMING...VERY STRONG WINDS ARE EXPECTED THIS 
  MORNING. THE WINDS WILL TAPER OFF THIS AFTERNOON. 

* WIND...WEST WIND BETWEEN 35 AND 45 MPH WITH GUSTS AROUND 60 
  MPH ARE EXPECTED TO CONTINUE ACROSS SWEETWATER COUNTY. THE 
  WINDS WILL TAPER OFF THIS AFTERNOON. 

* IMPACTS...STRONG WINDS WILL HAMPER TRAVEL CAUSING DANGEROUS 
  CROSS WINDS...ESPECIALLY NORTH SOUTH HIGHWAYS. 

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

SKRBAC
954 
WWUS75 KRIW 311847
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1147 AM MST SAT DEC 31 2011

WYZ019-312000-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1147 AM MST SAT DEC 31 2011

...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY...

THE HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE
STILL EXPECTED INTO THE EARLY AFTERNOON BUT HIGH WINDS ARE NO
LONGER EXPECTED. THEREFORE...THE NATIONAL WEATHER SERVICE HAS
ALLOWED THE HIGH WIND WARNING FOR THE AREA TO EXPIRE.

$$

WYZ015-312000-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
WIND RIVER MOUNTAINS EAST-
1147 AM MST SAT DEC 31 2011

...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY...

THE HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY. 

STRONG WEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE STILL
EXPECTED INTO THE EARLY AFTERNOON BUT HIGH WINDS ARE NO LONGER
EXPECTED. THEREFORE...THE NATIONAL WEATHER SERVICE HAS ALLOWED
THE HIGH WIND WARNING FOR THE AREA TO EXPIRE. HOWEVER...TRAVELLERS
OVER SOUTH PASS SHOULD BE ALERT FOR AREAS OF BLOWING AND DRIFTING
SNOW CAUSING LOCALLY SLICK TRAVEL.

$$

WYZ016-312000-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
1147 AM MST SAT DEC 31 2011

...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY...

THE HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE
STILL EXPECTED INTO THE EARLY AFTERNOON BUT HIGH WINDS ARE NO
LONGER EXPECTED. THEREFORE...THE NATIONAL WEATHER SERVICE HAS
ALLOWED THE HIGH WIND WARNING FOR THE AREA TO EXPIRE.

$$

WYZ017-312000-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
1147 AM MST SAT DEC 31 2011

...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY...

THE HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE
STILL EXPECTED INTO THE EARLY AFTERNOON BUT HIGH WINDS ARE NO
LONGER EXPECTED. THEREFORE...THE NATIONAL WEATHER SERVICE HAS
ALLOWED THE HIGH WIND WARNING FOR THE AREA TO EXPIRE.

$$

WYZ028>030-312000-
/O.EXP.KRIW.HW.W.0030.000000T0000Z-111231T1900Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1147 AM MST SAT DEC 31 2011

...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY...

THE HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY. 

STRONG WEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE STILL
EXPECTED INTO THE EARLY AFTERNOON BUT HIGH WINDS ARE NO LONGER
EXPECTED. THEREFORE...THE NATIONAL WEATHER SERVICE HAS ALLOWED THE
HIGH WIND WARNING FOR THE AREA TO EXPIRE.

$$

TEAM RIVERTON

What forecasters said that day

The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this high wind warning went out at Dec 29, 4:26 PM MST, 4 hours 19 minutes earlier.

Area forecast discussion, Dec 29, 4:26 PM MST, 4 hours 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
426 PM MST THU DEC 29 2011

.SHORT TERM...TONIGHT THROUGH SUNDAY
THE VIGOROUS SHORTWAVE THAT BROUGHT THE STRONG WINDS AND THE SNOW
IN WESTERN WYOMING SINCE WEDNESDAY IS NOW EXITING TO THE EAST AS
WINDS DIMINISH AND A RESPITE IN THE SNOW HAS TAKEN PLACE IN
WESTERN WYOMING. WEST WINDS GUSTED AS HIGH AS 134 MPH AT MOUNT
COFFIN DURING THE FROPA.

ANOTHER VIGOROUS PACIFIC SHORTWAVE IS QUICKLY FOLLOWING ON THE HEELS
OF THE FIRST ONE AND IS RAPIDLY APPROACHING THE PACIFIC COAST.
JUST AFTER WE CATCH OUR BREATH FROM THE WIND AND SNOW FROM THE FIRST
SHORTWAVE...INCREASING AND THICKENING CLOUDS FROM THE WEST
SOUTHWEST WILL ENSUE JUST AFTER SUNSET WITH ISENTROPIC LIFT
INDUCED STEADY SNOW STARTING AROUND 06Z TONIGHT IN FAR WESTERN
WYOMING. SNOW...HEAVY AT TIMES...WILL CONTINUE IN THE FAR WEST
MOUNTAINS THROUGH THE DAY FRIDAY AND FRIDAY NIGHT AND EARLY
SATURDAY MORNING. MEANWHILE THE SNOW WILL BECOME MIXED WITH RAIN
IN THE FAR WEST VALLEYS AS 700MB TEMPS INCREASE TO BETWEEN MINUS 3
AND MINUS 4C. ALONG WITH THE SNOWFALL...WEST WINDS ON THE
MOUNTAINS AND SOUTH WINDS IN THE VALLEYS WILL INCREASE FRIDAY
NIGHT FOR INCREASING BLOWING AND DRIFTING SNOW AS THE GRADIENT
INCREASES WITH THE APPROACH OF THE TROUGH AXIS 12Z SATURDAY. HAVE
OPTED TO ISSUE ANOTHER WINTER STORM WARNING FOR THE FAR WEST
MOUNTAINS 06Z TONIGHT THROUGH 12Z SATURDAY. ISSUED A WINTER
WEATHER ADVISORY FOR THE JACKSON VALLEY VALID FROM 06Z TONIGHT
THROUGH 15Z FRIDAY BEFORE THE SNOW MIXES WITH RAIN. THE MIXED
PRECIP WILL TURN BACK TO ALL SNOW FRIDAY NIGHT BUT WILL LET LATER
SHIFTS DECIDE ON ANY HILITES FOR THE FAR WESTERN VALLEYS FOR
TONIGHT. OPTED NOT TO INCLUDE THE STAR VALLEY TONIGHT AS LESS
SNOWFALL WILL LIKELY FALL IN THAT VALLEY TONIGHT AND FRIDAY
MORNING.

AS FAR AS THE INCREASING WIND FRIDAY NIGHT AND SATURDAY IS
CONCEREND...5...700MB ISOHYPES EVERY 3 UNITS ARE PROGGED FOR
WYOMING SATURDAY ALONG WITH A 13MB SURFACE PRESSURE GRADIENT
BETWEEN GCC AND RKS. THE EAST SLOPE OF THE WIND RIVER MOUNTAINS
WILL LIKELY GET INTO THE ACT SATURDAY AS THE FRONT CHARGES
THROUGH AND WHITE OUT CONDITIONS OCCUR ON SOUTH PASS. ONE BRIEF
SNOW SQUAW WILL LIKELY SPILL THROUGH THE DIVIDE AND AFFECT AREAS
EAST OF THE DIVIDE SATURDAY WITH LONGER LASTING MORE EXTENSIVE
SNOW SHOWERS OCCURRING NORTH AND EAST OF THE OWL CREEK MTNS.
AN ISOLATED THUNDERSTORM WITH SNOW PELLETS FOR THE NORTHERN THIRD
OF WYOMING SATURDAY MORNING IS EXPECTED WHERE LIFTED INDICES WILL
BE NEGATIVE WITH THAT FRONT...MUCH LIKE TODAY.

THREW IN SOME HIGH WINDS IN THE GRIDS FOR EASTERN SWEETWATER
COUNTY FOR SATURDAY MORNING AND LATER SHIFTS CAN DECIDE WHETHER OR
NOT WE WILL NEED A HIGH WIND WATCH FOR THAT AREA OR SURROUNDING
ZONES.

HIGH PRESSURE WITH FAIR WEATHER WILL OCCUR SATURDAY NIGHT AND SUNDAY.

.LONG TERM...SUNDAY NIGHT THROUGH THURSDAY
RIDGING PRIMARILY DOMINATES THE REGION IN THE EXTENDED FORECAST
PERIOD. MODELS CONTINUE TO SHOW A WEAK SHORT WAVE OVER THE NORTHERN
ROCKIES MONDAY NIGHT. AT THIS TIME...IMPACT OF THIS WAVE LOOKS
MINIMAL. ENOUGH MOISTURE IN THE FLOW COULD ALLOW FOR A FEW SNOW
SHOWERS OVER THE HIGHER MOUNTAINS BY TUESDAY. OTHERWISE...IT WILL
BE DRY ACROSS THE FORECAST AREA WITH NEAR NORMAL TEMPS FOR EARLY
JANUARY. EVEN SLIGHTLY WARMER BY THURSDAY AS HEIGHTS ONCE AGAIN
BUILD OVER THE ROCKIES.

&&

.AVIATION.../00Z ISSUANCE/
A STRONG ZONAL FLOW CONTINUES OVER WYOMING WITH ONE MORE DISTURBANCE
TO BRING SNOW TO THE WESTERN AND NORTHWEST MOUNTAINS. THIS MOISTURE
WILL ARRIVE TONIGHT WITH WIDESPREAD SNOW BY EARLY FRIDAY
MORNING...RESULTING IN IFR CONDITIONS ACROSS THE HIGHER ELEVATIONS
OF THE WEST. MODERATE TO HEAVY SNOW WILL RESULT THROUGH MOST OF THE
DAY INTO FRIDAY EVENING.

EAST OF THE DIVIDE...WINDS WILL DECREASE THIS EVENING AND TONIGHT.
THE SURFACE GRADIENT SUPPORTS INCREASING WINDS AGAIN ON FRIDAY...BUT
NOT AS STRONG AS TODAY. THE SKY WILL BE PARTLY TO MOSTLY CLOUDY
THROUGH FRIDAY WITH VFR CONDITIONS AT ALL AIRPORT LOCATIONS. A COLD
FRONT THEN MOVES ACROSS CENTRAL WYOMING FRIDAY NIGHT.

&&

.FIRE WEATHER...
A SHORT RESPITE FROM THE SNOW IS IN STORE FOR FAR WESTERN WYOMING
THIS EVENING BEFORE SNOWFALL AGAIN QUICKLY GETS UNDERWAY AROUND
11 PM THIS EVENING. SIGNIFICANT SNOWFALL IS AGAIN LIKELY IN THE
WESTERN WYOMING MOUNTAINS LATE TONIGHT THROUGH SATURDAY MORNING.
SOME LIGHTER ACCUMULATIONS ARE ALSO EXPECTED IN THE WESTERN
VALLEYS WHERE THE SNOW WILL MIX WITH RAIN FRIDAY BEFORE BECOMING
ALL SNOW AGAIN FRIDAY NIGHT. STRONG WEST WINDS WILL ACCOMPANY THE
TROUGH AND ASSOCIATED FRONTAL PASSAGE SATURDAY MORNING WITH STRONG
WINDS POSSIBLE IN EASTERN SWEETWATER COUNTY. SOME SNOW SHOWERS ARE
EXPECTED EAST OF THE DIVIDE SATURDAY AS THE FRONT MOVES THROUGH
WITH EVEN AN ISOLATED THUNDERSTORM POSSIBLE IN THE NORTHERN THIRD
OF WYOMING. HIGH PRESSURE WILL BUILD BACK INTO THE AREA SATURDAY
AFTERNOON THROUGH SUNDAY RESULTING IN FAIR WEATHER.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING FROM 11 PM THIS EVENING TO 5 AM MST
SATURDAY WYZ001-002-012-014-024.

HIGH WIND WARNING UNTIL 11 PM MST THIS EVENING WYZ019-030.

HIGH WIND WARNING UNTIL 5 PM MST THIS AFTERNOON WYZ020.

WINTER WEATHER ADVISORY FROM 11 PM THIS EVENING TO 11 AM MST
FRIDAY WYZ013.

&&

SHORT TERM...LIPSON
LONG TERM...AEM
AVIATION...KPL
FIRE WEATHER...LIPSON
Hazardous weather outlook, Dec 29, 4:08 PM MST, 4 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
408 PM MST THU DEC 29 2011

WYZ001>020-022>030-301300-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
408 PM MST THU DEC 29 2011

...WINTER STORM WARNINGS ISSUED FROM LATE TONIGHT THROUGH SATURDAY
MORNING FOR THE WESTERN MOUNTAINS...

...WINTER WEATHER ADVISORY ISSUED FROM LATE TONIGHT THROUGH
FRIDAY MORNING FOR JACKSON HOLE..

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TONIGHT

SNOW HAS ENDED ACROSS MOST OF THE REGION...AND NORTHWEST WINDS
CONTINUE TO TAPER OFF THIS EVENING AS THE DISTURBANCE THAT IMPACTED
THE REGION MOVES EAST. HOWEVER...SNOW WILL ONCE AGAIN INCREASE IN
THE WEST LATE TONIGHT INTO THURSDAY AS THE NEXT DISTURBANCE TAKES AIM
AT THE STATE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

FRIDAY AND SATURDAY...ANOTHER ROUND OF SIGNIFICANT SNOWFALL AND WIND
EXPECTED ACROSS THE WESTERN MOUNTAINS AND VALLEYS FRIDAY THROUGH
SATURDAY MORNING. STRONG WINDS ARE LIKELY TO DEVELOP OVER PORTIONS OF
CENTRAL WYOMING FRIDAY AFTERNOON AND NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT WINDS OVER 45 MPH...AND ANY
DAMAGE ASSOCIATED WITH THE STRONG WINDS. WESTERN WYOMING SPOTTERS
ARE REQUESTED TO PROVIDE SNOWFALL TOTALS. THANK YOU.

TEAM RIVERTON

In the hours before

Local storm report, Dec 29, 4:58 PM MST, 3 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
458 PM MST THU DEC 29 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0306 AM     NON-TSTM WND GST CLARK                   44.90N 109.15W
12/29/2011  M74.00 MPH       PARK               WY   MESONET

0756 AM     NON-TSTM WND GST 3 SE U.S. HWY 287 MILE  42.57N 108.27W
12/29/2011  M60.00 MPH       FREMONT            WY   DEPT OF HIGHWAYS

            MEASURED AT BEAVER RIM.

0830 AM     NON-TSTM WND GST RENDEZVOUS PEAK         43.60N 110.87W
12/29/2011  M76.00 MPH       TETON              WY   MESONET

            MEASURED BY BTAVAL EQUIPMENT. ELEVATION IS AT 10318 FT.

0851 AM     NON-TSTM WND GST 5 N JACKSON             43.55N 110.76W
12/29/2011  M59.00 MPH       TETON              WY   AWOS

            JACKSON AIRPORT.

0930 AM     NON-TSTM WND GST 1 NNW MOUNT COFFIN      42.64N 110.64W
12/29/2011  M134 MPH         LINCOLN            WY   MESONET

            MEASURED FROM BTAVAL EQUIPMENT. ELEVATION IS 10870 FT.

1001 AM     NON-TSTM WND GST 2 N BUFFALO             44.37N 106.72W
12/29/2011  M61.00 MPH       JOHNSON            WY   ASOS

            BUFFALO AIRPORT.

1011 AM     NON-TSTM WND GST HILAND                  43.12N 107.35W
12/29/2011  M55.00 MPH       NATRONA            WY   DEPT OF HIGHWAYS

1040 AM     NON-TSTM WND GST 5 NW CASPER             42.88N 106.40W
12/29/2011  M53.00 MPH       NATRONA            WY   ASOS

            CASPER AIRPORT.

1055 AM     NON-TSTM WND GST 2 WNW DUBOIS            43.55N 109.68W
12/29/2011  M58.00 MPH       FREMONT            WY   AWOS

            DUBOIS AIRPORT.

1057 AM     NON-TSTM WND DMG CASPER                  42.83N 106.33W
12/29/2011                   NATRONA            WY   LAW ENFORCEMENT

            MCDONALDS SIGN BLEW OVER INTO THE STREET.

1122 AM     NON-TSTM WND GST ROCK SPRINGS            41.60N 109.22W
12/29/2011  M59.00 MPH       SWEETWATER         WY   ASOS

            ROCK SPRINGS AIRPORT.

1150 AM     NON-TSTM WND GST 1 NE DEAD INDIAN PASS   44.75N 109.37W
12/29/2011  M86.00 MPH       PARK               WY   DEPT OF HIGHWAYS

1241 PM     NON-TSTM WND GST MEETEETSE               44.16N 108.87W
12/29/2011  M56.00 MPH       PARK               WY   DEPT OF HIGHWAYS

1248 PM     NON-TSTM WND GST RIVERTON                43.04N 108.42W
12/29/2011  M54.00 MPH       FREMONT            WY   ASOS

            RIVERTON AIRPORT.

0116 PM     NON-TSTM WND GST 1 SW I80 EXIT 184       41.71N 107.79W
12/29/2011  M63.00 MPH       SWEETWATER         WY   DEPT OF HIGHWAYS

            MEASURED ABOUT 5 MILES EAST OF WAMSUTTER.

&&

21

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 8:45 PM MSTHigh Wind WatchRIWFremont, Lincoln, Sublette, Sweetwater18 hr

Nearby

High Wind Warnings in Wyoming, 2011Every high wind warning in 2011

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.