Alert archive / Wyoming / High Wind Watches in 2012

High Wind Watch 3, NWS Riverton, WY

January 16, 20124 counties in Wyoming

NWS Riverton, WY issued this high wind watch at Jan 16, 2012, 1:49 PM MST for 4 counties in Wyoming. It took effect at Jan 18, 2012, 2:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 16, 2012, 1:49 PM MST (20:49 UTC)
In effect from
Jan 18, 2012, 2:00 AM MST
Expired
Jan 17, 2012, 9:18 PM MST
In force
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Natrona County, WY, Sublette County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 51 km from the middle of the area, began a volume at 20:50 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.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 8.8 hours before the alert went out and 53 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2012-01-16Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2012-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.1939587897117Sfc1 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
1101 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
280 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.

840 
WWUS75 KRIW 162049
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
149 PM MST MON JAN 16 2012

...VERY STRONG SOUTHWEST TO WEST WINDS ARE POSSIBLE ACROSS
PORTIONS OF CENTRAL WYOMING LATE TONIGHT THROUGH LATE WEDNESDAY
NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT MAY RESULT IN
VERY STRONG SOUTHWEST TO WEST WINDS ACROSS PORTIONS OF CENTRAL
WYOMING LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT.

WYZ015-171200-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
149 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...WEST SOUTHWEST WINDS WILL STEADILY INCREASE
  TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH
  SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE WEDNESDAY
  INTO WEDNESDAY NIGHT.

* WIND...WEST SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 MPH
  ARE POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER OF A
  MILE TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL WHITE OUT
  CONDITIONS.

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.

&&

$$

WYZ019-171200-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
149 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH
  SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE
  WEDNESDAY INTO WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS TO 60 MPH
  ARE POSSIBLE.

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 FROM
  BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM BEAVER
  RIM TO SWEETWATER STATION COULD BECOME HAZARDOUS WITH DANGEROUS
  CROSS WINDS. STRONG WINDS ALSO COULD OCCUR ALONG HIGHWAY 220
  FROM INDEPENDENCE ROCK TO ALCOVA.

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.

&&

$$

WYZ016-171200-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
149 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...WEST NORTHWEST WINDS WILL STEADILY
  INCREASE TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY
  HIGH SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE
  WEDNESDAY INTO WEDNESDAY NIGHT.

* WIND...WEST NORTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS TO 60 MPH
  POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 26 COULD BECOME HAZARDOUS...ESPECIALLY
  IF DRIVING A HIGH PROFILE VEHICLE.

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.

&&

$$

LIPSON
6 follow-up statements
147 
WWUS75 KRIW 162058 CCA
NPWRIW

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE RIVERTON WY
157 PM MST MON JAN 16 2012

...VERY STRONG SOUTHWEST TO WEST WINDS ARE POSSIBLE ACROSS
PORTIONS OF CENTRAL WYOMING LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT MAY RESULT IN
VERY STRONG SOUTHWEST TO WEST WINDS ACROSS PORTIONS OF CENTRAL
WYOMING LATE TUESDAY NIGHT THROUGH LATE WEDNESDAY NIGHT.

WYZ015-171215-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
157 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...WEST SOUTHWEST WINDS WILL STEADILY INCREASE
  TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH
  SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE WEDNESDAY
  INTO WEDNESDAY NIGHT.

* WIND...WEST SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 MPH
  ARE POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER OF A
  MILE TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL WHITE OUT
  CONDITIONS.

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.

&&

$$

WYZ019-171215-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
157 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH
  SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE
  WEDNESDAY INTO WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS TO 60 MPH
  ARE POSSIBLE.

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 FROM
  BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM BEAVER
  RIM TO SWEETWATER STATION COULD BECOME HAZARDOUS WITH DANGEROUS
  CROSS WINDS. STRONG WINDS ALSO COULD OCCUR ALONG HIGHWAY 220
  FROM INDEPENDENCE ROCK TO ALCOVA.

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.

&&

$$

WYZ016-171215-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
157 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...WEST NORTHWEST WINDS WILL STEADILY
  INCREASE TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY
  HIGH SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE
  WEDNESDAY INTO WEDNESDAY NIGHT.

* WIND...WEST NORTHWEST WINDS OF 40 TO 50 MPH WITH GUSTS TO 60 MPH
  POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 26 COULD BECOME HAZARDOUS...ESPECIALLY
  IF DRIVING A HIGH PROFILE VEHICLE.

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.

&&

$$

LIPSON
650 
WWUS75 KRIW 162104 CCA
NPWRIW

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE RIVERTON WY
201 PM MST MON JAN 16 2012

...VERY STRONG SOUTHWEST TO WEST WINDS ARE POSSIBLE ACROSS 
PORTIONS OF CENTRAL WYOMING LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT MAY RESULT IN
VERY STRONG SOUTHWEST TO WEST WINDS ACROSS PORTIONS OF CENTRAL
WYOMING LATE TUESDAY NIGHT THROUGH LATE WEDNESDAY NIGHT.

WYZ015-171245-
/O.NEW.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
201 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...WEST SOUTHWEST WINDS WILL STEADILY INCREASE
  TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH
  SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE WEDNESDAY
  INTO WEDNESDAY NIGHT.

* WIND...WEST SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 MPH
  ARE POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER OF A
  MILE TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL WHITE OUT
  CONDITIONS.

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.

&&

$$

WYZ019-171245-
/O.COR.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
201 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH
  SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE
  WEDNESDAY INTO WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE
  POSSIBLE.

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 FROM
  BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM BEAVER
  RIM TO SWEETWATER STATION COULD BECOME HAZARDOUS WITH DANGEROUS
  CROSS WINDS. STRONG WINDS ALSO COULD OCCUR ALONG HIGHWAY 220
  FROM INDEPENDENCE ROCK TO ALCOVA.

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.

&&

$$

WYZ016-171245-
/O.COR.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
201 PM MST MON JAN 16 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...WEST NORTHWEST WINDS WILL STEADILY
  INCREASE TUESDAY NIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY
  HIGH SPEEDS BY LATE TUESDAY NIGHT. THESE WINDS MAY CONTINUE
  WEDNESDAY INTO WEDNESDAY NIGHT.

* WIND...WEST NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60
  MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 26 COULD BECOME HAZARDOUS...ESPECIALLY
  IF DRIVING A HIGH PROFILE VEHICLE.

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.

&&

$$

LIPSON
878 
WWUS75 KRIW 170942
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
242 AM MST TUE JAN 17 2012

...VERY STRONG SOUTHWEST TO WEST WINDS ARE POSSIBLE ACROSS
PORTIONS OF CENTRAL WYOMING LATE TONIGHT THROUGH LATE WEDNESDAY
NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT MAY RESULT IN
VERY STRONG SOUTHWEST TO WEST WINDS ACROSS PORTIONS OF CENTRAL
WYOMING LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT.

WYZ020-172300-
/O.EXB.KRIW.HW.A.0003.120118T1200Z-120119T1200Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
242 AM MST TUE JAN 17 2012

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TONIGHT. THESE WINDS MAY CONTINUE WEDNESDAY INTO WEDNESDAY
  NIGHT.

* WIND...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 20/26
  FROM HILAND TO CASPER AND HIGHWAY 287 FROM CASPER TO ALCOVA.
  STRONG CROSS WIND COULD PRODUCE HAZARDOUS TRAVEL CONDITIONS.

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.

&&

$$

WYZ015-172300-
/O.CON.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
242 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...WEST SOUTHWEST WINDS WILL STEADILY INCREASE
  TONIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH SPEEDS BY
  EARLY MORNING WEDNESDAY. THESE WINDS MAY CONTINUE INTO
  WEDNESDAY NIGHT.

* WIND...WEST SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER MILE
  TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL WHITE OUT
  CONDITIONS.

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.

&&

$$

WYZ019-172300-
/O.CON.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
242 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TONIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH SPEEDS BY
  EARLY MORNING WEDNESDAY. THESE WINDS MAY CONTINUE INTO
  WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH 
  ARE POSSIBLE. 

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 
  FROM BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM 
  BEAVER RIM TO SWEETWATER STATION COULD BECOME HAZARDOUS WITH 
  DANGEROUS CROSS WINDS. STRONG WINDS ALSO COULD OCCUR ALONG 
  HIGHWAY 220 FROM INDEPENDENCE ROCK TO ALCOVA. 

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.

&&

$$

WYZ016-172300-
/O.CON.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
242 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...WEST NORTHWEST WINDS WILL STEADILY INCREASE
  TONIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH SPEEDS BY
  EARLY MORNING WEDNESDAY. THESE WINDS MAY CONTINUE INTO
  WEDNESDAY NIGHT.

* WIND...WEST NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 
  MPH POSSIBLE. 

* IMPACTS...TRAVEL ALONG HIGHWAY 26 COULD BECOME HAZARDOUS... 
  ESPECIALLY IF DRIVING A HIGH PROFILE VEHICLE. 

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.

&&

$$
777 
WWUS75 KRIW 171803
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1103 AM MST TUE JAN 17 2012

...VERY STRONG SOUTHWEST WINDS ARE POSSIBLE ACROSS PORTIONS OF
CENTRAL WYOMING THROUGH LATE WEDNESDAY NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT MAY RESULT IN
VERY STRONG SOUTHWEST TO WEST WINDS ACROSS PORTIONS OF CENTRAL
WYOMING THROUGH LATE WEDNESDAY NIGHT.

WYZ003-172300-
/O.NEW.KRIW.HW.W.0003.120117T1803Z-120118T0600Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1103 AM MST TUE JAN 17 2012

...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...VERY STRONG SOUTHWEST WINDS ARE EXPECTED TO
  CONTINUE THROUGH THIS EVENING...ESPECIALLY FROM THE WEST SIDE OF
  CODY NORTH TO CLARK. THE STRONGEST WINDS WILL LIKELY BE THIS
  AFTERNOON THROUGH EARLY THIS EVENING.

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS OF 60 TO 70 MPH. GUSTS
  AROUND 80 MPH ARE POSSIBLE ON THE WEST SIDE OF CLARK.

* IMPACTS...TRAVELLERS BETWEEN CODY AND CLARK WILL EXPERIENCE
  ERRATIC AND VERY SHARP CROSSWINDS AT TIMES. USE EXTREME CAUTION
  OF TRAVELLING IN THIS AREA. RESIDENTS OF THE AREA SHOULD SECURE
  ALL LOOSE OUTDOOR ITEMS.

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.

&&

$$

WYZ018-172300-
/O.EXB.KRIW.HW.A.0003.120118T2100Z-120119T1200Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
1103 AM MST TUE JAN 17 2012

...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
LATE WEDNESDAY NIGHT...

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

* SUMMARY AND TIMING...VERY STRONG SOUTHWEST WINDS MAY DEVELOP
  BETWEEN LANDER AND FORT WASHAKIE WEDNESDAY AFTERNOON AND
  CONTINUE THROUGH WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH 
  ARE POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 287 BETWEEN LANDER AND FORT
  WASHAKIE MAY BECOME HAZARDOUS DUE TO VERY STRONG AND ERRATIC
  CROSS WINDS. 

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.

&&

$$

WYZ015-172300-
/O.CON.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
1103 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...WEST SOUTHWEST WINDS WILL STEADILY 
  INCREASE TONIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH 
  SPEEDS BY EARLY MORNING WEDNESDAY. THESE WINDS MAY CONTINUE 
  INTO WEDNESDAY NIGHT. 

* WIND...WEST SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 
  MPH POSSIBLE.

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME 
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME 
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY 
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER 
  MILE TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL WHITE 
  OUT CONDITIONS. 

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.

&&

$$

WYZ019-172300-
/O.CON.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1103 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE 
  TONIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH SPEEDS BY 
  EARLY MORNING WEDNESDAY. THESE WINDS MAY CONTINUE INTO 
  WEDNESDAY NIGHT. 

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH 
  ARE POSSIBLE. 

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 
  FROM BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM 
  BEAVER RIM TO SWEETWATER STATION COULD BECOME HAZARDOUS WITH 
  DANGEROUS CROSS WINDS. STRONG WINDS ALSO COULD OCCUR ALONG 
  HIGHWAY 220 FROM INDEPENDENCE ROCK TO ALCOVA. 

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.

&&

$$

WYZ016-172300-
/O.CON.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
1103 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...WEST NORTHWEST WINDS WILL STEADILY 
  INCREASE TONIGHT. WIND SPEEDS MAY INCREASE TO CRITICALLY HIGH 
  SPEEDS BY EARLY MORNING WEDNESDAY. THESE WINDS MAY CONTINUE 
  INTO WEDNESDAY NIGHT. 

* WIND...WEST NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 
  MPH POSSIBLE. 

* IMPACTS...TRAVEL ALONG HIGHWAY 26 COULD BECOME HAZARDOUS... 
  ESPECIALLY IF DRIVING A HIGH PROFILE VEHICLE. 

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.

&&

$$

WYZ020-172300-
/O.CON.KRIW.HW.A.0003.120118T1200Z-120119T1200Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
1103 AM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE 
  TONIGHT. THESE WINDS MAY CONTINUE WEDNESDAY INTO WEDNESDAY 
  NIGHT. 

* WIND...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH 
  POSSIBLE.

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 20/26 
  FROM HILAND TO CASPER AND HIGHWAY 287 FROM CASPER TO ALCOVA. 
  STRONG CROSS WIND COULD PRODUCE HAZARDOUS TRAVEL CONDITIONS. 

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
449 
WWUS75 KRIW 172023
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
123 PM MST TUE JAN 17 2012

...VERY STRONG SOUTHWEST WINDS EXPECTED ACROSS PORTIONS OF
CENTRAL WYOMING THROUGH LATE WEDNESDAY NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT WILL RESULT IN
VERY STRONG SOUTHWEST WINDS ACROSS PORTIONS OF CENTRAL WYOMING
THROUGH LATE WEDNESDAY NIGHT.

WYZ015-181200-
/O.UPG.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
/O.NEW.KRIW.HW.W.0004.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
123 PM MST TUE JAN 17 2012

...HIGH WIND WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM MST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TONIGHT LEADING TO HIGH WINDS BY EARLY WEDNESDAY MORNING. THESE
  VERY STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 MPH WITH
  GUSTS IN EXCESS OF 80 MPH IN EXPOSED LOCATIONS AND HIGHER PEAKS.

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME 
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME 
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY 
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER 
  MILE TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL 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.

&&

$$

WYZ016-181200-
/O.UPG.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
/O.NEW.KRIW.HW.W.0004.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
123 PM MST TUE JAN 17 2012

...HIGH WIND WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM MST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WEST WINDS WILL STEADILY INCREASE TONIGHT
  LEADING TO HIGH WINDS BY EARLY MORNING. THESE WINDS WILL
  CONTINUE THROUGH WEDNESDAY NIGHT.

* WIND...WEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVELLERS ALONG HIGHWAY 26 WILL HAVE TO USE EXTREME
  CAUTION DUE TO THESE VERY GUSTY AND ERRATIC HIGH WINDS...
  ESPECIALLY IF DRIVING A HIGH PROFILE VEHICLE.

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.

&&

$$

WYZ019-181200-
/O.UPG.KRIW.HW.A.0003.120118T0900Z-120119T1200Z/
/O.NEW.KRIW.HW.W.0004.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
123 PM MST TUE JAN 17 2012

...HIGH WIND WARNING IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM MST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE
  TONIGHT LEADING TO HIGH WINDS BY EARLY WEDNESDAY MORNING. THESE
  VERY STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT.

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH.
  EVEN STRONGER GUSTS TO 75 MPH ARE EXPECTED OVER AND NEAR THE
  MOUNTAINS. 

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 FROM
  BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM BEAVER
  RIM TO SWEETWATER STATION WILL BECOME HAZARDOUS WITH DANGEROUS
  CROSS WINDS. STRONG WINDS WILL ALSO OCCUR ALONG HIGHWAY 220
  FROM INDEPENDENCE ROCK TO ALCOVA.

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.

&&

$$

WYZ003-180600-
/O.CON.KRIW.HW.W.0003.000000T0000Z-120118T0600Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
123 PM MST TUE JAN 17 2012

...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...VERY STRONG SOUTHWEST WINDS ARE EXPECTED TO
  CONTINUE THROUGH THIS EVENING...ESPECIALLY FROM THE WEST SIDE OF
  CODY NORTH TO CLARK. THE STRONGEST WINDS WILL LIKELY BE THIS
  AFTERNOON THROUGH EARLY THIS EVENING. WINDS HAVE ALREADY GUSTED
  TO 82 MPH ON THE WEST SIDE OF CLARK AND 64 MPH ON THE WEST SIDE
  OF CODY.

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS OF 60 TO 70 MPH. GUSTS
  AROUND 80 MPH ARE EXPECTED ON THE WEST SIDE OF CLARK.

* IMPACTS...TRAVELLERS BETWEEN CODY AND CLARK WILL EXPERIENCE 
  ERRATIC AND VERY SHARP CROSSWINDS AT TIMES. USE EXTREME 
  CAUTION OF TRAVELLING IN THIS AREA. RESIDENTS OF THE AREA 
  SHOULD SECURE ALL LOOSE OUTDOOR ITEMS. 

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.

&&

$$

WYZ020-181200-
/O.CON.KRIW.HW.A.0003.120118T1200Z-120119T1200Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
123 PM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE 
  TONIGHT. THESE WINDS MAY CONTINUE WEDNESDAY INTO WEDNESDAY 
  NIGHT. 

* WIND...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH 
  POSSIBLE. 

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 20/26 
  FROM HILAND TO CASPER AND HIGHWAY 287 FROM CASPER TO ALCOVA. 
  STRONG CROSS WIND COULD PRODUCE HAZARDOUS TRAVEL CONDITIONS. 

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.

&&

$$

WYZ018-181200-
/O.CON.KRIW.HW.A.0003.120118T2100Z-120119T1200Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
123 PM MST TUE JAN 17 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT. 

* SUMMARY AND TIMING...VERY STRONG SOUTHWEST WINDS MAY DEVELOP 
  BETWEEN LANDER AND FORT WASHAKIE WEDNESDAY AFTERNOON AND 
  CONTINUE THROUGH WEDNESDAY NIGHT. 

* WIND...SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH 
  ARE POSSIBLE. 

* IMPACTS...TRAVEL ALONG HIGHWAY 287 BETWEEN LANDER AND FORT 
  WASHAKIE MAY BECOME HAZARDOUS DUE TO VERY STRONG AND ERRATIC 
  CROSS WINDS. 

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
614 
WWUS75 KRIW 180418
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
918 PM MST TUE JAN 17 2012

...VERY STRONG SOUTHWEST WINDS EXPECTED ACROSS PORTIONS OF
CENTRAL WYOMING THROUGH LATE WEDNESDAY NIGHT...

.THE COMBINATION OF STRONG WESTERLY WINDS ALOFT LOWERING TO THE
TERRAIN AND A TIGHTENING SURFACE PRESSURE GRADIENT WILL RESULT IN
VERY STRONG SOUTHWEST WINDS ACROSS PORTIONS OF CENTRAL WYOMING
THROUGH LATE WEDNESDAY NIGHT.

WYZ020-181300-
/O.UPG.KRIW.HW.A.0003.120118T1200Z-120119T1200Z/
/O.EXB.KRIW.HW.W.0004.120118T1200Z-120119T1200Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
918 PM MST TUE JAN 17 2012

...HIGH WIND WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 AM MST
THURSDAY...

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

* SUMMARY AND TIMING...A SOUTHWEST WIND WILL STEADILY INCREASE
  OVERNIGHT. STRONG GUSTY WIND WILL OCCUR WEDNESDAY AND WEDNESDAY
  NIGHT.

* WIND...SOUTHWEST WIND INCREASING TO 35 TO 45 MPH WITH GUSTS TO
  65 MPH.

* IMPACTS...STRONG AND SUDDEN WIND GUSTS WILL CREATE HAZARDOUS
  DRIVING CONDITIONS. THIS INCLUDES HIGHWAY 20 26 FROM HILAND TO
  CASPER...HIGHWAY 220 FROM CASPER TO ALCOVA...AND HIGHWAY 258 OR
  WYOMING BOULEVARD IN CASPER.

&&

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.

&&

$$

WYZ018-181300-
/O.UPG.KRIW.HW.A.0003.120118T2100Z-120119T1200Z/
/O.EXB.KRIW.HW.W.0004.120118T2100Z-120119T1200Z/
LANDER FOOTHILLS-
INCLUDING THE CITY OF...LANDER
918 PM MST TUE JAN 17 2012

...HIGH WIND WARNING IN EFFECT FROM 2 PM WEDNESDAY TO 5 AM MST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 PM WEDNESDAY TO 5 AM MST
THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...VERY STRONG SOUTHWEST WINDS ARE FORECAST TO
  OCCUR AT TIMES BETWEEN LANDER AND FORT WASHAKIE WEDNESDAY
  AFTERNOON AND CONTINUE INTO WEDNESDAY NIGHT. THE STRONG WIND
  SPEEDS AND GUSTS WILL BE QUITE SUDDEN...WITH LIGHTER WIND
  SPEEDS BETWEEN HIGH WIND EPISODES.

* WIND...SOUTHWEST WIND OF 35 TO 45 MPH WITH GUSTS TO 65 MPH ARE
  EXPECTED. 

* IMPACTS...TRAVEL ALONG HIGHWAY 287 BETWEEN LANDER AND FORT 
  WASHAKIE MAY BECOME HAZARDOUS DUE TO VERY STRONG AND ERRATIC 
  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. 

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.

&&

$$

WYZ015-181300-
/O.CON.KRIW.HW.W.0004.120118T0900Z-120119T1200Z/
WIND RIVER MOUNTAINS EAST-
918 PM MST TUE JAN 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
5 AM MST THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM
MST THURSDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE 
  TONIGHT LEADING TO HIGH WINDS BY EARLY WEDNESDAY MORNING. 
  THESE VERY STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT. 

* WIND...SOUTHWEST WINDS OF 50 TO 60 MPH WITH GUSTS TO 75 MPH 
  WITH GUSTS IN EXCESS OF 80 MPH IN EXPOSED LOCATIONS AND HIGHER 
  PEAKS. 

* IMPACTS...TRAVEL ALONG HIGHWAY 28 OVER SOUTH PASS COULD BECOME 
  QUITE HAZARDOUS WITH DANGEROUS CROSS WINDS. IN ADDITION...SOME 
  BLOWING AND DRIFTING SNOW COULD OCCUR WEDNESDAY AND WEDNESDAY 
  NIGHT RESULTING IN LOWERING VISIBILITY TO BETWEEN A QUARTER 
  MILE TO NEAR ZERO AT TIMES ALONG WITH OCCASIONAL LOCAL 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.

&&

$$

WYZ016-181300-
/O.CON.KRIW.HW.W.0004.120118T0900Z-120119T1200Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
918 PM MST TUE JAN 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
5 AM MST THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM
MST THURSDAY. 

* SUMMARY AND TIMING...WEST WINDS WILL STEADILY INCREASE AFTER
  MIDNIGHT LEADING TO HIGH WINDS EARLY WEDNESDAY MORNING. THESE
  WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT.

* WIND...WEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH.

* IMPACTS...TRAVELERS ALONG HIGHWAY 26 WILL HAVE TO USE EXTREME 
  CAUTION DUE TO THESE VERY GUSTY AND ERRATIC HIGH WINDS... 
  ESPECIALLY IF DRIVING A HIGH PROFILE VEHICLE. 

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.

&&

$$

WYZ019-181300-
/O.CON.KRIW.HW.W.0004.120118T0900Z-120119T1200Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
918 PM MST TUE JAN 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
5 AM MST THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM
MST THURSDAY. 

* SUMMARY AND TIMING...SOUTHWEST WINDS WILL STEADILY INCREASE 
  TONIGHT LEADING TO HIGH WINDS BY EARLY WEDNESDAY MORNING. 
  THESE VERY STRONG WINDS WILL CONTINUE THROUGH WEDNESDAY NIGHT. 

* WIND...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 65 MPH. 
  EVEN STRONGER GUSTS TO 75 MPH ARE EXPECTED OVER AND NEAR THE 
  MOUNTAINS. 

* IMPACTS...TRAVEL ALONG AREA HIGHWAYS INCLUDING HIGHWAY 287 
  FROM BEAVER RIM TO EAST OF JEFFREY CITY AND HIGHWAY 135 FROM 
  BEAVER RIM TO SWEETWATER STATION WILL BECOME HAZARDOUS WITH 
  DANGEROUS CROSS WINDS. STRONG WINDS WILL ALSO OCCUR ALONG 
  HIGHWAY 220 FROM INDEPENDENCE ROCK TO ALCOVA. 

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.

&&

$$

WYZ003-180600-
/O.CON.KRIW.HW.W.0003.000000T0000Z-120118T0600Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
918 PM MST TUE JAN 17 2012

...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...VERY STRONG SOUTHWEST WINDS ARE EXPECTED TO
  CONTINUE THROUGH THIS EVENING...ESPECIALLY FROM THE WEST SIDE OF
  CODY NORTH TO CLARK. 

* WIND...SOUTHWEST 30 TO 40 MPH WITH GUSTS OF 60 TO 70 MPH. 
  GUSTS AROUND 80 MPH ARE EXPECTED ON THE WEST SIDE OF CLARK. 

* IMPACTS...TRAVELERS BETWEEN CODY AND CLARK WILL EXPERIENCE 
  ERRATIC AND VERY SHARP CROSSWINDS AT TIMES. USE EXTREME 
  CAUTION OF TRAVELLING IN THIS AREA. RESIDENTS OF THE AREA 
  SHOULD SECURE ALL LOOSE OUTDOOR ITEMS. 

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.

&&

$$

What forecasters said that day

The local office's own words before this high wind watch 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 watch went out at Jan 16, 11:30 AM MST, 2 hours 19 minutes earlier.

Area forecast discussion, Jan 16, 11:30 AM MST, 2 hours 19 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
1130 AM MST MON JAN 16 2012

.SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT

THE ARCTIC FRONT HAS PLUNGED SOUTHWARD INTO CENTRAL WYOMING
OVERNIGHT BRINGING BREEZY NORTH WINDS AND A SHARP DROP IN
TEMPERATURES AFTER A DAY WITH HIGHS WELL ABOVE NORMAL FOR THIS TIME
OF YEAR.  TEMPERATURES HAVE DROPPED INTO THE TEENS ACROSS THE LOWER
ELEVATIONS OF NORTHERN AND CENTRAL WYOMING EARLY THIS MORNING.
THERE WILL NOT BE MUCH IF ANY TEMPERATURE RECOVERY TODAY WITH
TEMPERATURES REMAINING STEADY OR FALLING AS THE ARCTIC AIRMASS
SETTLES IN ACROSS THE AREA.  LIGHT SNOW HAS ALSO BEGUN IN FAR
NORTHERN WYOMING.  A STRENGTHENING SHORTWAVE TROUGH WILL MOVE ACROSS
THE AREA BY THIS EVENING BRINGING THE POTENTIAL FOR AN EXTRA SHOT OF
SNOW ACROSS CENTRAL AND SOUTHERN WYOMING LATER IN THE DAY.
HOWEVER...MOISTURE IS LIMITED AND THE COLD AIR WILL KEEP THE
DENDRITIC GROWTH ZONE SUB CLOUD LAYER SO ACCUMULATION SHOULD BE
LIGHT. MOST LOWER ELEVATIONS WILL SEE A TRACE TO AN INCH OF SNOW
WITH FAR NORTHERN WYOMING AND THE CASPER AREA SEEING A LITTLE MORE.
THE MOUNTAINS SHOULD SEE 3 TO 5 INCHES OF NEW SNOW BY TONIGHT.
TUESDAY WILL SEE THE COLD CONTINUING WITH THE POTENTIAL FOR SOME
WARMING ALONG THE FOOTHILLS EAST OF THE BIGHORN...WIND RIVER...AND
ABSAROKA RANGES AS WINDY CONDITIONS DEVELOP AND DOWNSLOPE MIXING
ALLOWS FOR LOCAL EROSION OF THE INVERSION.  A STREAM OF PACIFIC
MOISTURE WILL REACH WESTERN WYOMING WEDNESDAY BRINGING RENEWED
SNOWFALL TO THE WESTERN MOUNTAINS.  IT APPEARS THIS IS THE BEGINNING
OF A MORE TYPICAL WINTER PATTERN WE HAVE NOT YET SEEN THIS WINTER.
SIGNIFICANT SNOWFALL IS LIKELY WITH THE MOIST WESTERLY FLOW LASTING
BEYOND WEDNESDAY.  THE TEMPERATURE FORECAST WILL BE A TOUGH ONE FOR
THE CENTRAL BASINS WEDNESDAY AS THE ARCTIC FRONT BEGINS TO LIFT OFF
TO THE NORTH AND EAST.  THE MODELS HAVE BEEN TRENDING SLOWER WITH
THE MOVEMENT OF THE FRONT BUT A SHORTWAVE MOVING THROUGH MONTANA
WILL INCREASE THE PRESSURE GRADIENT AND THEREFORE THE WIND ALLOWING
FOR BOUNDARY LAYER MIXING TO OCCUR.  CONFIDENCE IS HIGH IN THE WINDY
CONDITIONS BUT THE TEMPERATURE OF THE AIRMASS AT THE TIME OF MIXING
WILL ULTIMATELY DETERMINE HOW WARM THE TEMPERATURES CAN GET AT THE
SURFACE.  WIND WILL APPROACH HIGH WIND CRITERIA IN SOME AREAS
PARTICULARLY IN FAVORED AREAS ALONG THE RED DESERT TO CASPER
CORRIDOR.

.LONG TERM...THURSDAY THROUGH MONDAY

A MOIST...STRONG WESTERLY FLOW...IN COMBINATION WITH EMBEDDED
DISTURBANCES AND STRONG UPPER JET SUPPORT WILL RESULT IN A PROLONG
PERIOD OF SNOW OUT WEST...WITH PERIODS OF SIGNIFICANT ACCUMULATING
SNOW THROUGH FRIDAY. EAST OF THE DIVIDE...MAINLY DRY...MILD AND
STRONG WINDS WILL BE THE RULE.

GLOBAL MODELS CONTINUE TO SHOW A TRANSITION FROM A STRONG MOIST
WESTERLY FLOW...TO A MORE AMPLIFIED...BUT STILL PROGRESSIVE PATTERN
THIS UPCOMING WEEKEND. THE MORE AMPLIFIED PATTERN WOULD RESULT IN A
BETTER SHOT OF PRECIPITATION AREA WIDE...BUT IT SHOULD ALSO
RESULT IN BREAKS IN THE STEADY...HEAVY AT TIMES...SNOWFALL OUT
WEST. ANOTHER SIGNIFICANT BOUT OF SNOWFALL IS EXPECTED OUT WEST
WITH THE 00Z ECMWF FAVORING SATURDAY WHILE THE 00Z GFS FAVORS LATE
SATURDAY NIGHT INTO SUNDAY.

TEMPERATURES THURSDAY AND FRIDAY ARE EXPECTED TO BE SLIGHTLY ABOVE
AVERAGE OUT WEST...AND WELL ABOVE AVERAGE EAST OF THE DIVIDE. THE
MORE AMPLIFIED PATTERN THIS UPCOMING WEEKEND WILL PUSH A COLD
FRONT ACROSS THE ENTIRE AREA...RETURNING TEMPERATURES TO MORE
SEASONAL READINGS IN WAKE OF THE COLD FRONT.

&&

.AVIATION.../18Z ISSUANCE/
FOR AREAS EAST OF THE DIVIDE AS WELL AS WELL AS SWEETWATER COUNTY
AND KRKS...LOW CLOUDS AND MOSTLY LIGHT SNOWFALL WITH LOCALLY
MODERATE SNOWFALL WILL RESULT IN REDUCED VISIBILITY AND LOWERED CIGS
RESULTING IN WIDESPREAD MVFR/IFR CONDITIONS WITH MTN OBSCURATIONS
THROUGH 03Z THIS EVENING. VFR CONDITIONS WILL FOLLOW. WEST OF THE
DIVIDE EXPECT VFR CONDITIONS THROUGH TONIGHT ALONG WITH SOME CLOUDS
AT AROUND 5K AGL TODAY OVER NORTHWEST WY. ON TUESDAY SOME LIGHT
SNOWFALL WILL DEVELOP OVER FAR WESTERN WY ALONG WITH LOWERING CIGS
AS WELL AS LOWERING VSBY OVER THE MTNS. OTHERWISE...ON TUESDAY
AFTERNOON EXPECT SOUTHWEST WINDS TO INCREASE ALONG THE SOUTHERN WIND
CORRIDOR FROM THE RED DESERT TO KCPR AND ALONG THE LEE SLOPES OF THE
ABSAROKA AND WIND RIVER MTNS. LLWS IS EXPECTED FROM KLND TO KCOD
TUESDAY AFTERNOON.

&&

.FIRE WEATHER...

MUCH COLDER TEMPERATURES ARE EXPECTED FOR THE NEXT FEW DAYS AS AN
ARCTIC AIRMASS SETTLES IN OVER THE AREA.  LIGHT SNOW IS POSSIBLE
ACROSS THE ENTIRE AREA WITH LITTLE ACCUMULATION IN THE LOWER
ELEVATIONS AND A FEW INCHES IN THE MOUNTAINS.  AFTER A BRIEF BREAK
ON TUESDAY...WINDS BEGIN TO KICK UP FOR WEDNESDAY ALONG WITH THE
BEGINNING OF A PERIOD OF SIGNIFICANT SNOWFALL IN THE WESTERN
MOUNTAINS THAT WILL LAST THROUGH THE END OF THE WEEK.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...NONE.

&&

SHORT TERM...BERC
LONG TERM...WM
AVIATION...AR
FIRE WEATHER...BERC
Hazardous weather outlook, Jan 16, 5:00 AM MST, 8 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MST MON JAN 16 2012

WYZ001>020-022>030-171300-
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-
500 AM MST MON JAN 16 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

LIGHT TO MODERATE SNOW IS POSSIBLE THROUGH THE DAY WITH VISIBILITY
REDUCED BELOW ONE HALF MILE AT TIMES.  ACCUMULATION IS EXPECTED TO
BE MINIMAL IN MOST AREAS WITH A COUPLE INCHES IN THE NORTHERN BIG
HORN BASIN...AND IN THE CASPER AREA.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WEDNESDAY THROUGH SUNDAY...PERIODS OF MODERATE TO HEAVY SNOWFALL
WITH SIGNIFICANT ACCUMULATION AND STRONG WIND LIKELY IN THE WEST.
STRONG TO HIGH WINDS ARE POSSIBLE EAST OF THE CONTINENTAL
DIVIDE...PARTICULARLY ALONG THE SOUTHERN WIND CORRIDOR FROM ROCK
SPRINGS TO CASPER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

TEAM RIVERTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 1:41 PM MSTWinter Storm WatchRIWFremont, Hot Springs, Lincoln, Park, Sublette, Teton32 hr

Nearby

High Wind Watches in Wyoming, 2012Every high wind watch in 2012

Sources

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