Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 20, NWS Riverton, WY

April 26, 20124 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Apr 26, 2012, 1:49 PM MDT for 4 counties in Wyoming. It took effect at Apr 26, 2012, 10:00 PM MDT. It was in force for 23 hr. 6 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
Apr 26, 2012, 1:49 PM MDT (19:49 UTC)
In effect from
Apr 26, 2012, 10:00 PM MDT
Expired
Apr 27, 2012, 9:00 PM MDT
In force
23 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 2 km from the middle of the area, began a volume at 19:52 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
Apr 27, 11:45 AM MDTNON-TSTM WND GST 5810 Ene Wamsutter, WY
Apr 27, 12:11 PM MDTNON-TSTM WND GST 581 Nw Natrona County Air, WY
Apr 27, 12:50 PM MDTNON-TSTM WND GST 582 N Green Mountain, WY
Apr 27, 1:30 PM MDTNON-TSTM WND DMG8 Sse Lander, WYTIN ROOF BLOWN OFF A MOBILE HOME TRAILER. ROOF WAS SECURE PRIOR TO WIND STORM. NO INJURIES. TIME ESTIMATED AROUND 130 PM.
Apr 27, 1:50 PM MDTNON-TSTM WND GST 602 N Green Mountain, WY
Apr 27, 3:05 PM MDTNON-TSTM WND GST 589 W Red Desert, 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 12:00Z, 7.8 hours before the alert went out and 7 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 2012-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.19395878Sfc1 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
2328 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
94 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.

312 
WWUS75 KRIW 261949
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
149 PM MDT THU APR 26 2012

...VERY STRONG WINDS EXPECTED ALONG THE CODY FOOTHILLS TONIGHT...
...VERY STRONG WINDS MAY ALSO DEVELOP ACROSS MUCH OF CENTRAL
WYOMING ON FRIDAY...

.A STRONG COLD FRONT WILL COMBINE WITH A FAVORABLE WIND PATTERN
OVER THE ABSAROKA MOUNTAINS TO PRODUCE HIGH WINDS ALONG THE CODY
FOOTHILLS TONIGHT. THIS STRONG COLD FRONT MAY ALSO PRODUCE HIGH
WINDS ACROSS THE AREA FROM RIVERTON TO CASPER AND SOUTH TO JEFFREY
CITY AND ROCK SPRINGS ON FRIDAY.

WYZ003-271200-
/O.UPG.KRIW.HW.A.0018.120427T0400Z-120427T1500Z/
/O.NEW.KRIW.HW.W.0020.120427T0400Z-120427T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
149 PM MDT THU APR 26 2012

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
MDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MDT
FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WEST WINDS ARE EXPECTED TO INCREASE 
  QUICKLY THIS EVENING AND CONTINUE OVERNIGHT BEFORE DECREASING 
  AROUND SUNRISE FRIDAY. 

* WIND...WEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH.

* IMPACTS...RESIDENTS BETWEEN CODY AND CLARK SHOULD SECURE ANY
  LOOSE ITEMS BEFORE THE WINDS HIT TONIGHT. ANYONE PLANNING TRAVEL
  ALONG HIGHWAY 120 BETWEEN CODY AND CLARK SHOULD BE PREPARED FOR
  THESE VERY STRONG CROSSWINDS TONIGHT.

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.

&&

$$

WYZ030-271200-
/O.NEW.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
149 PM MDT THU APR 26 2012

...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

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

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST EAST ACROSS
  THE AREA LATER TONIGHT THROUGH FRIDAY CREATING THE POTENTIAL FOR
  VERY STRONG WINDS IN EASTERN SWEETWATER COUNTY.

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

* IMPACTS...TRAVELLERS SHOULD BE PREPARED FOR THESE VERY STRONG
  WINDS ON FRIDAY...ESPECIALLY ON NORTH SOUTH TRAVEL ROUTES. HIGH PROFILE
  AND LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS.

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.

&&

$$

WYZ019-271200-
/O.NEW.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
149 PM MDT THU APR 26 2012

...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

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

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST EAST ACROSS
  THE AREA LATER TONIGHT THROUGH FRIDAY CREATING THE POTENTIAL FOR
  VERY STRONG WINDS.

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

* IMPACTS...TRAVEL ALONG HIGHWAY 135...220 AND 287 MAY BECOME
  HAZARDOUS ON FRIDAY AS THESE VERY STRONG WEST WINDS DEVELOP.
  HIGH PROFILE AND LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY
  CAUTIOUS.

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.

&&

$$

WYZ017-271200-
/O.NEW.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
149 PM MDT THU APR 26 2012

...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

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

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST EAST ACROSS
  THE AREA LATER TONIGHT THROUGH FRIDAY CREATING THE POTENTIAL FOR
  VERY STRONG WINDS.

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

* IMPACTS...TRAVEL ALONG HIGHWAYS 26 AND 789 MAY BECOME HAZARDOUS
  AS THE WINDS INCREASE FRIDAY MORNING...ESPECIALLY FOR TRAVELLERS
  WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES.

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.

&&

$$

WYZ020-271200-
/O.NEW.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
149 PM MDT THU APR 26 2012

...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON...

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

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST EAST ACROSS
  THE AREA LATER EARLY FRIDAY CREATING THE POTENTIAL FOR VERY STRONG
  WINDS.

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

* IMPACTS...TRAVEL ALONG HIGHWAY 26 MAY BECOME HAZARDOUS ON FRIDAY
  AS THESE VERY STRONG WEST WINDS DEVELOP. HIGH PROFILE AND
  LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS.

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
5 follow-up statements
051 
WWUS75 KRIW 270331
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
931 PM MDT THU APR 26 2012

...VERY STRONG WINDS TO IMPACT PORTIONS OF CENTRAL WYOMING TONIGHT
INTO FRIDAY...

.A STRONG COLD FRONT WILL COMBINE WITH A FAVORABLE WIND PATTERN
OVER THE ABSAROKA MOUNTAINS TO PRODUCE HIGH WINDS ALONG THE CODY
FOOTHILLS TONIGHT. THIS STRONG COLD FRONT WILL ALSO PRODUCE HIGH
WINDS ACROSS EASTERN SWEETWATER COUNTY INTO SOUTHEAST FREMONT
COUNTY LATE TONIGHT AND THROUGH THE DAY ON FRIDAY. HIGH WINDS
MAY ALSO DEVELOP FROM RIVERTON TO CASPER FRIDAY.

WYZ030-271200-
/O.UPG.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
/O.EXB.KRIW.HW.W.0020.120427T0900Z-120428T0000Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
931 PM MDT THU APR 26 2012

...HIGH WIND WARNING IN EFFECT FROM 3 AM TO 6 PM MDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 6 PM MDT FRIDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT.

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST FROM WEST TO
  EAST ACROSS THE AREA LATER TONIGHT RESULTING IN VERY STRONG
  WINDS IN EASTERN SWEETWATER COUNTY.

* WIND...WEST 30 TO 40 MPH WITH GUSTS TO 60 MPH EXPECTED.

* IMPACTS...TRAVELLERS SHOULD BE PREPARED FOR THESE VERY STRONG
  WINDS LATE TONIGHT INTO THE DAY FRIDAY...ESPECIALLY ON
  NORTH...SOUTH TRAVEL ROUTES. HIGH PROFILE AND LIGHTWEIGHT
  VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS.

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.

&&

$$

WYZ019-271200-
/O.UPG.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
/O.EXB.KRIW.HW.W.0020.120427T0900Z-120428T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
931 PM MDT THU APR 26 2012

...HIGH WIND WARNING IN EFFECT FROM 3 AM TO 6 PM MDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 6 PM MDT FRIDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST EAST ACROSS
  THE AREA LATE TONIGHT INTO EARLY FRIDAY MORNING RESULTING IN
  VERY STRONG WINDS.

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

* IMPACTS...TRAVEL ALONG HIGHWAY 135...220 AND 287 MAY BECOME
  HAZARDOUS ON FRIDAY AS THESE VERY STRONG WEST WINDS DEVELOP.
  HIGH PROFILE AND LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY
  CAUTIOUS.

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.

&&

$$

WYZ003-271200-
/O.CON.KRIW.HW.W.0020.120427T0400Z-120427T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
931 PM MDT THU APR 26 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY. 

* SUMMARY AND TIMING...WEST WINDS ARE EXPECTED TO CONTINUE TO
  INCREASE OVERNIGHT BEFORE DECREASING AROUND SUNRISE FRIDAY.

* WIND...WEST 30 TO 40 MPH WITH GUSTS OVER 60 MPH.

* IMPACTS...ANYONE PLANNING TRAVEL ALONG HIGHWAY 120 BETWEEN CODY
  AND CLARK SHOULD BE PREPARED FOR THESE VERY STRONG CROSSWINDS
  TONIGHT.

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.

&&

$$

WYZ017-271200-
/O.CON.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
931 PM MDT THU APR 26 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM MDT FRIDAY THROUGH
FRIDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM MDT FRIDAY THROUGH
FRIDAY AFTERNOON. 

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST FROM WEST TO
  EAST ACROSS THE AREA LATER TONIGHT THROUGH FRIDAY CREATING THE
  POTENTIAL FOR VERY STRONG WINDS.

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

* IMPACTS...TRAVEL ALONG HIGHWAYS 26 AND 789 MAY BECOME 
  HAZARDOUS AS THE WINDS INCREASE FRIDAY MORNING...ESPECIALLY 
  FOR TRAVELLERS WITH LIGHTWEIGHT OR HIGH PROFILE VEHICLES. 

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.

&&

$$

WYZ020-271200-
/O.CON.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
931 PM MDT THU APR 26 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM MDT FRIDAY THROUGH
FRIDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM MDT FRIDAY THROUGH
FRIDAY AFTERNOON. 

* SUMMARY AND TIMING...A STRONG COLD FRONT WILL BLAST FROM WEST TO
  EAST ACROSS THE AREA LATER EARLY FRIDAY CREATING THE POTENTIAL
  FOR VERY STRONG WINDS.

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

* IMPACTS...TRAVEL ALONG HIGHWAY 26 MAY BECOME HAZARDOUS ON 
  FRIDAY AS THESE VERY STRONG WEST WINDS DEVELOP. HIGH PROFILE 
  AND LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

TEAM RIVERTON/21
801 
WWUS75 KRIW 270917
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
317 AM MDT FRI APR 27 2012

...VERY STRONG WINDS TO IMPACT PORTIONS OF CENTRAL WYOMING
TODAY...

.A STRONG COLD FRONT WILL COMBINE WITH A FAVORABLE WIND PATTERN
OVER THE ABSAROKA MOUNTAINS TO PRODUCE HIGH WINDS ALONG THE CODY
FOOTHILLS UNTIL MID MORNING. THIS STRONG COLD FRONT WILL ALSO
PRODUCE HIGH WINDS ACROSS PARTS OF THE SOUTH AND CENTRAL TODAY.

WYZ017-271730-
/O.UPG.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
/O.EXB.KRIW.HW.W.0020.120427T1200Z-120428T0000Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
317 AM MDT FRI APR 27 2012

...HIGH WIND WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...THE WIND WILL INCREASE THIS MORNING AND
  CONTINUE QUITE GUSTY THROUGH LATE THIS AFTERNOON. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAYS 20 26 AND 789 MAY BECOME
  HAZARDOUS AT TIMES DUE TO THE STRONG WIND. TRAVELLERS WITH
  LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD EXERCISE EXTREME
  CAUTION.

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.

&&

$$

WYZ020-271730-
/O.UPG.KRIW.HW.A.0019.120427T1200Z-120428T0000Z/
/O.EXB.KRIW.HW.W.0020.120427T1200Z-120428T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
317 AM MDT FRI APR 27 2012

...HIGH WIND WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WIND WILL INCREASE THIS MORNING BEHIND A
  STRONG COLD FRONT PASSAGE. THE WIND WILL BE QUITE GUSTY THROUGH
  LATE THIS AFTERNOON.

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAY 20 26 AND ALONG INTERSTATE 25 MAY
  BE HAZARDOUS DUE TO THE STRONG WIND. HIGH PROFILE AND
  LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS.

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.

&&

$$

WYZ003-271500-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120427T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
317 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS
MORNING. 

* SUMMARY AND TIMING...AREAS OF STRONG WIND WILL CONTINUE UNTIL 9
  AM. WIND GUSTS OF 50 TO 60 MPH HAVE OCCURRED WEST OF CODY EARLY
  THIS MORNING. WIND GUSTS AROUND CLARK HAVE RANGED FROM 40 TO 50
  MPH. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS OVER 60 MPH.

* IMPACTS...ANYONE PLANNING TRAVEL ALONG HIGHWAY 120 BETWEEN CODY
  AND CLARK SHOULD BE PREPARED FOR THESE VERY STRONG CROSSWINDS
  THROUGH MID MORNING. 

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.

&&

$$

WYZ030-271730-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
317 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG WIND SPEEDS WILL OCCUR BEHIND A COLD
  FRONT WHICH HAS MOVED THROUGH THE REGION EARLY THIS MORNING. THE
  WIND WILL BE QUITE GUSTY THROUGH LATE THIS AFTERNOON. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVELLERS ON INTERSTATE 80 SHOULD BE PREPARED FOR
  THESE STRONG WINDS TODAY. OTHER NORTH...SOUTH ROADS WILL SEE
  STRONG CROSSWINDS. HIGH PROFILE AND LIGHTWEIGHT VEHICLES WILL
  NEED TO BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

WYZ019-271730-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
317 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG WIND SPEEDS WILL OCCUR TODAY BEHIND
  A COLD FRONT.

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 65 MPH...OR HIGHER.

* IMPACTS...TRAVEL ALONG HIGHWAY 135...220 AND 287 WILL BECOME
  HAZARDOUS DUE TO THE STRONG WEST WIND. HIGH PROFILE AND
  LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS.

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.

&&

$$

AR
205 
WWUS75 KRIW 271443
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
843 AM MDT FRI APR 27 2012

...VERY STRONG WINDS TO IMPACT PORTIONS OF CENTRAL WYOMING
TODAY...

.A STRONG COLD FRONT WILL COMBINE WITH A STRONG PRESSURE GRADIENT
AND UPPER LEVEL JET OVER CENTRAL WYOMING TO PRODUCE HIGH WINDS
CROSS PARTS OF THE SOUTH AND CENTRAL TODAY.  WITH A COLD FRONTAL
PASSAGE IN THE NORTH...WINDS IN PARK COUNTY WILL DECREASE THROUGH
THE MORNING WITH A SHIFT TO THE NORTHWEST.

WYZ003-271545-
/O.EXP.KRIW.HW.W.0020.000000T0000Z-120427T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
843 AM MDT FRI APR 27 2012

...HIGH WIND WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING. 

*SUMMARY AND TIMING...WITH A COLD FRONTAL PASSAGE IN THE
  NORTH...WINDS IN PARK COUNTY WILL DECREASE THROUGH THE MORNING
  WITH A SHIFT TO THE NORTHWEST.


$$

WYZ030-280000-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
843 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG WIND SPEEDS WILL OCCUR BEHIND A 
  COLD FRONT WHICH HAS MOVED THROUGH THE REGION EARLY THIS 
  MORNING. THE WIND WILL BE QUITE GUSTY THROUGH LATE THIS 
  AFTERNOON. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVELERS ON INTERSTATE 80 SHOULD BE PREPARED FOR 
  THESE STRONG WINDS TODAY. OTHER NORTH...SOUTH ROADS WILL SEE 
  STRONG CROSSWINDS. HIGH PROFILE AND LIGHTWEIGHT VEHICLES WILL 
  NEED TO BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

WYZ019-280000-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
843 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...STRONG WIND SPEEDS WILL OCCUR TODAY 
  BEHIND A COLD FRONT. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 65 MPH...OR HIGHER.

* IMPACTS...TRAVEL ALONG HIGHWAY 135...220 AND 287 WILL BECOME 
  HAZARDOUS DUE TO THE STRONG WEST WIND. HIGH PROFILE AND 
  LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

WYZ017-280000-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
843 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...THE WIND WILL INCREASE THIS MORNING AND 
  CONTINUE QUITE GUSTY THROUGH LATE THIS AFTERNOON. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAYS 20 26 AND 789 MAY BECOME 
  HAZARDOUS AT TIMES DUE TO THE STRONG WIND. TRAVELERS WITH 
  LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD EXERCISE EXTREME 
  CAUTION. 

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.

&&

$$

WYZ020-280000-
/O.CON.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
843 AM MDT FRI APR 27 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...WIND WILL INCREASE THIS MORNING BEHIND A 
  STRONG COLD FRONT PASSAGE. THE WIND WILL BE QUITE GUSTY 
  THROUGH LATE THIS AFTERNOON. 

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVEL ALONG HIGHWAY 20 26 AND ALONG INTERSTATE 25 
  MAY BE HAZARDOUS DUE TO THE STRONG WIND. HIGH PROFILE AND 
  LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS. 

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.

&&

$$
280 
WWUS75 KRIW 272335
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
535 PM MDT FRI APR 27 2012

...VERY STRONG WINDS WILL CONTINUE TO IMPACT EASTERN SWEETWATER
THROUGH THE EARLY EVENING HOURS...

WYZ019-280045-
/O.EXP.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
535 PM MDT FRI APR 27 2012

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING. WINDY
WEST WINDS WILL CONTINUE THROUGH THE EVENING...BUT WILL GRADUALLY
WEAKEN OVERNIGHT.

$$

WYZ017-280045-
/O.EXP.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
WIND RIVER BASIN-
INCLUDING THE CITIES OF...RIVERTON...SHOSHONI
535 PM MDT FRI APR 27 2012

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING. WINDY
NORTHWEST WINDS WILL CONTINUE THROUGH THE EVENING...BUT WILL
GRADUALLY WEAKEN OVERNIGHT.

$$

WYZ020-280045-
/O.EXP.KRIW.HW.W.0020.000000T0000Z-120428T0000Z/
NATRONA COUNTY LOWER ELEVATIONS-
INCLUDING THE CITY OF...CASPER
535 PM MDT FRI APR 27 2012

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING. WINDY
WEST WINDS WILL CONTINUE THROUGH THE EVENING...BUT WILL GRADUALLY
WEAKEN OVERNIGHT.

$$

WYZ030-280300-
/O.EXT.KRIW.HW.W.0020.000000T0000Z-120428T0300Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
535 PM MDT FRI APR 27 2012

...HIGH WIND WARNING NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

* SUMMARY AND TIMING...VERY STRONG WINDS WILL CONTINUE THROUGH THE
  EVENING...BEFORE GRADUALLY WEAKENING OVERNIGHT. SEVERAL REPORTS
  OF WINDS AROUND 60 MPH WERE OBSERVED TODAY ACROSS EASTERN
  SWEETWATER COUNTY.

* WIND...WEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...TRAVELERS ON INTERSTATE 80 SHOULD BE PREPARED FOR 
  THESE STRONG WINDS TODAY. OTHER NORTH...SOUTH ROADS WILL SEE 
  STRONG CROSSWINDS. HIGH PROFILE AND LIGHTWEIGHT VEHICLES WILL 
  NEED TO BE ESPECIALLY CAUTIOUS. 

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.

&&

$$

TEAM RIVERTON/21
469 
WWUS75 KRIW 280240
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
840 PM MDT FRI APR 27 2012


WYZ030-280345-
/O.EXP.KRIW.HW.W.0020.000000T0000Z-120428T0300Z/
EAST SWEETWATER COUNTY-
INCLUDING THE CITY OF...WAMSUTTER
840 PM MDT FRI APR 27 2012

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

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 1:49 PM MDTHigh Wind WatchRIWFremont, Natrona, Sweetwater13 hr
Apr 26, 4:58 PM MDTSpecial Weather StatementRIWLincoln32 min
Apr 26, 5:29 PM MDTSpecial Weather StatementRIWSublette46 min

Nearby

High Wind Warnings in Wyoming, 2012Every high wind warning in 2012

Sources

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