Alert archive / Wyoming / High Wind Warnings in 2011
High Wind Warning 23, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Nov 11, 2011, 2:00 PM MST for 4 counties in Wyoming. It took effect at Nov 12, 2011, 12:00 AM MST. It was in force for 16 hr. 22 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
- Nov 11, 2011, 2:00 PM MST (21:00 UTC)
- In effect from
- Nov 12, 2011, 12:00 AM MST
- Expired
- Nov 12, 2011, 4:00 PM MST
- In force
- 16 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 12, 6:10 AM MST | NON-TSTM WND GST 75 | 5 E Ervay, WY | SEVERAL GUSTS BETWEEN 70 AND 75 MPH AT THE FALES ROCK RAWS WEATHER STATION SATURDAY MORNING. |
| Nov 12, 6:15 AM MST | NON-TSTM WND GST 79 | Casper, WY | 79 MPH WIND GUST MEASURED ON DAVIS WEATHER EQUIPMENT IN CASPER. |
| Nov 12, 8:46 AM MST | NON-TSTM WND GST 59 | 3 Nw Casper, WY | |
| Nov 12, 10:49 AM MST | SNOW 3.5 | 23 S Lander, WY | |
| Nov 12, 11:04 AM MST | SNOW 3 | 11 N Dubois, WY | BURROUGHS CREEK SNOTEL |
| Nov 12, 11:04 AM MST | SNOW 3 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| Nov 12, 11:05 AM MST | SNOW 1 | 16 Ne Dubois, WY | CASTLE CREEK SNOTEL |
| Nov 12, 11:05 AM MST | SNOW 1 | 18 Sw Cody, WY | MARQUETTE SNOTEL |
| Nov 12, 11:05 AM MST | SNOW 1 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| Nov 12, 11:05 AM MST | SNOW 3 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| Nov 12, 11:05 AM MST | SNOW 3 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| Nov 12, 11:05 AM MST | SNOW 4 | 56 Sw Cody, WY | YOUNTS PEAK SNOTEL |
| Nov 12, 1:13 PM MST | SNOW 5 | South Pass, WY | |
| Nov 12, 3:42 PM MST | SNOW 5 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| Nov 12, 3:43 PM MST | SNOW 3 | 16 Ne Dubois, WY | CASTLE CREEK SNOTEL |
| Nov 12, 3:43 PM MST | SNOW 4 | 11 N Dubois, WY | BURROUGHS CREEK SNOTEL |
| Nov 12, 3:43 PM MST | SNOW 4 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| Nov 12, 3:43 PM MST | SNOW 5 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| Nov 12, 3:44 PM MST | SNOW 3 | 18 Sw Cody, WY | MARQUETTE SNOTEL |
| Nov 12, 3:44 PM MST | SNOW 3 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| Nov 12, 3:44 PM MST | SNOW 4 | 26 Wsw Clark, WY | WOLVERINE SNOTEL |
| Nov 12, 3:44 PM MST | SNOW 5 | 56 Sw Cody, WY | YOUNTS PEAK SNOTEL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 9.0 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4218 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
712 WWUS75 KRIW 112100 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 200 PM MST FRI NOV 11 2011 ...HIGH WINDS ARE EXPECTED TO DEVELOP IN THE FOOTHILLS OF THE ABSAROKA MOUNTAINS AND ACROSS NATRONA COUNTY AND SOUTHERN FREMONT COUNTY... .HIGH WINDS ARE EXPECTED TO DEVELOP IN THE FOOTHILLS OF THE ABSAROKA MOUNTAINS AND ACROSS NATRONA COUNTY AND SOUTHERN FREMONT COUNTY AS WINDS ALOFT INCREASE AND ALINE OVER A STRONG SURFACE PRESSURE GRADIENT IN NORTHERN AND CENTRAL WYOMING. THE BEST CHANCE FOR HIGH WINDS SHOULD DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH THE DAY SATURDAY BEFORE A PACIFIC COLD FRONT PASSES THROUGH. WYZ019-020-121000- /O.UPG.KRIW.HW.A.0017.111112T0700Z-111112T2300Z/ /O.NEW.KRIW.HW.W.0023.111112T0700Z-111112T2300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 200 PM MST FRI NOV 11 2011 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH THE DAY SATURDAY BEFORE A PACIFIC COLD FRONT PASSES. * WIND...SOUTHWEST WINDS OF 35 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP. * IMPACTS...TRAVEL MAY BECOME DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES WITH DANGEROUS CROSS WINDS POSSIBLE ALONG HIGHWAYS 287...220 AND 20 26. 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. && $$ WYZ003-121000- /O.NEW.KRIW.HW.W.0023.111112T0700Z-111112T2300Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 200 PM MST FRI NOV 11 2011 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY. * SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH THE DAY SATURDAY BEFORE A PACIFIC COLD FRONT PASSES. * WIND...WEST WINDS OF 35 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP. * IMPACTS...TRAVEL MAY BECOME DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES WITH DANGEROUS CROSS WINDS POSSIBLE ALONG HIGHWAY 120...ESPECIALLY AROUND CLARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ C.BAKER
3 follow-up statements
633 WWUS75 KRIW 120326 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 826 PM MST FRI NOV 11 2011 ...HIGH WINDS ARE EXPECTED TO DEVELOP TONIGHT AND CONTINUE THROUGH SATURDAY AFTERNOON IN THE CODY FOOTHILLS AND ACROSS NATRONA COUNTY AND SOUTHERN FREMONT COUNTY... .HIGH WINDS ARE EXPECTED TO DEVELOP IN THE FOOTHILLS OF THE ABSAROKA MOUNTAINS AND ACROSS NATRONA COUNTY AND SOUTHERN FREMONT COUNTY AS WINDS ALOFT INCREASE AND ALINE OVER A STRONG SURFACE PRESSURE GRADIENT IN NORTHERN AND CENTRAL WYOMING. THE BEST CHANCE FOR HIGH WINDS SHOULD DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH THE DAY SATURDAY BEFORE A PACIFIC COLD FRONT PASSES THROUGH. WYZ019-020-121200- /O.CON.KRIW.HW.W.0023.111112T0700Z-111112T2300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 826 PM MST FRI NOV 11 2011 ...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY... A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY. * SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH THE DAY SATURDAY BEFORE A PACIFIC COLD FRONT PASSES THROUGH THE AREA. * WIND...SOUTHWEST WINDS OF 35 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP. * IMPACTS...TRAVEL MAY BECOME DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES ALONG HIGHWAYS 287...220 AND 20...26...AS WELL AS ALONG WYOMING BOULEVARD ON THE SOUTHEAST SIDE OF 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. && $$ WYZ003-121200- /O.CON.KRIW.HW.W.0023.111112T0700Z-111112T2300Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 826 PM MST FRI NOV 11 2011 ...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY... A HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM MST SATURDAY. * SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP AFTER MIDNIGHT AND CONTINUE THROUGH THE DAY SATURDAY BEFORE A PACIFIC COLD FRONT PASSES THROUGH THE AREA. * WIND...WEST WINDS OF 35 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP. * IMPACTS...TRAVEL MAY BECOME DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES WITH DANGEROUS CROSS WINDS POSSIBLE ALONG HIGHWAY 120...ESPECIALLY AROUND CLARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ 21
631 WWUS75 KRIW 120848 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 148 AM MST SAT NOV 12 2011 ...HIGH WINDS ARE EXPECTED TO CONTINUE THROUGH SATURDAY AFTERNOON IN THE CODY FOOTHILLS AND ACROSS NATRONA COUNTY AND SOUTHERN FREMONT COUNTY... .HIGH WINDS ARE EXPECTED TO DEVELOP IN THE FOOTHILLS OF THE ABSAROKA MOUNTAINS AND ACROSS NATRONA COUNTY AND SOUTHERN FREMONT COUNTY AS WINDS ALOFT INCREASE AND ALINE OVER A STRONG SURFACE PRESSURE GRADIENT IN NORTHERN AND CENTRAL WYOMING. THE BEST CHANCE FOR HIGH WINDS WILL BE THROUGH THE MORNING BEFORE A PACIFIC COLD FRONT PASSES THROUGH THIS AFTERNOON. WYZ019-020-122300- /O.CON.KRIW.HW.W.0023.000000T0000Z-111112T2300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 148 AM MST SAT NOV 12 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MST THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MST THIS AFTERNOON. * SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP EARLY THIS MORNING AND CONTINUE THROUGH THE DAY BEFORE A PACIFIC COLD FRONT PASSES THROUGH THE AREA. * WIND...SOUTHWEST WINDS OF 35 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP. * IMPACTS...TRAVEL MAY BECOME DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES ALONG HIGHWAYS 287...220 AND 20...26... AS WELL AS ALONG WYOMING BOULEVARD ON THE SOUTHEAST SIDE OF 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. && $$ WYZ003-122300- /O.CON.KRIW.HW.W.0023.000000T0000Z-111112T2300Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 148 AM MST SAT NOV 12 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MST THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MST THIS AFTERNOON. * SUMMARY AND TIMING...HIGH WINDS ARE EXPECTED TO DEVELOP EARLY THIS MORNING AND CONTINUE THROUGH THE DAY BEFORE A PACIFIC COLD FRONT PASSES THROUGH THE AREA. * WIND...WEST WINDS OF 35 TO 40 MPH WITH GUSTS TO 60 MPH ARE EXPECTED TO DEVELOP. * IMPACTS...TRAVEL MAY BECOME DIFFICULT FOR LIGHT WEIGHT AND HIGH PROFILE VEHICLES WITH DANGEROUS CROSS WINDS POSSIBLE ALONG HIGHWAY 120...ESPECIALLY AROUND CLARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
276 WWUS75 KRIW 122233 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 333 PM MST SAT NOV 12 2011 ...THE HIGH WIND WARNING WILL EXPIRE AT 4 PM MST THIS AFTERNOON... .AS A COLD FRONT MOVES THROUGH THE AREA...THE WINDS WILL SHIFT TO THE NORTHWEST AND DECREASE THROUGH THE EVENING. THEREFORE THE HIGH WIND WARNING WILL EXPIRE AT 4 PM MST. WYZ019-020-122345- /O.EXP.KRIW.HW.W.0023.000000T0000Z-111112T2300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 333 PM MST SAT NOV 12 2011 ...HIGH WIND WARNING WILL EXPIRE AT 4 PM MST THIS AFTERNOON... THE HIGH WIND WARNING WILL EXPIRE AT 4 PM MST THIS AFTERNOON. $$ WYZ003-122345- /O.EXP.KRIW.HW.W.0023.000000T0000Z-111112T2300Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 333 PM MST SAT NOV 12 2011 ...HIGH WIND WARNING WILL EXPIRE AT 4 PM MST THIS AFTERNOON... THE HIGH WIND WARNING WILL EXPIRE AT 4 PM MST THIS AFTERNOON. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 11:51 AM MST | High Wind Watch | RIW | Fremont, Natrona, Sweetwater | 2 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.