Alert archive / Wyoming / High Wind Warnings in 2011
High Wind Warning 1, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Jan 12, 2011, 10:49 AM MST for 5 counties in Wyoming. It took effect at Jan 12, 2011, 2:00 PM MST. It was in force for 20 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 12, 2011, 10:49 AM MST (17:49 UTC)
- In effect from
- Jan 12, 2011, 2:00 PM MST
- Expired
- Jan 13, 2011, 10:01 AM MST
- In force
- 20 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 17:51 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, 5.8 hours before the alert went out and 13 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
- 2014 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
672 WWUS75 KRIW 121749 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1049 AM MST WED JAN 12 2011 ...STRONG WIND IN THE ABSAROKA MOUNTAINS THIS AFTERNOON THROUGH THURSDAY MORNING... .A STORM SYSTEM APPROACHING THE NORTHERN ROCKIES WILL INCREASE THE PRESSURE GRADIENT OVER THE AREA THIS AFTERNOON AND TONIGHT. STRONG WEST WINDS WILL DEVELOP BY TONIGHT IN THE ABSAROKA MOUNTAIN RANGE. THE BEST CHANCE FOR HIGH WINDS WILL BE AROUND THE CHIEF JOSEPH HIGHWAY AREA AND THE AREAS WEST OF CLARK. WYZ003-121900- /O.CAN.KRIW.HW.A.0001.110112T2100Z-110113T1800Z/ CODY FOOTHILLS- INCLUDING THE CITIES OF...CODY...MEETEETSE 1049 AM MST WED JAN 12 2011 ...HIGH WIND WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WATCH. AREAS OF WEST WIND WILL OCCUR THIS AFTERNOON AND TONIGHT AT SPEEDS OF 20 TO 35 MPH WITH GUSTS AROUND 45 MPH ALONG THE FOOTHILLS OF THE ABSAROKA MOUNTAINS. THIS WILL ALSO IMPACT THE CLARK AREA. $$ WYZ002-130700- /O.UPG.KRIW.HW.A.0001.110112T2100Z-110113T1800Z/ /O.NEW.KRIW.HW.W.0001.110112T2100Z-110113T1800Z/ ABSAROKA MOUNTAINS- 1049 AM MST WED JAN 12 2011 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 AM MST THURSDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...WEST WIND WILL INCREASE IN SPEED THIS AFTERNOON AND TONIGHT IN THE ABSAROKA MOUNTAINS. THE STRONG WIND WILL PERSIST INTO THURSDAY MORNING. * WIND SPEEDS...WEST WINDS OF 45 TO 55 MPH WILL OCCUR WITH GUSTS FROM 65 TO 75 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL DIFFICULT ALONG THE CHIEF JOSEPH SCENIC HIGHWAY. MOTORISTS SHOULD BE PREPARED FOR STRONG AND SUDDEN WIND GUSTS ALONG AND NEAR THE HIGHWAY. BLOWING AND DRIFTING SNOW WILL ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. && $$ AR
4 follow-up statements
225 WWUS75 KRIW 122349 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 449 PM MST WED JAN 12 2011 ...STRONG WIND IN THE ABSAROKA MOUNTAINS THROUGH THURSDAY MORNING... .A STORM SYSTEM APPROACHING THE NORTHERN ROCKIES WILL INCREASE THE PRESSURE GRADIENT OVER THE AREA TONIGHT. STRONG WEST WINDS WILL DEVELOP TONIGHT ACROSS THE ABSAROKA MOUNTAIN RANGE. THE BEST CHANCE FOR HIGH WINDS WILL BE AROUND THE CHIEF JOSEPH HIGHWAY AREA AND THE AREAS WEST OF CLARK. WYZ002-131030- /O.CON.KRIW.HW.W.0001.000000T0000Z-110113T1800Z/ ABSAROKA MOUNTAINS- 449 PM MST WED JAN 12 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY. * SUMMARY AND TIMING...WEST WIND WILL INCREASE IN SPEED THIS EVENING IN THE ABSAROKA MOUNTAINS. THE STRONG WIND WILL PERSIST INTO THURSDAY MORNING. * WIND SPEEDS...WEST WINDS OF 45 TO 55 MPH WILL OCCUR WITH GUSTS FROM 65 TO 75 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL DIFFICULT ALONG THE CHIEF JOSEPH SCENIC HIGHWAY. MOTORISTS SHOULD BE PREPARED FOR STRONG AND SUDDEN WIND GUSTS ALONG AND NEAR THE HIGHWAY. BLOWING AND DRIFTING SNOW WILL ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. && $$
019 WWUS75 KRIW 130304 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 804 PM MST WED JAN 12 2011 ...STRONG WIND IN THE ABSAROKA MOUNTAINS AS WELL AS THE GREEN AND RATTLESNAKE MOUNTAINS THROUGH THURSDAY MORNING... .A STORM SYSTEM MOVING ACROSS THE NORTHERN ROCKIES WILL INCREASE THE PRESSURE GRADIENT OVER THE AREA TONIGHT. STRONG WEST TO SOUTHWEST WINDS WILL OCCUR OVER THE ABSAROKA MOUNTAINS AS WELL AS THE GREEN AND RATTLESNAKE MOUNTAINS. WYZ019-131115- /O.EXA.KRIW.HW.W.0001.000000T0000Z-110113T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 804 PM MST WED JAN 12 2011 ...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST THURSDAY. * SUMMARY AND TIMING...VERY STRONG SOUTHWEST WIND WILL CONTINUE TONIGHT...BEFORE GRADUALLY WEAKENING THURSDAY MORNING. * WIND SPEEDS...WEST WINDS OF 30 TO 45 MPH WILL OCCUR...WITH OCCASIONAL GUSTS AROUND 60 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL HAZARDOUS ALONG HIGHWAYS 287 FROM BEAVER RIM TO NEAR MUDDY GAP. MOTORISTS SHOULD BE PREPARED FOR STRONG AND SUDDEN WIND GUSTS. BLOWING AND DRIFTING SNOW WILL ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. && $$ WYZ002-131115- /O.CON.KRIW.HW.W.0001.000000T0000Z-110113T1800Z/ ABSAROKA MOUNTAINS- 804 PM MST WED JAN 12 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY. * SUMMARY AND TIMING...WEST WIND WILL INCREASE IN SPEED LATER TONIGHT ACROSS THE ABSAROKA MOUNTAINS. THE STRONG WIND WILL PERSIST INTO THURSDAY MORNING. * WIND SPEEDS...WEST WINDS OF 45 TO 55 MPH WILL OCCUR WITH GUSTS FROM 65 TO 75 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL DIFFICULT ALONG THE CHIEF JOSEPH SCENIC HIGHWAY. MOTORISTS SHOULD BE PREPARED FOR STRONG AND SUDDEN WIND GUSTS ALONG AND NEAR THE HIGHWAY. BLOWING AND DRIFTING SNOW WILL ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. && $$
709 WWUS75 KRIW 130956 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 256 AM MST THU JAN 13 2011 ...STRONG WIND IN THE ABSAROKA MOUNTAINS AS WELL AS THE GREEN AND RATTLESNAKE MOUNTAINS THROUGH THIS MORNING... .A STRONG SURFACE PRESSURE GRADIENT REMAINED ACROSS CENTRAL WYOMING THIS MORNING RESULTING IN VERY WINDY CONDITIONS AND OCCASIONAL HIGH WINDS ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE RANGE. OCCASIONAL STRONG WIND GUSTS WILL ALSO LIKELY MIX DOWN ALONG THE EAST SLOPES OF THE ABSAROKA MOUNTAINS THROUGH LATE THIS MORNING. WYZ002-131800- /O.CON.KRIW.HW.W.0001.000000T0000Z-110113T1800Z/ ABSAROKA MOUNTAINS- 256 AM MST THU JAN 13 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * SUMMARY AND TIMING...OCCASIONAL STRONG WIND GUSTS ALONG THE EAST SLOPES OF THE ABSAROKA MOUNTAINS WILL REMAIN LIKELY THROUGH LATE THIS MORNING. * WIND SPEEDS...OCCASIONAL WEST WINDS OF 45 TO 55 MPH WILL OCCUR WITH GUSTS FROM 65 TO 75 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL DIFFICULT ALONG THE CHIEF JOSEPH SCENIC HIGHWAY. MOTORISTS SHOULD BE PREPARED FOR STRONG AND SUDDEN WIND GUSTS ALONG AND NEAR THE HIGHWAY. BLOWING AND DRIFTING SNOW WILL ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. && $$ WYZ019-131800- /O.CON.KRIW.HW.W.0001.000000T0000Z-110113T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 256 AM MST THU JAN 13 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * SUMMARY AND TIMING...STRONG SOUTHWEST WIND WILL CONTINUE THROUGH LATE THIS MORNING...BEFORE GRADUALLY WEAKENING THROUGH MIDDAY. * WIND SPEEDS...WEST WINDS OF 30 TO 45 MPH WILL OCCUR...WITH OCCASIONAL GUSTS AROUND 60 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL HAZARDOUS ALONG HIGHWAYS 287 FROM BEAVER RIM TO NEAR MUDDY GAP. MOTORISTS SHOULD BE PREPARED FOR STRONG AND SUDDEN WIND GUSTS. BLOWING AND DRIFTING SNOW WILL ALSO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. && $$ AEM
350 WWUS75 KRIW 131701 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1001 AM MST THU JAN 13 2011 WYZ002-019-131815- /O.CAN.KRIW.HW.W.0001.000000T0000Z-110113T1800Z/ ABSAROKA MOUNTAINS-GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 1001 AM MST THU JAN 13 2011 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. WIND HAS WEAKENED OVER THE WARNED AREAS...THEREFORE THE HIGH WIND WARNING HAS BEEN CANCELED. WIND OF 35 MPH WITH GUSTS TO AROUND 55 MPH WILL BE POSSIBLE THROUGH THE REMAINDER OF THE MORNING. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 2:14 AM MST | High Wind Watch | RIW | Fremont, Hot Springs, Park | 9 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.