Alert archive / Wyoming / High Wind Warnings in 2012
High Wind Warning 24, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Jun 9, 2012, 2:15 AM MDT for Sweetwater County, Wyoming. It took effect at Jun 9, 2012, 2:00 PM MDT. It was in force for 6 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
- Jun 9, 2012, 2:15 AM MDT (08:15 UTC)
- In effect from
- Jun 9, 2012, 2:00 PM MDT
- Expired
- Jun 9, 2012, 8:17 PM MDT
- In force
- 6 hr
- Issued by
- NWS Riverton, WY
County Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 160 km from the middle of the area, began a volume at 08:13 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 00:00Z, 8.3 hours before the alert went out and 162 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
- 8 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 3853 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
997 WWUS75 KRIW 090815 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 215 AM MDT SAT JUN 9 2012 ...HIGH WIND WARNING FOR SWEETWATER COUNTY THIS AFTERNOON AND EVENING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH EARLY SUNDAY MORNING... .A STRONG LATE SPRING STORM SYSTEM WILL AFFECT THE COWBOY STATE THIS WEEKEND. THE ASSOCIATED STRONG COLD FRONT WILL MOVE ACROSS SWEETWATER COUNTY THIS AFTERNOON INTO THE EVENING. A VERY TIGHT PRESSURE GRADIENT IN WAKE OF THIS FRONT COULD RESULT IN VERY STRONG WEST WINDS DEVELOPING. AHEAD OF THE FRONT...STRONG SOUTHWEST WINDS ARE EXPECTED. THE WINDS WILL DROP OFF QUICKLY TONIGHT ALLOWING COLD AIR TO POOL IN THE LOWER ELEVATIONS...WHICH COULD CAUSE FREEZING TEMPERATURES TO SETTLE IN FOR A FEW HOURS EARLY SUNDAY MORNING IN AREAS THAT HAVE ALREADY BEGUN THEIR GROWING SEASON. WYZ028>030-092030- /O.UPG.KRIW.HW.A.0023.120609T2000Z-120610T0400Z/ /O.NEW.KRIW.HW.W.0024.120609T2000Z-120610T0400Z/ /O.NEW.KRIW.FZ.A.0001.120610T0800Z-120610T1500Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 215 AM MDT SAT JUN 9 2012 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING. A FREEZE WATCH HAS ALSO BEEN ISSUED. THIS FREEZE WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING. * SUMMARY AND TIMING...STRONG SOUTHWEST WINDS WILL DEVELOP AHEAD OF A COLD FRONT THIS AFTERNOON...WITH POSSIBLY EVEN STRONGER WEST WINDS IN WAKE OF THE FRONT LATE THIS AFTERNOON INTO SATURDAY EVENING. THE WINDS WILL TAPER OFF THROUGH THE EVENING...BECOMING LIGHT OVERNIGHT WHICH MAY RESULT IN FREEZING TEMPERATURES IN THE LOWER ELEVATIONS EARLY SUNDAY MORNING. * WIND...SOUTHWEST 30 TO 40 MPH...BECOMING WEST 30 TO 40 MPH. A FEW GUSTS TO NEAR 60 MPH ARE POSSIBLE. * IMPACTS...TRAVEL COULD BECOME DIFFICULT ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADS. RESIDENTS SHOULD TAKE PRECAUTIONS TO SECURE ANY LOOSE OUTDOOR ITEMS AND SHOULD TAKE STEPS TO PROTECT ANY VEGETATION SENSITIVE TO FREEZING TEMPERATURES. 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. A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
2 follow-up statements
679 WWUS75 KRIW 092018 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 218 PM MDT SAT JUN 9 2012 ...HIGH WIND WARNING FOR SWEETWATER COUNTY THIS AFTERNOON AND EVENING... .A STRONG LATE SPRING STORM SYSTEM WILL AFFECT SWEETWATER COUNTY THIS EVENING. THE ASSOCIATED STRONG COLD FRONT WILL MOVE ACROSS SWEETWATER COUNTY THIS AFTERNOON INTO THE EVENING. A VERY TIGHT PRESSURE GRADIENT IN WAKE OF THIS FRONT WILL RESULT IN VERY STRONG WEST WINDS DEVELOPING. AHEAD OF THE FRONT...STRONG SOUTHWEST WINDS ARE EXPECTED. THE WINDS WILL DROP OFF TONIGHT BUT WILL REMAIN BREEZY. WYZ028>030-100400- /O.CAN.KRIW.FZ.A.0001.120610T0800Z-120610T1500Z/ /O.CON.KRIW.HW.W.0024.000000T0000Z-120610T0400Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 218 PM MDT SAT JUN 9 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...FREEZE WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE FREEZE WATCH. A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING. THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING. * SUMMARY AND TIMING...STRONG SOUTHWEST WINDS WILL DEVELOP AHEAD OF A COLD FRONT THIS AFTERNOON...WITH POSSIBLY EVEN STRONGER WEST WINDS IN WAKE OF THE FRONT LATE THIS AFTERNOON INTO SATURDAY EVENING. THE WINDS WILL TAPER OFF THROUGH THE EVENING. * WIND...WEST 30 TO 40 MPH. A FEW GUSTS TO NEAR 60 MPH ARE POSSIBLE. * IMPACTS...TRAVEL COULD BECOME DIFFICULT ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADS. RESIDENTS SHOULD TAKE PRECAUTIONS TO SECURE ANY 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. && $$ C.BAKER
086 WWUS75 KRIW 100217 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 817 PM MDT SAT JUN 9 2012 WYZ028>030-100330- /O.CAN.KRIW.HW.W.0024.000000T0000Z-120610T0400Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 817 PM MDT SAT JUN 9 2012 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. ALTHOUGH STRONG WEST WINDS 25 TO 30 MPH WILL OCCUR THIS EVENING ACROSS SWEETWATER COUNTY...HIGH WIND THRESHOLDS WILL NOT BE MET. THUS THE HIGH WIND WARNING HAS BEEN CANCELLED. $$ 21
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 9:19 PM MDT | High Wind Watch | RIW | Sweetwater | 5 hr |
| Jun 9, 2:15 AM MDT | Freeze Watch | RIW | Sweetwater | 12 hr |
| Jun 9, 5:02 PM MDT | Special Weather Statement | RIW | Johnson | 43 min |
| Jun 9, 5:31 PM MDT | Special Weather Statement | RIW | Johnson | 29 min |
| Jun 9, 5:51 PM MDT | Special Weather Statement | RIW | Johnson | 24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.