Alert archive / Wyoming / High Wind Watches in 2012
High Wind Watch 21, NWS Riverton, WY
NWS Riverton, WY issued this high wind watch at May 26, 2012, 2:57 PM MDT for Fremont County, Natrona County, Sweetwater County, Wyoming. It took effect at May 27, 2012, 9:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 26, 2012, 2:57 PM MDT (20:57 UTC)
- In effect from
- May 27, 2012, 9:00 AM MDT
- Expired
- May 27, 2012, 2:32 AM MDT
- In force
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Natrona County, WY, Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 65 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 62 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
- 530 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
329 WWUS75 KRIW 262057 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 257 PM MDT SAT MAY 26 2012 ...STRONG WIND WILL IMPACT PORTIONS OF SOUTHERN WYOMING TODAY... .A STRENGTHENING LOW PRESSURE CENTER AND ASSOCIATED COLD FRONT WILL COMBINE TO PRODUCE HIGH WIND ACROSS SWEETWATER COUNTY THROUGH THIS EVENING. AFTER THE FRONT PASSES...A TIGHT PRESSURE GRADIENT WILL SET UP ACROSS PORTIONS OF SOUTHERN AND CENTRAL WYOMING WITH THE POSSIBILITY OF MORE HIGH WINDS TOMORROW. WYZ030-270200- /O.CON.KRIW.HW.W.0021.000000T0000Z-120527T0200Z/ EAST SWEETWATER COUNTY- INCLUDING THE CITY OF...WAMSUTTER 257 PM MDT SAT MAY 26 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING... * TIMING...STRONG SOUTH TO SOUTHWEST WIND WILL CONTINUE THROUGH THIS EVENING. * WINDS...SOUTH TO SOUTHWEST WIND OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH. A WIND GUST TO 58 MPH WAS REPORTED AT THE ROCK SPRINGS AIRPORT. * IMPACTS...TRAVELERS ON INTERSTATE 80 SHOULD BE PREPARED FOR STRONG CROSSWIND. HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL NEED TO BE ESPECIALLY CAREFUL. TRAVELERS ALONG OTHER EAST-WEST ROADS SHOULD EXERCISE CAUTION AS WELL. 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. && $$ WYZ019-020-271015- /O.NEW.KRIW.HW.A.0021.120527T1500Z-120528T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 257 PM MDT SAT MAY 26 2012 ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM 9AM SUNDAY MORNING THROUGH 8 PM SUNDAY EVENING. * TIMING...WINDS WILL INCREASE THROUGH THE NIGHT AND BECOME STRONG TOMORROW MORNING AND CONTINUE INTO THE EVENING. * WINDS...SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH. * IMPACTS...TRAVEL ALONG HIGHWAY 20 26...ALONG INTERSTATE 25 AND HIGHWAYS 135...220 AND 287 WILL BECOME HAZARDOUS DUE TO STRONG SOUTHWEST WINDS. HIGH PROFILE VEHICLES AND LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
2 follow-up statements
717 WWUS75 KRIW 270206 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 806 PM MDT SAT MAY 26 2012 ...STRONG WIND WILL IMPACT PORTIONS OF SOUTHERN WYOMING TODAY... .SURFACE LOW PRESSURE WILL LIFT INTO THE NORTHERN HIGH PLAINS ON SUNDAY...RESULTING IN A TIGHTENING PRESSURE GRADIENT...ACROSS SOUTH AND EAST CENTRAL WYOMING. HIGH WINDS WILL BE POSSIBLE AS A RESULT. WYZ030-270315- /O.EXP.KRIW.HW.W.0021.000000T0000Z-120527T0200Z/ EAST SWEETWATER COUNTY- INCLUDING THE CITY OF...WAMSUTTER 806 PM MDT SAT MAY 26 2012 ...HIGH WIND WARNING HAS EXPIRED... THE HIGH WIND WARNING IS NO LONGER IN EFFECT. WINDS HAVE SUBSIDED BELOW HIGH WIND THRESHOLDS ACROSS SOUTHERN WYOMING THIS EVENING. THEREFORE THE HIGH WIND WARNING HAS BEEN ALLOWED TO EXPIRE. $$ WYZ019-020-271015- /O.CON.KRIW.HW.A.0021.120527T1500Z-120528T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 806 PM MDT SAT MAY 26 2012 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... A HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING. * TIMING...WINDS WILL INCREASE THROUGH THE NIGHT AND BECOME STRONG TOMORROW MORNING AND CONTINUE INTO THE EVENING. * WINDS...SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS TO AROUND 60 MPH. * IMPACTS...TRAVEL ALONG HIGHWAY 20 26...ALONG INTERSTATE 25 AND HIGHWAYS 135...220 AND 287 WILL BECOME HAZARDOUS DUE TO STRONG SOUTHWEST WINDS. HIGH PROFILE VEHICLES AND LIGHTWEIGHT VEHICLES WILL HAVE TO BE ESPECIALLY CAUTIOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ AEM
472 WWUS75 KRIW 270832 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 232 AM MDT SUN MAY 27 2012 ...STRONG WIND WILL IMPACT PORTIONS OF SOUTHERN WYOMING TODAY... .SURFACE LOW PRESSURE WILL LIFT INTO THE NORTHERN HIGH PLAINS TODAY...RESULTING IN A TIGHTENING PRESSURE GRADIENT ACROSS SOUTH AND EAST CENTRAL WYOMING. HIGH WINDS ARE POSSIBLE AS A RESULT. WYZ019-020-271645- /O.UPG.KRIW.HW.A.0021.120527T1500Z-120528T0300Z/ /O.NEW.KRIW.HW.W.0022.120527T1500Z-120528T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 232 AM MDT SUN MAY 27 2012 ...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WIND WILL INCREASE THIS MORNING AND CONTINUE INTO THE EVENING. * WINDS...SOUTHWEST WINDS 30 TO 40 MPH WITH GUSTS TO AROUND 60 MPH. * IMPACTS...TRAVEL ALONG HIGHWAY 20 26...ALONG INTERSTATE 25 AND HIGHWAYS 135...220 AND 287 WILL BECOME HAZARDOUS DUE TO STRONG SOUTHWEST WINDS. THOSE TRAVELING IN HIGH PROFILE VEHICLES AND THOSE TOWING LIGHT TRAILERS SHOULD 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. && $$ BERC
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 2:33 AM MDT | High Wind Warning | RIW | Sweetwater | 17 hr |
| May 26, 2:52 AM MDT | Winter Weather Advisory | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 45 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.