Alert archive / Wyoming / High Wind Warnings in 2012
High Wind Warning 29, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Nov 9, 2012, 2:48 AM MST for Fremont County, Natrona County, Sweetwater County, Wyoming. It took effect at Nov 9, 2012, 11:00 AM MST. It was in force for 6 hr. 1 report 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 9, 2012, 2:48 AM MST (09:48 UTC)
- In effect from
- Nov 9, 2012, 11:00 AM MST
- Expired
- Nov 9, 2012, 5:05 PM MST
- In force
- 6 hr
- 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 09:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 9, 4:46 PM MST | SNOW 2 | 14 W Crowheart, WY | COLD SPRINGS 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 00:00Z, 9.8 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
- 2215 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
838 WWUS75 KRIW 090948 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 248 AM MST FRI NOV 9 2012 ...HIGH WINDS WILL DEVELOP TODAY ACROSS SOUTHERN AND CENTRAL WYOMING... .HIGH WINDS WILL DEVELOP THIS AFTERNOON IN SOUTHERN AND CENTRAL WYOMING...AHEAD OF A STRONG COLD FRONT. EASTERN SWEETWATER... SOUTHERN FREMONT AND SOUTHERN NATRONA COUNTIES HAVE THE GREATEST RISK OF EXPERIENCING HIGH WINDS. THE HIGH WIND THREAT IS EXPECTED TO DEVELOP AROUND 11 AM AND CONTINUE UNTIL 8 PM MST THIS EVENING. WYZ019-091815- /O.UPG.KRIW.HW.A.0027.121109T1800Z-121110T0300Z/ /O.NEW.KRIW.HW.W.0029.121109T1800Z-121110T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 248 AM MST FRI NOV 9 2012 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...HIGH WIND IS EXPECTED TO DEVELOP AROUND 11 AM MST AND CONTINUE UNTIL 8 PM MST THIS EVENING. * WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. * IMPACTS...TRAVEL IN HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL BECOME HAZARDOUS ALONG HIGHWAY 287. 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. && $$ WYZ020-091815- /O.UPG.KRIW.HW.A.0027.121109T1800Z-121110T0300Z/ /O.NEW.KRIW.HW.W.0029.121109T1800Z-121110T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 248 AM MST FRI NOV 9 2012 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...HIGH WIND THREAT WILL DEVELOP AROUND 11 AM MST AND CONTINUE UNTIL 8 PM MST THIS EVENING. * WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. * IMPACTS...TRAVEL IN HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL BECOME HAZARDOUS ALONG INTERSTATE 25 AND HIGHWAYS 220 AND 20 26. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ030-091815- /O.UPG.KRIW.HW.A.0027.121109T1800Z-121110T0300Z/ /O.NEW.KRIW.HW.W.0029.121109T1800Z-121110T0300Z/ EAST SWEETWATER COUNTY- INCLUDING THE CITY OF...WAMSUTTER 248 AM MST FRI NOV 9 2012 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...HIGH WIND WILL DEVELOP AROUND 11 AM MST AND CONTINUE UNTIL 8 PM MST THIS EVENING. * WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. * IMPACTS...TRAVEL IN HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL BECOME HAZARDOUS ALONG INTERSTATE 80. 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. && $$
2 follow-up statements
198 WWUS75 KRIW 091626 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 926 AM MST FRI NOV 9 2012 ...HIGH WINDS WILL DEVELOP TODAY ACROSS SOUTHERN AND CENTRAL WYOMING... .HIGH WINDS WILL DEVELOP THIS AFTERNOON IN SOUTHERN AND CENTRAL WYOMING...AHEAD OF A STRONG COLD FRONT. EASTERN SWEETWATER... SOUTHERN FREMONT AND SOUTHERN NATRONA COUNTIES HAVE THE GREATEST RISK OF EXPERIENCING HIGH WINDS. THE HIGH WIND THREAT IS EXPECTED TO DEVELOP AROUND 11 AM AND CONTINUE UNTIL 8 PM MST THIS EVENING. WYZ019-100300- /O.CON.KRIW.HW.W.0029.121109T1800Z-121110T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 926 AM MST FRI NOV 9 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * TIMING...HIGH WIND IS EXPECTED TO DEVELOP AROUND 11 AM MST AND CONTINUE UNTIL 8 PM MST THIS EVENING. * WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. * IMPACTS...TRAVEL IN HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL BECOME HAZARDOUS ALONG HIGHWAY 287. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$ WYZ020-100300- /O.CON.KRIW.HW.W.0029.121109T1800Z-121110T0300Z/ NATRONA COUNTY LOWER ELEVATIONS- INCLUDING THE CITY OF...CASPER 926 AM MST FRI NOV 9 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * TIMING...HIGH WIND THREAT WILL DEVELOP AROUND 11 AM MST AND CONTINUE UNTIL 8 PM MST THIS EVENING. * WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. * IMPACTS...TRAVEL IN HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL BECOME HAZARDOUS ALONG INTERSTATE 25 AND HIGHWAYS 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. && $$ WYZ030-100300- /O.CON.KRIW.HW.W.0029.121109T1800Z-121110T0300Z/ EAST SWEETWATER COUNTY- INCLUDING THE CITY OF...WAMSUTTER 926 AM MST FRI NOV 9 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING. * TIMING...HIGH WIND WILL DEVELOP AROUND 11 AM MST AND CONTINUE UNTIL 8 PM MST THIS EVENING. * WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH ARE EXPECTED. * IMPACTS...TRAVEL IN HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL BECOME HAZARDOUS ALONG INTERSTATE 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WYOROAD.INFO. && $$
318 WWUS75 KRIW 100005 NPWRIW URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 505 PM MST FRI NOV 9 2012 WYZ019-020-030-100115- /O.CAN.KRIW.HW.W.0029.000000T0000Z-121110T0300Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER...WAMSUTTER 505 PM MST FRI NOV 9 2012 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH WIND WARNING. A COLD FRONT WILL CONTINUE TO PUSH SOUTH AND EAST ACROSS THE AREA THIS EVENING. SOUTH WIND WILL CONTINUE TO GRADUALLY SUBSIDE THROUGH THE EVENING...WITH A NORTH WIND PREVAILING ACROSS NATRONA COUNTY OVERNIGHT. $$
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 8:47 AM MST | Winter Storm Warning | RIW | Lincoln, Sublette | 5 hr |
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.