Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 25, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Apr 25, 2021, 10:18 AM MDT for Albany County, Carbon County, Wyoming. It took effect at Apr 25, 2021, 3:00 PM MDT. It was in force for 30 hr. 10 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
- Apr 25, 2021, 10:18 AM MDT (16:18 UTC)
- In effect from
- Apr 25, 2021, 3:00 PM MDT
- Expired
- Apr 26, 2021, 9:00 PM MDT
- In force
- 30 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 16:22 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 |
|---|---|---|---|
| Apr 26, 9:12 AM MDT | NON-TSTM WND GST 58 | Skyline, WY | MESONET STATION KSKL SKYLINE (WYDOT). |
| Apr 26, 9:36 AM MDT | NON-TSTM WND GST 66 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Apr 26, 11:36 AM MDT | NON-TSTM WND GST 62 | 7 Ese Arlington, WY | MESONET STATION WY24 6.9 E ARLINGTON (WYDOT). |
| Apr 26, 12:22 PM MDT | NON-TSTM WND GST 73 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Apr 26, 12:53 PM MDT | NON-TSTM WND GST 59 | 2 Ne Rawlins, WY | ASOS STATION KRWL 1 ENE RAWLINS. |
| Apr 26, 1:02 PM MDT | NON-TSTM WND GST 78 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Apr 26, 1:49 PM MDT | NON-TSTM WND GST 60 | 2 Ne Rawlins, WY | ASOS STATION KRWL 1 ENE RAWLINS. |
| Apr 26, 2:02 PM MDT | NON-TSTM WND GST 58 | 5 Nw Arlington, WY | MESONET STATION WY21 5.5 NW ARLINGTON (WYDOT). |
| Apr 26, 2:18 PM MDT | NON-TSTM WND GST 63 | 2 Ne Rawlins, WY | ASOS STATION KRWL 1 ENE RAWLINS. |
| Apr 26, 2:43 PM MDT | NON-TSTM WND GST 58 | 19 N Dixon, WY | MESONET STATION COWW4 21 NNE BAGGS - COW CREEK RAWS - COW. |
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, 4.3 hours before the alert went out and 230 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
- 1981 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
952 WWUS75 KCYS 251618 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1018 AM MDT Sun Apr 25 2021 WYZ110-260030- /O.NEW.KCYS.HW.W.0025.210425T2100Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1018 AM MDT Sun Apr 25 2021 ...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM MDT MONDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills. * WHEN...From 3 PM this afternoon to 9 PM MDT Monday. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers face a high risk of blow off or blow over. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
6 follow-up statements
279 WWUS75 KCYS 251949 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 149 PM MDT Sun Apr 25 2021 WYZ110-261200- /O.CON.KCYS.HW.W.0025.210425T2100Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 149 PM MDT Sun Apr 25 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT MONDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills. * WHEN...Through 9 PM MDT Monday. There may be a brief lull in winds for a short time tonight...but are expected to pick up again early Monday morning. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers face a high risk of blow off or blow over. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ104-105-109-111-261200- /O.NEW.KCYS.HW.A.0019.210426T1600Z-210427T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Southwest Carbon County- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, and Baggs 149 PM MDT Sun Apr 25 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin, Central Carbon County and Southwest Carbon County. * WHEN...From Monday morning through Monday afternoon. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers may face a high risk of blow off or blow over. Travel may be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
561 WWUS75 KCYS 260247 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 847 PM MDT Sun Apr 25 2021 WYZ110-261200- /O.CON.KCYS.HW.W.0025.000000T0000Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 847 PM MDT Sun Apr 25 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT MONDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Through 9 PM MDT Monday. There may be a brief lull in winds for a short time tonight...but are expected to pick up again early Monday morning. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers face a high risk of blow off or blow over. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ113-115-261200- /O.EXA.KCYS.HW.A.0019.210426T1600Z-210427T0000Z/ Upper North Platte River Basin-Laramie Valley- Including the cities of Saratoga, Encampment, Laramie, and Bosler 847 PM MDT Sun Apr 25 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...Lower elevations west of the Laramie Range including much of Carbon and Albany counties. * WHEN...10 AM MDT until 6 PM MDT Monday. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers may face a high risk of blow off or blow over. Travel may be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ104-105-109-111-261200- /O.CON.KCYS.HW.A.0019.210426T1600Z-210427T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Southwest Carbon County- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, and Baggs 847 PM MDT Sun Apr 25 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph possible. * WHERE...Lower elevations west of the Laramie Range including much of Carbon and Albany counties. * WHEN...10 AM MDT until 6 PM MDT Monday. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers may face a high risk of blow off or blow over. Travel may be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CLH
742 WWUS75 KCYS 260825 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 225 AM MDT Mon Apr 26 2021 WYZ104-105-109-111-113-115-270000- /O.UPG.KCYS.HW.A.0019.210426T1600Z-210427T0000Z/ /O.EXB.KCYS.HW.W.0025.210426T1600Z-210427T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Southwest Carbon County- Upper North Platte River Basin-Laramie Valley- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Laramie, and Bosler 225 AM MDT Mon Apr 26 2021 ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM MDT THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Ferris, Seminoe, and Shirley Mountains, Shirley Basin, Central Carbon County, Southwest Carbon County, Upper North Platte River Basin and Laramie Valley. This includes Encampment, Laramie, Rawlins, Saratoga, and Shirley Basin. * WHEN...From 10 AM this morning to 6 PM MDT this evening. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers may face a high risk of blow off or blow over. Travel may be difficult, especially for high profile vehicles. 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. && $$ WYZ110-270000- /O.CON.KCYS.HW.W.0025.000000T0000Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 225 AM MDT Mon Apr 26 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Through 9 PM MDT Monday. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers face a high risk of blow off or blow over. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
111 WWUS75 KCYS 262014 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 214 PM MDT Mon Apr 26 2021 WYZ110-270300- /O.CON.KCYS.HW.W.0025.000000T0000Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 214 PM MDT Mon Apr 26 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Through 9 PM MDT Monday. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers face a high risk of blow off or blow over. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ104-105-109-111-113-115-270000- /O.CON.KCYS.HW.W.0025.000000T0000Z-210427T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Southwest Carbon County- Upper North Platte River Basin-Laramie Valley- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Laramie, and Bosler 214 PM MDT Mon Apr 26 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Ferris, Seminoe, and Shirley Mountains, Shirley Basin, Central Carbon County, Southwest Carbon County, Upper North Platte River Basin and Laramie Valley. This includes Encampment, Laramie, Rawlins, Saratoga, and Shirley Basin. * WHEN...Through 6 PM MDT this evening. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers may face a high risk of blow off or blow over. Travel may be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
009 WWUS75 KCYS 262340 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 540 PM MDT Mon Apr 26 2021 WYZ104-105-109-111-113-115-270045- /O.EXP.KCYS.HW.W.0025.000000T0000Z-210427T0000Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Southwest Carbon County- Upper North Platte River Basin-Laramie Valley- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Baggs, Saratoga, Encampment, Laramie, and Bosler 540 PM MDT Mon Apr 26 2021 ...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING... Strong winds from earlier this afternoon have started to subside early this evening. Therefore, will allow the High Wind Warning for the lower elevations of Carbon County and Albany County to expire on time. $$ WYZ110-270300- /O.CON.KCYS.HW.W.0025.000000T0000Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 540 PM MDT Mon Apr 26 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Through 9 PM MDT Monday. * IMPACTS...Mainly to transportation. Light weight and high profile vehicles such as empty tractor trailers and those towing camper trailers face a high risk of blow off or blow over. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
346 WWUS75 KCYS 270242 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 842 PM MDT Mon Apr 26 2021 WYZ110-270345- /O.EXP.KCYS.HW.W.0025.000000T0000Z-210427T0300Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 842 PM MDT Mon Apr 26 2021 ...HIGH WIND WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Strong gusty winds have diminished this evening across the Arlington and Elk Mountain areas. The High Wind Warning will be allowed to expire at 9 PM MDT. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 1:49 PM MDT | High Wind Watch | CYS | Albany, Carbon | 13 hr |
Nearby
High Wind Warnings in Wyoming, 2021Every high wind warning in 2021
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.