Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 28, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at May 23, 2021, 2:04 AM MDT for Albany County, Carbon County, Wyoming. It took effect at May 23, 2021, 9:00 AM MDT. It was in force for 11 hr. 5 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
- May 23, 2021, 2:04 AM MDT (08:04 UTC)
- In effect from
- May 23, 2021, 9:00 AM MDT
- Expired
- May 23, 2021, 7:50 PM MDT
- In force
- 11 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 08:05 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 |
|---|---|---|---|
| May 23, 11:57 AM MDT | HAIL 0.25 | Laramie, WY | |
| May 23, 12:15 PM MDT | NON-TSTM WND GST 66 | 1 Wnw Seminoe Dam, WY | NON-THUNDERSTORM WIND GUST TO 66 MPH. |
| May 23, 4:22 PM MDT | NON-TSTM WND GST 62 | 1 Nnw Arlington, WY | WYDOT SENSOR AT ARLINGTON. |
| May 23, 5:52 PM MDT | NON-TSTM WND GST 60 | 3 Nw Elk Mountain, WY | |
| May 23, 6:02 PM MDT | NON-TSTM WND GST 67 | 1 Nnw Arlington, WY | WYDOT SENSOR AT ARLINGTON. SUSTAINED WINDS OF 40 MPH. |
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, 8.1 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
- 1006 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 342 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
108 WWUS75 KCYS 230804 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 204 AM MDT Sun May 23 2021 WYZ104-105-109-110-231415- /O.NEW.KCYS.HW.W.0028.210523T1500Z-210524T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-North Snowy Range Foothills- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Arlington, and Elk Mountain 204 AM MDT Sun May 23 2021 ...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin, Central Carbon County and North Snowy Range Foothills. This includes Interstate 80 between Rawlins and Arlington. * WHEN...From 9 AM this morning to 9 PM MDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Travel will be difficult, especially for light, 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. && $$ WYZ116-117-231400- /O.CON.KCYS.FG.Y.0008.000000T0000Z-210523T1400Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 204 AM MDT Sun May 23 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING... * WHAT...Visibility less than one mile in dense fog. * WHERE...South Laramie Range and South Laramie Range Foothills. Including Interstate 80 between Laramie and Cheyenne. * WHEN...Until 8 AM MDT this morning. * IMPACTS...Hazardous driving conditions due to low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ WM
2 follow-up statements
940 WWUS75 KCYS 231330 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 730 AM MDT Sun May 23 2021 WYZ116-117-231430- /O.CAN.KCYS.FG.Y.0008.000000T0000Z-210523T1400Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 730 AM MDT Sun May 23 2021 ...DENSE FOG ADVISORY IS CANCELLED... Fog has lifted along Interstate 80 between Cheyenne and Laramie with the exception of around Mile Marker 353, but that fog is expected to lift in the next hour. $$ WYZ104-105-109-110-240000- /O.CON.KCYS.HW.W.0028.210523T1500Z-210524T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-North Snowy Range Foothills- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Arlington, and Elk Mountain 730 AM MDT Sun May 23 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin, Central Carbon County and North Snowy Range Foothills. This includes Interstate 80 between Rawlins and Arlington. * WHEN...From 9 AM this morning to 9 PM MDT this evening. * IMPACTS...Damaging winds could blow down trees and power lines. Travel will be difficult, especially for light, high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Maintain caution if traveling in a light, high profile vehicle, including camper trailers and tractors. && $$
653 WWUS75 KCYS 240150 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 750 PM MDT Sun May 23 2021 WYZ104-105-109-110-240300- /O.CAN.KCYS.HW.W.0028.000000T0000Z-210524T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-North Snowy Range Foothills- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Arlington, and Elk Mountain 750 PM MDT Sun May 23 2021 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Cheyenne has cancelled the High Wind Warning. Occasional strong winds this afternoon have diminished below 40 MPH this evening across Carbon and northern Albany counties. Therefore, will cancel the High Wind Warning for the next hour. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 12:54 AM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 7 hr |
| May 23, 1:18 PM MDT | Special Weather Statement | CYS | Laramie | 42 min |
| May 23, 1:28 PM MDT | Special Weather Statement | CYS | Platte | 47 min |
| May 23, 1:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 29 min |
| May 23, 1:59 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 19 min |
| May 23, 2:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 42 min |
| May 23, 2:38 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 24 min |
| May 23, 3:22 PM MDT | Areal Flood Advisory | CYS | Laramie | 3 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.