Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 30, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Aug 19, 2021, 2:10 AM MDT for Albany County, Carbon County, Laramie County, Wyoming. It took effect at Aug 20, 2021, 12:00 AM MDT. It was in force for 12 hr. 8 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
- Aug 19, 2021, 2:10 AM MDT (08:10 UTC)
- In effect from
- Aug 20, 2021, 12:00 AM MDT
- Expired
- Aug 20, 2021, 12:00 PM MDT
- In force
- 12 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 08:10 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 |
|---|---|---|---|
| Aug 20, 1:52 AM MDT | NON-TSTM WND GST 59 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Aug 20, 8:36 AM MDT | NON-TSTM WND GST 63 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
| Aug 20, 9:06 AM MDT | NON-TSTM WND GST 60 | 2 E Arlington, WY | MESONET STATION WY23 1.6 E ARLINGTON (WYDOT). |
| Aug 20, 9:06 AM MDT | NON-TSTM WND GST 83 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Aug 20, 9:18 AM MDT | NON-TSTM WND GST 60 | 2 Wnw Buford, WY | UR535 SHERWS UPR SITE. SUSTAINED WINDS 49 MPH. GUST 62 MPH AT 923 AM. GUST60 MPH AT 948 AM. GUST 58 MPH AT 1012 AM. |
| Aug 20, 9:20 AM MDT | NON-TSTM WND GST 56 | 10 Ese Crystal Lake Cam, WY | EMKAY UPR SITE. |
| Aug 20, 9:24 AM MDT | NON-TSTM WND GST 66 | 2 Wnw Buford, WY | UP203 BUFORW UPR SITE. SUSTAINED WINDS 53 MPH. |
| Aug 20, 9:26 AM MDT | NON-TSTM WND GST 60 | 2 Wnw Buford, WY | MESONET STATION WY36 2.4 NW BUFORD (WYDOT). |
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, 8.2 hours before the alert went out and 274 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
- 1857 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
567 WWUS75 KCYS 190810 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 210 AM MDT Thu Aug 19 2021 WYZ110-192300- /O.UPG.KCYS.HW.A.0021.210820T0600Z-210820T1500Z/ /O.NEW.KCYS.HW.W.0030.210820T0600Z-210820T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 210 AM MDT Thu Aug 19 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph. * WHERE...North Snowy Range Foothills, including Interstate 80 between mile markers 235 to 295. * WHEN...Midnight tonight through noon Friday. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ WYZ116-192300- /O.CON.KCYS.HW.A.0021.210820T0600Z-210820T1500Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 210 AM MDT Thu Aug 19 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Southern Laramie Range. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ WYZ106-117-192300- /O.CON.KCYS.HW.A.0021.210820T0900Z-210820T1500Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills- Including the cities of Bordeaux, Whitaker, Federal, and Horse Creek 210 AM MDT Thu Aug 19 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Central Laramie Range and Southwest Platte County and South Laramie Range Foothills. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$
2 follow-up statements
674 WWUS75 KCYS 191959 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 159 PM MDT Thu Aug 19 2021 WYZ106-192100- /O.CAN.KCYS.HW.A.0021.210820T0900Z-210820T1500Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 159 PM MDT Thu Aug 19 2021 ...HIGH WIND WATCH IS CANCELLED... Although gusty winds over 40 mph are likely during this time period, high winds over 60 mph are no longer expected. $$ WYZ116-201200- /O.UPG.KCYS.HW.A.0021.210820T0600Z-210820T1500Z/ /O.EXA.KCYS.HW.W.0030.210820T0600Z-210820T1800Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 159 PM MDT Thu Aug 19 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph. * WHERE...South Laramie Range. * WHEN...From midnight tonight to noon MDT Friday. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ WYZ117-201200- /O.UPG.KCYS.HW.A.0021.210820T0900Z-210820T1500Z/ /O.EXA.KCYS.HW.W.0030.210820T0600Z-210820T1800Z/ South Laramie Range Foothills- Including the cities of Whitaker, Federal, and Horse Creek 159 PM MDT Thu Aug 19 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph. * WHERE...South Laramie Range Foothills. * WHEN...From midnight tonight to noon MDT Friday. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ110-201200- /O.CON.KCYS.HW.W.0030.210820T0600Z-210820T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 159 PM MDT Thu Aug 19 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph. * WHERE...North Snowy Range Foothills, including Interstate 80 between mile markers 235 to 295. * WHEN...Midnight tonight through noon Friday. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$
745 WWUS75 KCYS 200925 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 325 AM MDT Fri Aug 20 2021 WYZ110-201800- /O.CON.KCYS.HW.W.0030.000000T0000Z-210820T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 325 AM MDT Fri Aug 20 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph. * WHERE...North Snowy Range Foothills, including Interstate 80 between mile markers 235 to 295. * WHEN...Until noon today. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ116-117-201800- /O.CON.KCYS.HW.W.0030.000000T0000Z-210820T1800Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 325 AM MDT Fri Aug 20 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph. * WHERE...South Laramie Range. * WHEN...Until noon today. * IMPACTS...Mainly to transportation. Strong crosswinds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ Rubin
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 6:34 PM MDT | Special Weather Statement | CYS | Laramie | 26 min |
| Aug 18, 7:41 PM MDT | Special Weather Statement | CYS | Goshen | 34 min |
| Aug 18, 9:49 PM MDT | Special Weather Statement | CYS | Goshen | 41 min |
| Aug 19, 10:00 AM MDT | Special Weather Statement | CYS | Converse | 45 min |
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.