Alert archive / Wyoming / High Wind Warnings in 2020
High Wind Warning 39, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Oct 30, 2020, 2:37 AM MDT for 4 counties in Wyoming. It took effect at Oct 30, 2020, 6:00 PM MDT. It was in force for 12 hr. 15 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
- Oct 30, 2020, 2:37 AM MDT (08:37 UTC)
- In effect from
- Oct 30, 2020, 6:00 PM MDT
- Expired
- Oct 31, 2020, 6:26 AM MDT
- In force
- 12 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 08:35 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 |
|---|---|---|---|
| Oct 30, 10:22 PM MDT | NON-TSTM WND GST 58 | 7 Ese Arlington, WY | MESONET STATION WY24 6.9 E ARLINGTON (WYDOT). |
| Oct 30, 11:26 PM MDT | NON-TSTM WND GST 62 | 7 Ese Arlington, WY | COOPER COVER BY ARLINGTON. |
| Oct 30, 11:36 PM MDT | NON-TSTM WND GST 59 | 7 Nw Elk Mountain, WY | HALLECK RIDGE BY ELK MOUNTAIN. SUSTAINED 47 MPH. |
| Oct 30, 11:36 PM MDT | NON-TSTM WND GST 60 | Arlington, WY | SUSTAINED 44 MPH. |
| Oct 30, 11:56 PM MDT | NON-TSTM WND GST 62 | 7 Nw Elk Mountain, WY | HALLECK RIDGE BY ELK MNOUNTAIN. SUSTAINED 52 MPH. |
| Oct 31, 12:08 AM MDT | NON-TSTM WND GST 63 | Arlington, WY | SUSTAINED 47 MPH. |
| Oct 31, 1:40 AM MDT | NON-TSTM WND GST 67 | 9 S Wheatland, WY | I-25 EXIT AT BORDEAUX. SUSTAINED 44 MPH. |
| Oct 31, 1:46 AM MDT | NON-TSTM WND GST 59 | 3 Nw Elk Mountain, WY | |
| Oct 31, 1:56 AM MDT | NON-TSTM WND GST 64 | 7 Ese Arlington, WY | COOPER COVE BY ARLINGTON. SUSTAINED 41 MPH. |
| Oct 31, 2:54 AM MDT | NON-TSTM WND GST 61 | 2 W Buford, WY | LONE TREE. SUSTAINED 44 MPH. |
| Oct 31, 2:55 AM MDT | NON-TSTM WND GST 60 | 2 W Buford, WY | BUFORD UPR SITE. SUSTAINED 47 MPH. |
| Oct 31, 3:00 AM MDT | NON-TSTM WND GST 58 | 21 Wsw Cheyenne, WY | LYNCH WEST UPR SITE. SUSTAINED 50 MPH. |
| Oct 31, 3:00 AM MDT | NON-TSTM WND GST 58 | 23 W Cheyenne, WY | REMOUNT ROAD. SUSTAINED 47 MPH. |
| Oct 31, 3:16 AM MDT | NON-TSTM WND GST 58 | 5 Nne Buford, WY | HYNDS LODGE ROAD. |
| Oct 31, 3:55 AM MDT | NON-TSTM WND GST 58 | 14 Wsw Cheyenne, WY | EMKWY UPR SITE. |
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, 8.6 hours before the alert went out and 278 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
- 2939 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- -55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
763 WWUS75 KCYS 300837 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 237 AM MDT Fri Oct 30 2020 WYZ110-310000- /O.UPG.KCYS.HW.A.0026.201031T0300Z-201031T1200Z/ /O.NEW.KCYS.HW.W.0039.201031T0000Z-201031T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 237 AM MDT Fri Oct 30 2020 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT SATURDAY... * WHAT...Southwest winds 30 to 40 MPH with gusts up to 65 MPH expected. * WHERE...North Snowy Range Foothills including Interstate 80 near Arlington and Elk Mountain. * WHEN...From 6 PM this evening to 6 AM MDT Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including camping and tractor trailers. There will be a high risk for vehicle blow overs. 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. && $$ WYZ106-117-310000- /O.EXB.KCYS.HW.A.0026.201031T0300Z-201031T1500Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills- Including the cities of Bordeaux, Whitaker, Federal, and Horse Creek 237 AM MDT Fri Oct 30 2020 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... * WHAT...West winds 30 to 40 MPH with gusts up to 60 MPH possible. * WHERE...Central Laramie Range and Southwest Platte County including Interstate 25 near Bordeaux and South Laramie Range Foothills. * WHEN...From this evening through Saturday morning. * IMPACTS...Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ116-310000- /O.EXT.KCYS.HW.A.0026.201031T0300Z-201031T1500Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 237 AM MDT Fri Oct 30 2020 ...HIGH WIND WATCH NOW IN EFFECT FROM THIS EVENING THROUGH SATURDAY MORNING... * WHAT...West winds 30 to 40 MPH with gusts up to 65 MPH possible. * WHERE...South Laramie Range including the Interstate 80 Summit and Vedauwoo. * WHEN...From this evening through Saturday morning. * IMPACTS...Travel could 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. && $$ MB
4 follow-up statements
996 WWUS75 KCYS 302006 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 206 PM MDT Fri Oct 30 2020 WYZ106-116-117-311015- /O.UPG.KCYS.HW.A.0026.201031T0300Z-201031T1500Z/ /O.EXB.KCYS.HW.W.0039.201031T0300Z-201031T1500Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 206 PM MDT Fri Oct 30 2020 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT SATURDAY... * WHAT...West winds 25 to 40 mph with gusts over 60 mph expected. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills. * WHEN...From 9 PM this evening to 9 AM MDT Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ110-311015- /O.CON.KCYS.HW.W.0039.201031T0000Z-201031T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 206 PM MDT Fri Oct 30 2020 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT SATURDAY... * WHAT...Southwest winds 30 to 45 mph with gusts over 60 mph expected. * WHERE...North Snowy Range Foothills. * WHEN...From 6 PM this evening to 6 AM MDT Saturday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including camping and tractor trailers. There will be a high risk for vehicle blow overs. 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. && $$
306 WWUS75 KCYS 310720 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 120 AM MDT Sat Oct 31 2020 WYZ106-116-117-311500- /O.CON.KCYS.HW.W.0039.000000T0000Z-201031T1500Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 120 AM MDT Sat Oct 31 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Sustained west to southwest winds 25 to 40 mph with gusts up to 65 mph. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills including the Interstate 80 Summit, Vedauwoo and Bordeaux. * WHEN...Until 9 AM MDT Saturday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ110-311200- /O.CON.KCYS.HW.W.0039.000000T0000Z-201031T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 120 AM MDT Sat Oct 31 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * WHAT...Sustained west to southwest winds 30 to 45 mph with gusts up to 65 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain. * WHEN...Until 6 AM MDT Saturday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including camping and tractor trailers. There will be a high risk for vehicle blow overs. 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. && $$
906 WWUS75 KCYS 311156 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 556 AM MDT Sat Oct 31 2020 WYZ110-311300- /O.EXP.KCYS.HW.W.0039.000000T0000Z-201031T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 556 AM MDT Sat Oct 31 2020 ...HIGH WIND WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... Sustained winds decreased to 25 to 35 mph with gusts around 50 mph during the past few hours. The threat for high winds has ended and the High Wind Warning will expire at 6 AM. $$ WYZ106-116-117-311500- /O.CON.KCYS.HW.W.0039.000000T0000Z-201031T1500Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 556 AM MDT Sat Oct 31 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Sustained west winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills including the Interstate 80 Summit, Vedauwoo and Bordeaux. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. 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. && $$
727 WWUS75 KCYS 311226 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 626 AM MDT Sat Oct 31 2020 WYZ106-116-117-311330- /O.CAN.KCYS.HW.W.0039.000000T0000Z-201031T1500Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 626 AM MDT Sat Oct 31 2020 ...HIGH WIND WARNING IS CANCELLED... West to northwest winds sustained at 25 to 35 mph with gusts to 50 mph are expected early this morning. The threat for high winds has ended and the High Wind Warning is cancelled. $$
Nearby
High Wind Warnings in Wyoming, 2020Every high wind warning in 2020
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.