Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 34, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Oct 14, 2021, 2:18 PM MDT for Albany County, Carbon County, Wyoming. It took effect at Oct 15, 2021, 12:00 AM MDT. It was in force for 30 hr. 12 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 14, 2021, 2:18 PM MDT (20:18 UTC)
- In effect from
- Oct 15, 2021, 12:00 AM MDT
- Expired
- Oct 16, 2021, 6:00 AM 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 20:22 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 |
|---|---|---|---|
| Oct 15, 12:52 PM MDT | NON-TSTM WND GST 58 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 1:52 PM MDT | NON-TSTM WND GST 63 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 2:56 PM MDT | NON-TSTM WND GST 71 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 3:06 PM MDT | NON-TSTM WND GST 65 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 3:36 PM MDT | NON-TSTM WND GST 68 | Nw Arlington, WY | WYDOT SENSOR AT ARLINGTON. SUSTAINED WIND AT 52 MPH. |
| Oct 15, 4:26 PM MDT | NON-TSTM WND GST 68 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 5:26 PM MDT | NON-TSTM WND GST 62 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 6:06 PM MDT | NON-TSTM WND GST 66 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 7:56 PM MDT | NON-TSTM WND GST 68 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 8:42 PM MDT | NON-TSTM WND GST 67 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Oct 15, 9:52 PM MDT | HIGH SUST WINDS 41 | 7 Nw Elk Mountain, WY | WYDOT SENSOR AT HALLECK RIDGE. SUSTAINED WINDS OF 41 TO 45 MPH FOR OVER 1 HOUR. |
| Oct 15, 9:56 PM MDT | NON-TSTM WND GST 65 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (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 12:00Z, 8.3 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
- 1624 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
561 WWUS75 KCYS 142018 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 218 PM MDT Thu Oct 14 2021 WYZ110-151100- /O.UPG.KCYS.HW.A.0022.211015T0600Z-211016T1200Z/ /O.NEW.KCYS.HW.W.0034.211015T0600Z-211016T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 218 PM MDT Thu Oct 14 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT SATURDAY... * WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...From midnight tonight to 6 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, particularly along Interstate 80 near Arlington. 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. && $$
3 follow-up statements
064 WWUS75 KCYS 150901 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 301 AM MDT Fri Oct 15 2021 WYZ110-151715- /O.CON.KCYS.HW.W.0034.000000T0000Z-211016T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 301 AM MDT Fri Oct 15 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Until 6 AM MDT Saturday. The strongest winds are expected to occur this afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along Interstate 80 near Arlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CLH
001 WWUS75 KCYS 152021 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 221 PM MDT Fri Oct 15 2021 WYZ110-161200- /O.CON.KCYS.HW.W.0034.000000T0000Z-211016T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 221 PM MDT Fri Oct 15 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Until 6 AM MDT Saturday. The strongest winds are expected to occur this afternoon. * 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, particularly along Interstate 80 near Arlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution if you must drive. && $$
050 WWUS75 KCYS 161152 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 552 AM MDT Sat Oct 16 2021 WYZ110-161300- /O.EXP.KCYS.HW.W.0034.000000T0000Z-211016T1200Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 552 AM MDT Sat Oct 16 2021 ...HIGH WIND WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... West winds 30 to 40 MPH with gusts up to 50 MPH will remain possible through 8 AM MDT, continuing to decrease through the morning. $$ CLH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 3:47 AM MDT | High Wind Watch | CYS | Albany, Carbon | 11 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.