Alert archive / Wyoming / High Wind Watches in 2020
High Wind Watch 22, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Oct 15, 2020, 2:08 AM MDT for 4 counties in Wyoming. It took effect at Oct 16, 2020, 6:00 AM MDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2020, 2:08 AM MDT (08:08 UTC)
- In effect from
- Oct 16, 2020, 6:00 AM MDT
- Expired
- Oct 16, 2020, 11:28 AM MDT
- In force
- 5 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 08:08 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.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 8.1 hours before the alert went out and 283 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
- 1760 m above ground
- 0-6 km bulk shear
- 113 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at Oct 14, 11:33 PM MDT, 2 hours 35 minutes earlier.
Area forecast discussion, Oct 14, 11:33 PM MDT, 2 hours 35 minutes before
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</html>Hazardous weather outlook, Oct 14, 6:17 PM MDT, 7 hours 51 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 617 PM MDT Wed Oct 14 2020 WYZ101-103>107-109>118-160030- Converse County Lower Elevations-North Laramie Range- Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Laramie Range and Southwest Platte County- East Platte County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County- 617 PM MDT Wed Oct 14 2020 This hazardous weather outlook is for most of southeast Wyoming, along and west of Interstate 25. .DAY ONE...TONIGHT Strong winds from earlier today will continue to subside this evening. Occasional wind gusts up to 50 mph are expected west of Interstate 25 before winds fall below 30 mph after midnight. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY Strong winds may return to southeast Wyoming Friday night, ahead of the next cold front. .Spotter information statement... Spotter activation will not be required. NEZ002-003-019>021-054-055-095-096-WYZ102-108-119-160030- Dawes-Box Butte-Scotts Bluff County-Banner County-Morrill- Kimball County-Cheyenne-North Sioux-South Sioux-Niobrara County- Goshen County-East Laramie County- 617 PM MDT Wed Oct 14 2020 This hazardous weather outlook is for portions of panhandle Nebraska...western Nebraska...east central Wyoming and southeast Wyoming. .DAY ONE...TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation will not be required.
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 2:43 PM MDT | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 51 hr |
Nearby
High Wind Watches in Wyoming, 2020Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.