Alert archive / Wyoming / High Wind Watches in 2018
High Wind Watch 17, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Feb 15, 2018, 1:52 PM MST for 4 counties in Wyoming. It took effect at Feb 16, 2018, 12:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 15, 2018, 1:52 PM MST (20:52 UTC)
- In effect from
- Feb 16, 2018, 12:00 PM MST
- Expired
- Feb 16, 2018, 2:58 AM MST
- In force
- 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 20:56 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 (KDEN), launched 12:00Z, 8.9 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
- 1848 m above ground
- 0-6 km bulk shear
- 109 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 60 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 Feb 15, 10:45 AM MST, 3 hours 7 minutes earlier.
Area forecast discussion, Feb 15, 10:45 AM MST, 3 hours 7 minutes before
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</html>Hazardous weather outlook, Feb 15, 3:46 AM MST, 10 hours 6 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 346 AM MST Thu Feb 15 2018 NEZ002-003-019>021-054-055-095-096-WYZ101>103-107-108-118-119- 161100- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux-Converse County Lower Elevations- Niobrara County-North Laramie Range-East Platte County- Goshen County-Central Laramie County-East Laramie County- 346 AM MST Thu Feb 15 2018 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A strong cold front will pass across the area Sunday with some accumulating snow expected to fall behind the front. .Spotter information statement... Spotter activation will not be needed. WYZ104>106-109>117-161100- Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Laramie Range and Southwest 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- 346 AM MST Thu Feb 15 2018 This hazardous weather outlook is for portions of south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Some snow and snow showers will fall mainly over the mountains today. Some gusty winds are also expected this afternoon. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A period of strong winds is looking likely around the mountains late Friday through Saturday. A strong cold front will pass by Sunday and should bring accumulating snow to the area into Sunday night. .Spotter information statement... Spotter activation will not be needed.
In the hours before
Local storm report, Feb 15, 1:35 PM MST, 17 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 10:29 PM MST | Winter Weather Advisory | CYS | Albany, Carbon, Laramie | 6 hr |
Nearby
High Wind Watches in Wyoming, 2018Every high wind watch in 2018
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.