Alert archive / Wyoming / High Wind Watches in 2022

High Wind Watch 64, NWS Cheyenne, WY

December 25, 20225 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Dec 25, 2022, 5:43 PM MST for 5 counties in Wyoming. It took effect at Dec 26, 2022, 2:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 25, 2022, 5:43 PM MST (00:43 UTC)
In effect from
Dec 26, 2022, 2:00 PM MST
Expired
Dec 26, 2022, 1:20 PM MST
In force
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 00:47 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

Riverton, WY (KRIW), launched 00:00Z, 0.7 hours before the alert went out and 264 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 00:00Z on 2022-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2022-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3517 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Dec 25, 4:30 PM MST, 1 hour 13 minutes earlier.

Area forecast discussion, Dec 25, 4:30 PM MST, 1 hour 13 minutes before
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Hazardous weather outlook, Dec 25, 10:59 AM MST, 6 hours 44 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
1059 AM MST Sun Dec 25 2022

NEZ002-003-019>021-054-055-095-096-WYZ101>105-107>109-111>115-119-
261800-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-East Platte County-Goshen County-
Central Carbon County-Southwest Carbon County-Sierra Madre Range-
Upper North Platte River Basin-Snowy Range-Laramie Valley-
East Laramie County-
1059 AM MST Sun Dec 25 2022

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Gusty west winds of 35 to 50 MPH are expected through late this
afternoon.

Snow showers will develop this afternoon and evening. The Snowy
and Sierra Madre mountains could receive three to five inches of
accumulation. Little or no accumulation is expected for lower
elevations.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Snow showers will taper off over the mountains Monday.

Very strong winds are possible Monday night through Tuesday night
especially along and west of the Laramie Range.

.Spotter information statement...

Spotter activation will not be required.

WYZ106-110-116>118-261800-
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
South Laramie Range Foothills-Central Laramie County-
1059 AM MST Sun Dec 25 2022

This hazardous weather outlook is for portions of south central
Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Very strong west winds with gusts of 60 to 70 MPH will continue
through the late afternoon and early evening. High Wind Warnings
remain in effect for these areas.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Very strong winds are possible Monday night through Tuesday night.

.Spotter information statement...

Spotter activation will not be required.

In the hours before

Local storm report, Dec 25, 12:03 PM MST, 5 hours 40 minutes before
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Local storm report, Dec 25, 1:00 PM MST, 4 hours 43 minutes before
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Local storm report, Dec 25, 2:01 PM MST, 3 hours 42 minutes before
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Local storm report, Dec 25, 3:26 PM MST, 2 hours 17 minutes before
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 26, 1:38 AM MSTHigh Wind WarningCYSAlbany, Carbon, Converse, Laramie, Platte51 hr
Dec 26, 1:02 PM MSTWinter Weather AdvisoryCYSAlbany, Carbon46 hr

Nearby

High Wind Watches in Wyoming, 2022Every high wind watch in 2022

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.