Alert archive / Wyoming / High Wind Watches in 2019
High Wind Watch 1, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Jan 2, 2019, 1:41 AM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Jan 3, 2019, 6:00 AM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 2, 2019, 1:41 AM MST (08:41 UTC)
- In effect from
- Jan 3, 2019, 6:00 AM MST
- Expired
- Jan 2, 2019, 1:24 PM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 08:46 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 00:00Z, 8.7 hours before the alert went out and 259 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
- 1269 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- 51 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 Jan 1, 10:51 PM MST, 2 hours 50 minutes earlier.
Area forecast discussion, Jan 1, 10:51 PM MST, 2 hours 50 minutes before
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</html>Hazardous weather outlook, Jan 1, 2:59 PM MST, 10 hours 42 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 259 PM MST Tue Jan 1 2019 NEZ002-003-019>021-054-055-095-096-WYZ101>104-106>114-116>119- 022200- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux-Converse County Lower Elevations- Niobrara County-North Laramie Range- Ferris/Seminoe/Shirley Mountains- Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 259 PM MST Tue Jan 1 2019 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Cold temperatures will again be likely tonight but the lower wind speeds should keep wind chills higher. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY No active weather is expected at this time. .Spotter information statement... Spotter activation will not be needed. WYZ105-115-022200- Shirley Basin-Laramie Valley- 259 PM MST Tue Jan 1 2019 This hazardous weather outlook is for portions of south central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Cold air trapped within valley inversions will combine with drainage winds to create dangerous wind chills to as much as 30 below zero tonight through Wednesday morning. A Wind Chill Advisory is in effect from 8 pm tonight through 8 am Wednesday. Take precautions if working outdoors as extreme wind chills can cause frostbite or hypothermia quickly. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY No active weather is expected at this time. .Spotter information statement... Spotter activation will not be needed.
In the hours before
Local storm report, Jan 1, 8:58 PM MST, 4 hours 43 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 |
|---|---|---|---|---|
| Jan 1, 7:53 PM MST | High Wind Warning | CYS | Albany, Laramie, Platte | 12 hr |
| Jan 2, 1:24 PM MST | High Wind Warning | CYS | Albany, Laramie, Platte | 45 hr |
Nearby
High Wind Watches in Wyoming, 2019Every high wind watch in 2019
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.