Alert archive / Wyoming / Wind Chill Warnings in 2022
Wind Chill Warning 1, NWS Riverton, WY
NWS Riverton, WY issued this wind chill warning at Jan 4, 2022, 2:33 PM MST for Johnson County, Wyoming. It took effect at Jan 5, 2022, 2:00 AM MST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 4, 2022, 2:33 PM MST (21:33 UTC)
- In effect from
- Jan 5, 2022, 2:00 AM MST
- Expired
- Jan 5, 2022, 8:00 PM MST
- In force
- 18 hr
- Issued by
- NWS Riverton, WY
County Johnson County, WY
The radar
The Riverton/Lander radar (KRIW), 187 km from the middle of the area, began a volume at 21:35 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 12:00Z, 9.6 hours before the alert went out and 182 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
- 1858 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 299 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this wind chill warning went out at Jan 4, 2:01 PM MST, 32 minutes earlier.
Area forecast discussion, Jan 4, 2:01 PM MST, 32 minutes before
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</html>Hazardous weather outlook, Jan 4, 4:29 AM MST, 10 hours 4 minutes before
Hazardous Weather Outlook National Weather Service Riverton WY 429 AM MST Tue Jan 4 2022 WYZ001>020-022>030-051300- Yellowstone National Park-Absaroka Mountains-Cody Foothills- North Big Horn Basin-Southwest Big Horn Basin- Southeast Big Horn Basin-Owl Creek and Bridger Mountains- Bighorn Mountains West-Bighorn Mountains Southeast- Northeast Johnson County-Southeast Johnson County- Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Wind River Mountains East- Upper Wind River Basin-Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin-South Lincoln County- Rock Springs and Green River-Flaming Gorge-East Sweetwater County- 429 AM MST Tue Jan 4 2022 ...Winter Weather Advisory in effect over the far west through 11 AM this Morning... ...Winter Storm Watch for portions of the West from 11 PM Tonight through 5 PM Thursday... ...Multiple High Wind Warnings and Watches across the South and far East... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. Strong to high winds are expected over the south and portions of central Wyoming. Significant snow over the west this morning. Significant snow returns to the west beginning around 11 PM. Please see the high wind and winter weather statements for more details. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday and Thursday...Significant snowfall is likely over portions of the west with a possible lull in the heavy snow Wednesday night. Some accumulating snow is expected east of the Divide on Wednesday. Strong to potentially high winds across the south Wednesday. Bitter cold temperatures especially east of the Divide Wednesday. Friday and Saturday...Snow is expected to continue at times over the west. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report snow amounts. Thank you. TEAM RIVERTON
In the hours before
Local storm report, Jan 4, 8:39 AM MST, 5 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
839 AM MST TUE JAN 4 2022
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0805 AM NON-TSTM WND GST 8 SE RELIANCE 41.60N 109.07W
01/04/2022 M65 MPH SWEETWATER WY ASOS
ASOS STATION KRKS ROCK SPRINGS AIRPORT.
&&The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 1:42 PM MST | High Wind Warning | RIW | Sweetwater | 25 hr |
| Jan 4, 2:33 PM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 53 hr |
| Jan 4, 2:33 PM MST | Winter Weather Advisory | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more | 4 days |
Nearby
Wind Chill Warnings in Wyoming, 2022Every wind chill warning 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.