Alert archive / Wyoming / Snow Squall Warnings in 2023
Snow Squall Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this snow squall warning at Feb 8, 2023, 2:16 PM MST for Sweetwater County, Wyoming. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 8, 2023, 2:16 PM MST (21:16 UTC)
- Expired
- Feb 8, 2023, 2:45 PM MST
- In force
- 29 min
- Issued by
- NWS Riverton, WY
- Area
- Storm-based polygon
County Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 160 km from the middle of the area, began a volume at 21:17 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 9.3 hours before the alert went out and 271 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
- 1172 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 8, 12:57 PM MST | Special Weather Statement | RIW | 63 min | |
| Feb 8, 1:16 PM MST | Snow Squall Warning | RIW | Johnson | 44 min |
| Feb 8, 1:24 PM MST | Special Weather Statement | RIW | 36 min | |
| Feb 8, 1:31 PM MST | Special Weather Statement | RIW | Hot Springs, Washakie | 44 min |
| Feb 8, 1:53 PM MST | Snow Squall Warning | RIW | Natrona | 52 min |
| Feb 8, 2:09 PM MST | Special Weather Statement | RIW | Hot Springs | 51 min |
| Feb 8, 2:34 PM MST | Snow Squall Warning | RIW | Sweetwater | 26 min |
| Feb 8, 2:43 PM MST | Snow Squall Warning | RIW | Johnson, Natrona | 47 min |
| Feb 8, 3:35 PM MST | Snow Squall Warning | RIW | Johnson, Natrona | 40 min |
| Feb 8, 4:22 PM MST | Snow Squall Warning | RIW | Natrona | 53 min |
Nearby
Snow Squall Warnings in Wyoming, 2023Every snow squall warning in 2023
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.