Alert archive / Montana / Blizzard Warnings in 2022
Blizzard Warning 4, NWS Billings, MT
NWS Billings, MT issued this blizzard warning at Dec 15, 2022, 11:34 AM MST for 4 counties in Montana. It was in force for 21 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
- Dec 15, 2022, 11:34 AM MST (18:34 UTC)
- Expired
- Dec 16, 2022, 9:00 AM MST
- In force
- 21 hr
- Issued by
- NWS Billings, MT
Counties Carter County, MT, Custer County, MT, Fallon County, MT, Powder River County, MT
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 6.6 hours before the alert went out and 263 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
- 813 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 14, 5:26 PM MST | Special Weather Statement | BYZ | Big Horn, Yellowstone | 19 min |
| Dec 14, 5:58 PM MST | Special Weather Statement | BYZ | Big Horn, Treasure, Yellowstone | 62 min |
Nearby
Blizzard Warnings in Montana, 2022Every blizzard 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.