Alert archive / Montana / Blizzard Warnings in 2022
Blizzard Warning 1, NWS Billings, MT
NWS Billings, MT issued this blizzard warning at Apr 11, 2022, 3:13 AM MDT for Carter County, Custer County, Fallon County, Montana. It took effect at Apr 12, 2022, 3:00 AM MDT. It was in force for 57 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
- Apr 11, 2022, 3:13 AM MDT (09:13 UTC)
- In effect from
- Apr 12, 2022, 3:00 AM MDT
- Expired
- Apr 14, 2022, 12:00 PM MDT
- In force
- 57 hr
- Issued by
- NWS Billings, MT
Counties Carter County, MT, Custer County, MT, Fallon County, MT
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 9.2 hours before the alert went out and 328 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1972 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Billings, MT wrote its last area forecast discussion before this blizzard warning went out at Apr 10, 8:11 PM MDT, 7 hours 2 minutes earlier.
Area forecast discussion, Apr 10, 8:11 PM MDT, 7 hours 2 minutes before
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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.