Alert archive / Montana / Extreme Cold Warnings in 2025
Extreme Cold Warning 2, NWS Great Falls, MT
NWS Great Falls, MT issued this extreme cold warning at Feb 2, 2025, 2:02 PM MST for 8 counties in Montana. It took effect at Feb 2, 2025, 5:00 PM MST. It was in force for 42 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
- Feb 2, 2025, 2:02 PM MST (21:02 UTC)
- In effect from
- Feb 2, 2025, 5:00 PM MST
- Expired
- Feb 4, 2025, 11:00 AM MST
- In force
- 42 hr
- Issued by
- NWS Great Falls, MT
Counties Blaine County, MT, Glacier County, MT, Hill County, MT, Lewis and Clark County, MT, Liberty County, MT, Pondera County, MT, Teton County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 90 km from the middle of the area, began a volume at 21:03 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
Spokane, WA (KOTX), launched 12:00Z, 9.0 hours before the alert went out and 373 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
- 1145 m above ground
- 0-6 km bulk shear
- 100 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 1:45 AM MST | Cold Weather Advisory | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Glacier and 9 more | 57 hr |
| Feb 2, 9:07 AM MST | Winter Storm Warning | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 9 more | 3 days |
| Feb 2, 1:51 PM MST | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 3 days |
Nearby
Extreme Cold Warnings in Montana, 2025Every extreme cold warning in 2025
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.