Alert archive / Montana / Winter Storm Warnings in 2025
Winter Storm Warning 6, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Feb 2, 2025, 9:07 AM MST for 15 counties in Montana. It took effect at Feb 2, 2025, 11:00 AM MST. It was in force for 3 days. 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, 9:07 AM MST (16:07 UTC)
- In effect from
- Feb 2, 2025, 11:00 AM MST
- Expired
- Feb 5, 2025, 3:28 PM MST
- In force
- 3 days
- Issued by
- NWS Great Falls, MT
Counties Beaverhead County, MT, Blaine County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Hill County, MT, Jefferson County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Madison County, MT, Meagher County, MT, Pondera County, MT, Teton County, MT
The radar
The Great Falls radar (KTFX), 55 km from the middle of the area, began a volume at 16:10 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, 4.1 hours before the alert went out and 401 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, 1:51 PM MST | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 3 days |
| Feb 2, 2:02 PM MST | Extreme Cold Warning | TFX | Blaine, Glacier, Hill, Lewis and Clark, Liberty, Pondera and 2 more | 45 hr |
Nearby
Winter Storm Warnings in Montana, 2025Every winter storm 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.