Alert archive / Montana / Wind Chill Warnings in 2023
Wind Chill Warning 1, NWS Great Falls, MT
NWS Great Falls, MT issued this wind chill warning at Feb 23, 2023, 2:44 AM MST for 14 counties in Montana. It was in force for 8 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 23, 2023, 2:44 AM MST (09:44 UTC)
- Expired
- Feb 23, 2023, 11:00 AM MST
- In force
- 8 hr
- Issued by
- NWS Great Falls, MT
Counties Beaverhead County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Gallatin County, MT, Glacier 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, Toole County, MT
The radar
The Great Falls radar (KTFX), 58 km from the middle of the area, began a volume at 09:46 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
Great_falls, MT (KTFX), launched 00:00Z, 9.7 hours before the alert went out and 99 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
- 844 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before this wind chill warning went out at Feb 23, 12:08 AM MST, 2 hours 36 minutes earlier.
Area forecast discussion, Feb 23, 12:08 AM MST, 2 hours 36 minutes before
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 2:44 AM MST | Wind Chill Advisory | TFX | Beaverhead, Broadwater, Glacier, Jefferson, Lewis and Clark, Pondera and 2 more | 33 hr |
| Feb 23, 2:44 AM MST | Winter Storm Watch | TFX | Glacier, Lewis and Clark, Pondera, Teton | 12 hr |
| Feb 23, 5:55 AM MST | Wind Chill Advisory | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Judith Basin and 5 more | 23 hr |
| Feb 23, 2:15 PM MST | Wind Chill Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 9 more | 22 hr |
| Feb 23, 2:15 PM MST | Wind Chill Advisory | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Liberty and 3 more | 43 hr |
| Feb 23, 2:15 PM MST | Winter Storm Warning | TFX | Glacier, Lewis and Clark, Pondera, Teton | 47 hr |
Nearby
Wind Chill Warnings in Montana, 2023Every wind chill 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.