Alert archive / Montana / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 157, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Aug 25, 2022, 5:51 PM MDT for Meagher County, Montana. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2022, 5:51 PM MDT (23:51 UTC)
- Expired
- Aug 25, 2022, 6:15 PM MDT
- In force
- 24 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Meagher County, MT
The radar
The Great Falls radar (KTFX), 103 km from the middle of the area, began a volume at 23:55 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 12:00Z, 11.9 hours before the alert went out and 98 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
- 4 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1150 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 25, 5:15 PM MDT, 36 minutes earlier.
Area forecast discussion, Aug 25, 5:15 PM MDT, 36 minutes before
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Local storm report, Aug 25, 5:21 PM MDT, 30 minutes before
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</html>Special weather statement, Aug 25, 5:38 PM MDT, 13 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 |
|---|---|---|---|---|
| Aug 24, 6:19 PM MDT | Special Weather Statement | TFX | Madison | 41 min |
| Aug 24, 6:26 PM MDT | Special Weather Statement | TFX | Beaverhead | 49 min |
| Aug 24, 7:02 PM MDT | Special Weather Statement | TFX | Silver Bow | 43 min |
| Aug 24, 7:08 PM MDT | Special Weather Statement | TFX | 37 min | |
| Aug 24, 7:18 PM MDT | Special Weather Statement | TFX | Deer Lodge | 42 min |
| Aug 24, 7:38 PM MDT | Special Weather Statement | TFX | Jefferson | 52 min |
| Aug 24, 9:15 PM MDT | Special Weather Statement | TFX | Broadwater | 30 min |
| Aug 24, 9:57 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 30 min |
| Aug 24, 10:23 PM MDT | Flash Flood Warning | TFX | Broadwater, Meagher | 92 min |
| Aug 24, 10:26 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Meagher | 25 min |
| Aug 24, 11:55 PM MDT | Areal Flood Advisory | TFX | Broadwater, Meagher | 74 min |
| Aug 25, 12:50 AM MDT | Areal Flood Advisory | TFX | Cascade | 2 hr |
| Aug 25, 2:44 AM MDT | Areal Flood Advisory | TFX | Fergus, Judith Basin | 4 hr |
| Aug 25, 2:37 PM MDT | Special Weather Statement | TFX | Beaverhead | 38 min |
| Aug 25, 3:00 PM MDT | Special Weather Statement | TFX | Broadwater | 45 min |
| Aug 25, 3:09 PM MDT | Special Weather Statement | TFX | Pondera | 36 min |
| Aug 25, 3:42 PM MDT | Special Weather Statement | TFX | Pondera | 48 min |
| Aug 25, 3:43 PM MDT | Special Weather Statement | TFX | Beaverhead | 47 min |
| Aug 25, 3:54 PM MDT | Special Weather Statement | TFX | Broadwater | 51 min |
| Aug 25, 4:06 PM MDT | Special Weather Statement | TFX | Beaverhead | 24 min |
| Aug 25, 4:08 PM MDT | Special Weather Statement | TFX | Deer Lodge | 37 min |
| Aug 25, 4:14 PM MDT | Special Weather Statement | TFX | Broadwater | 46 min |
| Aug 25, 4:14 PM MDT | Special Weather Statement | TFX | Broadwater | 46 min |
| Aug 25, 4:26 PM MDT | Areal Flood Advisory | TFX | Lewis and Clark, Pondera, Teton | 36 min |
| Aug 25, 4:33 PM MDT | Areal Flood Advisory | TFX | Beaverhead | 3 hr |
| Aug 25, 4:39 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 25 min |
| Aug 25, 4:47 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 43 min |
| Aug 25, 4:54 PM MDT | Special Weather Statement | TFX | Broadwater | 36 min |
| Aug 25, 5:02 PM MDT | Flash Flood Warning | TFX | Lewis and Clark, Pondera, Teton | 3 hr |
| Aug 25, 5:06 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 24 min |
| Aug 25, 5:09 PM MDT | Special Weather Statement | TFX | Jefferson | 36 min |
| Aug 25, 5:26 PM MDT | Special Weather Statement | TFX | Teton | 49 min |
| Aug 25, 5:31 PM MDT | Special Weather Statement | TFX | Madison | 29 min |
| Aug 25, 5:34 PM MDT | Special Weather Statement | TFX | Meagher | 26 min |
| Aug 25, 5:37 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 53 min |
| Aug 25, 5:38 PM MDT | Special Weather Statement | TFX | Broadwater | 37 min |
| Aug 25, 5:41 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 34 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2022Every severe thunderstorm 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; radar from the NEXRAD Level II archive.