Alert archive / Montana / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 91, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 8, 2022, 5:29 PM MDT for Liberty County, Pondera County, Toole County, Montana. It was in force for 46 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
- Jul 8, 2022, 5:29 PM MDT (23:29 UTC)
- Expired
- Jul 8, 2022, 6:15 PM MDT
- In force
- 46 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 2.5 in
- Wind
- 60.0 mph
Counties Liberty County, MT, Pondera County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 115 km from the middle of the area, began a volume at 23:29 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 8, 3:09 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 11.5 hours before the alert went out and 363 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
- 1396 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 94 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 |
|---|---|---|---|---|
| Jul 7, 6:13 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 32 min |
| Jul 7, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 53 min |
| Jul 7, 6:25 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 65 min |
| Jul 7, 6:29 PM MDT | Special Weather Statement | TFX | Gallatin | 46 min |
| Jul 7, 6:30 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 32 min |
| Jul 7, 6:36 PM MDT | Special Weather Statement | TFX | Fergus | 54 min |
| Jul 7, 6:38 PM MDT | Special Weather Statement | TFX | Teton | 52 min |
| Jul 7, 6:48 PM MDT | Special Weather Statement | TFX | Musselshell | 42 min |
| Jul 7, 6:56 PM MDT | Special Weather Statement | TFX | Fergus | 49 min |
| Jul 7, 7:01 PM MDT | Special Weather Statement | TFX | Hill | 44 min |
| Jul 7, 7:08 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 31 min |
| Jul 7, 7:09 PM MDT | Special Weather Statement | TFX | Hill | 36 min |
| Jul 7, 7:26 PM MDT | Special Weather Statement | TFX | Fergus | 64 min |
| Jul 7, 7:31 PM MDT | Special Weather Statement | TFX | Blaine | 59 min |
| Jul 7, 7:35 PM MDT | Special Weather Statement | TFX | Cascade | 40 min |
| Jul 7, 7:38 PM MDT | Special Weather Statement | TFX | Pondera | 52 min |
| Jul 7, 7:40 PM MDT | Special Weather Statement | TFX | Chouteau | 35 min |
| Jul 7, 7:41 PM MDT | Special Weather Statement | TFX | 49 min | |
| Jul 7, 7:48 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 25 min |
| Jul 7, 8:00 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 45 min |
| Jul 7, 8:11 PM MDT | Special Weather Statement | TFX | Cascade | 49 min |
| Jul 7, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 45 min |
| Jul 7, 8:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 28 min |
| Jul 7, 8:24 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 51 min |
| Jul 7, 8:31 PM MDT | Special Weather Statement | TFX | Teton | 29 min |
| Jul 7, 8:40 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 23 min |
| Jul 7, 8:49 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 25 min |
| Jul 7, 8:57 PM MDT | Special Weather Statement | TFX | 33 min | |
| Jul 7, 9:02 PM MDT | Special Weather Statement | TFX | 28 min | |
| Jul 7, 9:09 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Fergus, Judith Basin | 51 min |
| Jul 7, 9:22 PM MDT | Special Weather Statement | TFX | Blaine | 38 min |
| Jul 7, 9:26 PM MDT | Special Weather Statement | TFX | Chouteau | 34 min |
| Jul 7, 9:57 PM MDT | Areal Flood Advisory | TFX | Blaine | 3 hr |
| Jul 8, 1:59 PM MDT | Special Weather Statement | TFX | Beaverhead | 46 min |
| Jul 8, 2:41 PM MDT | Special Weather Statement | TFX | Beaverhead | 34 min |
| Jul 8, 2:47 PM MDT | Special Weather Statement | TFX | Glacier | 43 min |
| Jul 8, 2:48 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 19 min |
| Jul 8, 2:50 PM MDT | Special Weather Statement | TFX | Beaverhead | 40 min |
| Jul 8, 3:16 PM MDT | Special Weather Statement | TFX | Madison | 44 min |
| Jul 8, 3:25 PM MDT | Special Weather Statement | TFX | Toole | 35 min |
| Jul 8, 3:57 PM MDT | Special Weather Statement | TFX | Toole | 33 min |
| Jul 8, 4:08 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 22 min |
| Jul 8, 4:13 PM MDT | Special Weather Statement | TFX | Jefferson | 47 min |
| Jul 8, 4:14 PM MDT | Special Weather Statement | TFX | Madison | 46 min |
| Jul 8, 4:16 PM MDT | Special Weather Statement | TFX | Cascade | 44 min |
| Jul 8, 4:36 PM MDT | Special Weather Statement | TFX | Gallatin | 54 min |
| Jul 8, 4:43 PM MDT | Special Weather Statement | TFX | Broadwater | 32 min |
| Jul 8, 4:44 PM MDT | Special Weather Statement | TFX | Toole | 31 min |
| Jul 8, 4:47 PM MDT | Special Weather Statement | TFX | Pondera | 28 min |
| Jul 8, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 51 min |
| Jul 8, 5:01 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 14 min |
| Jul 8, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 43 min |
| Jul 8, 5:22 PM MDT | Special Weather Statement | TFX | Meagher | 38 min |
| Jul 8, 5:22 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 38 min |
| Jul 8, 5:41 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 34 min |
| Jul 8, 5:42 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 33 min |
| Jul 8, 5:49 PM MDT | Special Weather Statement | TFX | Cascade | 41 min |
| Jul 8, 5:50 PM MDT | Special Weather Statement | TFX | Pondera | 25 min |
| Jul 8, 5:56 PM MDT | Severe Thunderstorm Warning | 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.