Alert archive / Montana / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 150, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Aug 23, 2022, 9:34 PM MDT for Glacier County, Pondera County, Montana. It was in force for 41 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 23, 2022, 9:34 PM MDT (03:34 UTC)
- Expired
- Aug 23, 2022, 10:15 PM MDT
- In force
- 41 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Glacier County, MT, Pondera County, MT
The radar
The Great Falls radar (KTFX), 144 km from the middle of the area, began a volume at 03:36 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.
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 23, 8:53 PM MDT, 41 minutes earlier.
Area forecast discussion, Aug 23, 8:53 PM MDT, 41 minutes before
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Special weather statement, Aug 23, 7:25 PM MDT, 2 hours 9 minutes before
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</html>Special weather statement, Aug 23, 7:42 PM MDT, 1 hour 52 minutes before
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</html>Special weather statement, Aug 23, 8:24 PM MDT, 1 hour 10 minutes before
Special Weather Statement
National Weather Service Great Falls MT
824 PM MDT Tue Aug 23 2022
MTZ009-010-240330-
Northern Rocky Mountain Front MT-Eastern Glacier MT-
824 PM MDT Tue Aug 23 2022
...A strong thunderstorm will impact portions of northeastern Glacier
County through 930 PM MDT...
At 824 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles north of North Browning, or 28 miles west of Cut Bank, moving
east at 15 mph.
HAZARD...Winds in excess of 30 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This storm will remain over mainly rural areas of northeastern
Glacier County.
This includes Highway 2 between mile markers 238 and 244.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4869 11311 4883 11311 4890 11254 4859 11255
TIME...MOT...LOC 0224Z 274DEG 11KT 4875 11294
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...30 MPH
CMCSpecial weather statement, Aug 23, 8:53 PM MDT, 41 minutes before
Special Weather Statement National Weather Service Great Falls MT 853 PM MDT Tue Aug 23 2022 MTZ009-010-046-240330- Northern Rocky Mountain Front MT-Eastern Glacier MT- Eastern Pondera MT- 853 PM MDT Tue Aug 23 2022 ...A strong thunderstorm will impact portions of northwestern Pondera and southeastern Glacier Counties through 930 PM MDT... At 853 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles east of South Browning, or 23 miles west of Cut Bank, moving east at 10 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. This storm will remain over mainly rural areas of northwestern Pondera and southeastern Glacier Counties. This includes the following highways... Highway 2 between mile markers 228 and 233. Highway 89 between mile markers 97 and 106. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4848 11290 4859 11291 4862 11257 4840 11257 TIME...MOT...LOC 0253Z 277DEG 11KT 4853 11282 MAX HAIL SIZE...0.50 IN MAX WIND GUST...<30 MPH CMC
Special weather statement, Aug 23, 9:27 PM MDT, 7 minutes before
Special Weather Statement
National Weather Service Great Falls MT
927 PM MDT Tue Aug 23 2022
MTZ009-010-046-240400-
Northern Rocky Mountain Front MT-Eastern Glacier MT-
Eastern Pondera MT-
927 PM MDT Tue Aug 23 2022
...A strong thunderstorm will impact portions of north central
Pondera and southeastern Glacier Counties through 1000 PM MDT...
At 927 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles northeast of Heart Butte, or 19 miles southwest of Cut Bank,
moving east at 10 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This storm will remain over mainly rural areas of north central
Pondera and southeastern Glacier Counties.
This includes Highway 89 between mile markers 85 and 98.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4834 11274 4852 11275 4857 11236 4830 11235
TIME...MOT...LOC 0327Z 268DEG 10KT 4843 11264
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
MoldanThe office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 6:43 PM MDT | Special Weather Statement | TFX | Toole | 62 min |
| Aug 23, 6:49 PM MDT | Special Weather Statement | TFX | Glacier | 56 min |
| Aug 23, 7:25 PM MDT | Special Weather Statement | TFX | Toole | 50 min |
| Aug 23, 7:42 PM MDT | Special Weather Statement | TFX | Toole | 48 min |
| Aug 23, 7:53 PM MDT | Special Weather Statement | TFX | Glacier | 52 min |
| Aug 23, 8:24 PM MDT | Special Weather Statement | TFX | Glacier | 66 min |
| Aug 23, 8:35 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 25 min |
| Aug 23, 8:53 PM MDT | Special Weather Statement | TFX | Glacier | 37 min |
| Aug 23, 9:27 PM MDT | Special Weather Statement | TFX | Pondera | 33 min |
| Aug 23, 9:39 PM MDT | Areal Flood Advisory | TFX | Glacier, Pondera | 2 hr |
| Aug 23, 10:19 PM MDT | Special Weather Statement | TFX | Pondera | 41 min |
| Aug 23, 11:15 PM MDT | Areal Flood Advisory | TFX | Pondera | 3 hr |
| Aug 23, 11:20 PM MDT | Areal Flood Advisory | TFX | Glacier, Pondera, Toole | 3 hr |
| Aug 24, 1:12 AM MDT | Areal Flood Advisory | TFX | Cascade, Lewis and Clark, Teton | 3 hr |
| Aug 24, 1:48 AM MDT | Areal Flood Advisory | TFX | Cascade | 3 hr |
| Aug 24, 2:02 AM MDT | Flood Watch | TFX | 46 hr | |
| Aug 24, 3:18 AM MDT | Special Weather Statement | TFX | Chouteau | 42 min |
| Aug 24, 6:49 AM MDT | Special Weather Statement | TFX | Cascade | 56 min |
| Aug 24, 4:15 PM MDT | Special Weather Statement | TFX | Beaverhead | 45 min |
| Aug 24, 5:03 PM MDT | Areal Flood Advisory | TFX | Toole | 117 min |
| Aug 24, 5:15 PM MDT | Special Weather Statement | TFX | Deer Lodge | 45 min |
| Aug 24, 5:16 PM MDT | Special Weather Statement | TFX | Beaverhead | 44 min |
| Aug 24, 5:37 PM MDT | Special Weather Statement | TFX | Deer Lodge | 53 min |
| Aug 24, 5:41 PM MDT | Special Weather Statement | TFX | Silver Bow | 49 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; radar from the NEXRAD Level II archive.