Alert archive / Montana / Severe Thunderstorm Warnings / 1997
Severe Thunderstorm Warnings in Montana, August 1997
100 severe thunderstorm warnings in August 1997. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 100
- Busiest day
- August 7, 199717 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:20 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 40 min |
| Aug 2, 3:01 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead | 29 min |
| Aug 2, 3:28 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead | 47 min |
| Aug 2, 3:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 35 min |
| Aug 2, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 33 min |
| Aug 2, 5:59 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 46 min |
| Aug 2, 6:21 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 69 min |
| Aug 2, 6:51 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 39 min |
| Aug 2, 7:05 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 55 min |
| Aug 2, 7:15 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Aug 2, 7:39 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt | 66 min |
| Aug 2, 8:37 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 53 min |
| Aug 2, 9:04 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 56 min |
| Aug 2, 9:47 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 43 min |
| Aug 2, 9:58 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 47 min |
| Aug 4, 6:15 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 60 min |
| Aug 4, 7:25 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 50 min |
| Aug 5, 3:52 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 53 min |
| Aug 5, 4:00 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Aug 5, 5:10 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 60 min |
| Aug 5, 9:00 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Powell | 60 min |
| Aug 7, 1:35 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 40 min |
| Aug 7, 1:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 49 min |
| Aug 7, 2:00 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 60 min |
| Aug 7, 2:15 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 60 min |
| Aug 7, 2:20 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 55 min |
| Aug 7, 3:00 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 60 min |
| Aug 7, 3:30 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead, Deer Lodge, Ravalli | 30 min |
| Aug 7, 3:55 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 35 min |
| Aug 7, 4:00 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 45 min |
| Aug 7, 4:09 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 36 min |
| Aug 7, 4:30 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 45 min |
| Aug 7, 4:34 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 56 min |
| Aug 7, 4:43 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 47 min |
| Aug 7, 4:46 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 59 min |
| Aug 7, 5:16 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead | 59 min |
| Aug 7, 5:35 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Powell | 55 min |
| Aug 7, 5:35 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 55 min |
| Aug 7, 6:09 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Toole | 66 min |
| Aug 7, 6:09 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 66 min |
| Aug 7, 6:15 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Powell | 60 min |
| Aug 7, 6:42 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 63 min |
| Aug 7, 6:57 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 63 min |
| Aug 7, 7:15 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 45 min |
| Aug 7, 7:38 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 52 min |
| Aug 7, 8:00 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 45 min |
| Aug 7, 8:44 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 46 min |
| Aug 7, 9:00 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 60 min |
| Aug 8, 2:10 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 65 min |
| Aug 8, 4:51 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 8, 5:59 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 46 min |
| Aug 8, 8:17 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 43 min |
| Aug 8, 9:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 20 min |
| Aug 14, 8:57 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Aug 14, 9:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Aug 15, 3:57 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 48 min |
| Aug 17, 11:31 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 18, 12:39 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 61 min |
| Aug 18, 1:40 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 60 min |
| Aug 18, 6:36 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 49 min |
| Aug 18, 7:16 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 64 min |
| Aug 18, 7:35 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 60 min |
| Aug 18, 8:47 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 63 min |
| Aug 20, 5:52 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 68 min |
| Aug 20, 7:23 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 67 min |
| Aug 23, 4:03 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead | 27 min |
| Aug 26, 7:11 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 64 min |
| Aug 26, 8:00 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Granite | 45 min |
| Aug 27, 12:36 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 69 min |
| Aug 27, 2:40 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 65 min |
| Aug 27, 3:38 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt | 67 min |
| Aug 27, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 63 min |
| Aug 27, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Aug 27, 4:45 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt | 60 min |
| Aug 27, 5:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Aug 27, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 55 min |
| Aug 27, 6:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Aug 27, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 60 min |
| Aug 27, 6:22 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 63 min |
| Aug 27, 6:56 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 64 min |
| Aug 27, 7:15 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 60 min |
| Aug 27, 7:45 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Aug 27, 7:55 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Aug 27, 8:43 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 47 min |
| Aug 27, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 65 min |
| Aug 27, 9:37 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 63 min |
| Aug 27, 10:36 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 69 min |
| Aug 27, 11:49 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 61 min |
| Aug 28, 12:53 AM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 47 min |
| Aug 28, 6:50 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 40 min |
| Aug 28, 8:06 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 54 min |
| Aug 28, 9:40 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 50 min |
| Aug 28, 9:52 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 68 min |
| Aug 28, 10:48 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 57 min |
| Aug 28, 11:02 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 58 min |
| Aug 29, 12:01 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Aug 29, 12:43 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 62 min |
| Aug 29, 1:00 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 60 min |
| Aug 29, 1:13 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 62 min |
| Aug 29, 2:06 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 69 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Roosevelt County8
- Powell County8
- Flathead County7
- Valley County6
- Missoula County6
- Beaverhead County5
- Daniels County5
- Cascade County5
- Granite County5
- McCone County4
- Carter County4
- Phillips County4
- Big Horn County3
- Yellowstone County3
- Chouteau County3
- Lake County3
- Sheridan County3
- Fergus County3
- Judith Basin County3
- Stillwater County2
- Petroleum County2
- Richland County2
- Deer Lodge County2
- Pondera County2
- Sanders County2
- Teton County2
- Meagher County2
- Park County2
- Powder River County2
- Sweet Grass County2
- Dawson County2
- Fallon County2
- Gallatin County1
- Rosebud County1
- Ravalli County1
- Liberty County1
- Toole County1
- Lewis and Clark County1
- Wheatland County1
- Hill County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.