Alert archive / Montana / Severe Thunderstorm Warnings / 2003
Severe Thunderstorm Warnings in Montana, August 2003
78 severe thunderstorm warnings in August 2003. 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 2003. Tap one for its archive.
- Severe Thunderstorm Warnings
- 78
- Busiest day
- August 7, 200325 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 |
|---|---|---|---|---|
| Jul 31, 6:55 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 65 min |
| Aug 5, 5:38 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 22 min |
| Aug 5, 5:48 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 42 min |
| Aug 5, 5:59 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 61 min |
| Aug 5, 6:06 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 39 min |
| Aug 5, 6:17 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 28 min |
| Aug 5, 6:39 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 36 min |
| Aug 6, 3:45 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 60 min |
| Aug 6, 3:49 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 26 min |
| Aug 6, 4:23 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 52 min |
| Aug 6, 4:27 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 48 min |
| Aug 6, 4:34 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 56 min |
| Aug 6, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 45 min |
| Aug 6, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 36 min |
| Aug 6, 5:06 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 39 min |
| Aug 6, 5:09 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 51 min |
| Aug 6, 5:21 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 54 min |
| Aug 6, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 25 min |
| Aug 6, 5:44 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 46 min |
| Aug 6, 5:45 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 30 min |
| Aug 6, 6:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Aug 6, 6:03 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 42 min |
| Aug 6, 6:10 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 50 min |
| Aug 6, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Aug 6, 7:00 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 45 min |
| Aug 6, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 47 min |
| Aug 6, 7:16 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Aug 6, 7:26 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 64 min |
| Aug 6, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips, Valley | 63 min |
| Aug 6, 8:20 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| Aug 6, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 60 min |
| Aug 6, 9:18 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Aug 6, 9:29 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Aug 6, 10:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Aug 6, 11:20 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 55 min |
| Aug 6, 11:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 52 min |
| Aug 7, 12:15 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 60 min |
| Aug 7, 12:53 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 67 min |
| Aug 7, 1:25 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 65 min |
| Aug 7, 2:50 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 55 min |
| Aug 7, 3:52 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 38 min |
| Aug 7, 4:35 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 55 min |
| Aug 7, 5:31 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 59 min |
| Aug 7, 5:43 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Aug 7, 5:48 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 57 min |
| Aug 7, 6:47 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Aug 7, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Aug 7, 7:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 65 min |
| Aug 7, 8:48 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 27 min |
| Aug 7, 8:52 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 23 min |
| Aug 7, 11:39 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 51 min |
| Aug 8, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 30 min |
| Aug 8, 5:26 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 49 min |
| Aug 8, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 32 min |
| Aug 8, 5:43 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 62 min |
| Aug 8, 7:20 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 40 min |
| Aug 8, 9:06 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 39 min |
| Aug 8, 9:16 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 59 min |
| Aug 8, 9:53 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 52 min |
| Aug 8, 10:45 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 60 min |
| Aug 8, 10:46 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 29 min |
| Aug 8, 11:32 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 28 min |
| Aug 9, 10:42 AM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 63 min |
| Aug 9, 11:53 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 52 min |
| Aug 9, 2:05 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 55 min |
| Aug 9, 3:00 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 60 min |
| Aug 11, 4:33 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 57 min |
| Aug 11, 7:23 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 22 min |
| Aug 11, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 58 min |
| Aug 11, 11:22 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 53 min |
| Aug 12, 6:29 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 61 min |
| Aug 12, 7:25 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 50 min |
| Aug 12, 8:02 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 43 min |
| Aug 12, 8:47 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 58 min |
| Aug 12, 9:03 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 42 min |
| Aug 22, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 44 min |
| Aug 22, 5:25 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 35 min |
| Aug 22, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 53 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Garfield County9
- Phillips County8
- Valley County7
- Lewis and Clark County6
- Powell County5
- Fergus County5
- Blaine County4
- Chouteau County4
- Musselshell County3
- Missoula County3
- Cascade County3
- Petroleum County3
- Ravalli County2
- Mineral County2
- Golden Valley County2
- Dawson County2
- Rosebud County2
- Liberty County2
- Teton County2
- Sheridan County2
- Powder River County2
- Lake County1
- Madison County1
- Jefferson County1
- Flathead County1
- Granite County1
- Wheatland County1
- Sanders County1
- McCone County1
- Richland County1
- Wibaux County1
- Fallon County1
- Toole County1
- Sweet Grass County1
- Custer County1
- Treasure County1
- Hill County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.