Alert archive / Montana / Severe Thunderstorm Warnings / 2017
Severe Thunderstorm Warnings in Montana, July 2017
43 severe thunderstorm warnings in July 2017. 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 July 2017. Tap one for its archive.
- Severe Thunderstorm Warnings
- 43
- Busiest day
- July 10, 201713 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 6, 5:07 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 38 min |
| Jul 6, 5:43 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Musselshell, Rosebud, Treasure, Yellowstone | 62 min |
| Jul 9, 4:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Musselshell, Stillwater, Yellowstone | 55 min |
| Jul 9, 6:38 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 37 min |
| Jul 10, 3:08 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Madison | 37 min |
| Jul 10, 3:12 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 33 min |
| Jul 10, 3:16 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 29 min |
| Jul 10, 4:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 32 min |
| Jul 10, 4:16 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Powell, Silver Bow | 29 min |
| Jul 10, 4:22 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 23 min |
| Jul 10, 4:40 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 20 min |
| Jul 10, 4:43 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Garfield, McCone, Phillips, Roosevelt, Valley | 47 min |
| Jul 10, 4:52 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 23 min |
| Jul 10, 5:32 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Dawson, McCone, Roosevelt, Valley | 28 min |
| Jul 10, 5:41 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 49 min |
| Jul 10, 5:56 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan and 1 more | 42 min |
| Jul 10, 6:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 73 min |
| Jul 10, 6:44 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 31 min |
| Jul 10, 7:32 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 35 min |
| Jul 11, 12:13 AM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 47 min |
| Jul 11, 1:00 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 45 min |
| Jul 11, 6:50 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 55 min |
| Jul 11, 5:03 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 57 min |
| Jul 11, 5:38 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 67 min |
| Jul 11, 6:22 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Phillips, Valley | 53 min |
| Jul 11, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone | 54 min |
| Jul 11, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 44 min |
| Jul 15, 4:27 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 33 min |
| Jul 15, 4:59 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 46 min |
| Jul 16, 2:12 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 48 min |
| Jul 16, 2:58 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Sweet Grass, Yellowstone | 62 min |
| Jul 16, 5:03 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 27 min |
| Jul 16, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 49 min |
| Jul 18, 4:36 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 54 min |
| Jul 18, 5:24 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 66 min |
| Jul 19, 4:04 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 26 min |
| Jul 19, 5:44 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Prairie | 34 min |
| Jul 19, 6:08 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 52 min |
| Jul 20, 2:14 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 19 min |
| Jul 27, 6:30 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 60 min |
| Jul 28, 6:38 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 30 min |
| Jul 28, 7:03 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 28 min |
| Jul 29, 6:08 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 52 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County9
- McCone County7
- Dawson County7
- Phillips County6
- Yellowstone County5
- Garfield County4
- Daniels County4
- Roosevelt County4
- Richland County4
- Sheridan County4
- Stillwater County3
- Jefferson County3
- Silver Bow County3
- Custer County3
- Carter County3
- Prairie County3
- Wibaux County3
- Big Horn County2
- Musselshell County2
- Rosebud County2
- Carbon County2
- Lewis and Clark County2
- Madison County2
- Blaine County2
- Missoula County2
- Ravalli County2
- Treasure County1
- Broadwater County1
- Beaverhead County1
- Deer Lodge County1
- Powell County1
- Fallon County1
- Hill County1
- Sweet Grass County1
- Powder River County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.