Alert archive / Montana / 1998
Weather alerts in Montana, August 1998
102 weather alerts in August 1998, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in August 1998. Tap one for its archive.
- Alerts
- 102
- Warnings
- 101
- Watches
- 1
- Advisories
- 0
- Busiest day
- August 7, 199818 alerts
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, 6:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 65 min |
| Jul 31, 6:25 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 60 min |
| Jul 31, 7:05 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 60 min |
| Jul 31, 8:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 60 min |
| Aug 1, 2:33 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 47 min |
| Aug 1, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Dawson, Garfield, McCone, Richland, Roosevelt and 2 more | 6 hr |
| Aug 1, 5:18 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Aug 1, 5:45 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 60 min |
| Aug 1, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 61 min |
| Aug 1, 6:14 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 31 min |
| Aug 1, 6:35 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 65 min |
| Aug 1, 7:41 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 64 min |
| Aug 1, 7:57 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 63 min |
| Aug 7, 12:15 AM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 60 min |
| Aug 7, 2:33 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 47 min |
| Aug 7, 2:42 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 63 min |
| Aug 7, 3:29 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 61 min |
| Aug 7, 3:43 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 47 min |
| Aug 7, 3:54 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 46 min |
| Aug 7, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 35 min |
| Aug 7, 4:19 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 51 min |
| Aug 7, 4:31 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 34 min |
| Aug 7, 4:33 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure, Yellowstone | 62 min |
| Aug 7, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 45 min |
| Aug 7, 4:51 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 49 min |
| Aug 7, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 48 min |
| Aug 7, 5:19 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 36 min |
| Aug 7, 5:25 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 50 min |
| Aug 7, 5:39 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 51 min |
| Aug 7, 5:39 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 51 min |
| Aug 7, 5:48 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 42 min |
| Aug 9, 5:06 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 59 min |
| Aug 10, 1:30 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Aug 10, 1:42 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 63 min |
| Aug 10, 2:02 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 63 min |
| Aug 10, 2:07 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Aug 10, 3:04 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| Aug 10, 3:07 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 63 min |
| Aug 10, 3:11 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 64 min |
| Aug 10, 3:43 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 62 min |
| Aug 10, 3:46 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 64 min |
| Aug 10, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Aug 13, 6:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 60 min |
| Aug 14, 3:09 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 61 min |
| Aug 14, 5:13 PM MDT | Tornado Warning | TFX | Judith Basin | 47 min |
| Aug 14, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 61 min |
| Aug 14, 7:29 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 66 min |
| Aug 14, 11:44 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 61 min |
| Aug 15, 12:49 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 66 min |
| Aug 15, 3:42 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 33 min |
| Aug 15, 4:12 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 63 min |
| Aug 16, 5:57 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 68 min |
| Aug 16, 7:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Aug 16, 8:21 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 49 min |
| Aug 17, 8:41 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 64 min |
| Aug 17, 10:12 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 63 min |
| Aug 20, 3:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Aug 20, 4:16 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 64 min |
| Aug 20, 5:32 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 63 min |
| Aug 20, 6:08 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 32 min |
| Aug 20, 6:25 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 60 min |
| Aug 20, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 66 min |
| Aug 20, 7:58 PM MDT | Flash Flood Warning | BYZ | Big Horn | 6 hr |
| Aug 20, 8:21 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 20, 8:48 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 62 min |
| Aug 20, 10:19 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 61 min |
| Aug 21, 4:23 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 47 min |
| Aug 21, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 60 min |
| Aug 21, 7:32 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 58 min |
| Aug 21, 7:40 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 30 min |
| Aug 22, 1:09 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Valley | 61 min |
| Aug 22, 1:37 AM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 58 min |
| Aug 22, 3:33 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 62 min |
| Aug 22, 4:03 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Aug 22, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 65 min |
| Aug 22, 5:05 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 60 min |
| Aug 22, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 64 min |
| Aug 22, 5:39 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 46 min |
| Aug 22, 6:01 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Aug 22, 6:39 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 61 min |
| Aug 22, 6:46 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 64 min |
| Aug 22, 6:58 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 62 min |
| Aug 22, 7:07 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 33 min |
| Aug 23, 4:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 58 min |
| Aug 23, 5:01 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 59 min |
| Aug 23, 5:08 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 62 min |
| Aug 23, 8:19 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 61 min |
| Aug 23, 9:01 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 64 min |
| Aug 23, 9:21 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 64 min |
| Aug 23, 9:41 PM MDT | Tornado Warning | BYZ | Treasure, Yellowstone | 34 min |
| Aug 23, 10:00 PM MDT | Tornado Warning | BYZ | Treasure | 35 min |
| Aug 23, 10:20 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 65 min |
| Aug 23, 10:30 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 60 min |
| Aug 23, 10:56 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 64 min |
| Aug 23, 10:58 PM MDT | Tornado Warning | BYZ | Rosebud | 32 min |
| Aug 23, 11:05 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Aug 23, 11:55 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 65 min |
| Aug 24, 12:07 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer | 63 min |
| Aug 26, 4:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 61 min |
| Aug 26, 6:58 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Aug 26, 7:01 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 64 min |
| Aug 26, 8:05 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 50 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 96 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Flooding | |
| Flash Flood Warning | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rosebud County8
- Big Horn County7
- Richland County7
- Carter County7
- Yellowstone County7
- Powder River County6
- Custer County6
- McCone County6
- Treasure County6
- Dawson County5
- Roosevelt County5
- Valley County5
- Daniels County4
- Sheridan County4
- Blaine County4
- Musselshell County4
- Cascade County4
- Chouteau County4
- Missoula County3
- Fallon County3
- Phillips County2
- Powell County2
- Broadwater County2
- Jefferson County2
- Lewis and Clark County2
- Teton County2
- Pondera County2
- Toole County2
- Liberty County2
- Judith Basin County2
- Fergus County2
- Sanders County2
- Garfield County1
- Ravalli County1
- Deer Lodge County1
- Golden Valley County1
- Meagher County1
- Wheatland County1
- Stillwater County1
- Mineral County1
3 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive19971999
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. Rebuilt daily.