Alert archive / Montana / 1990
Weather alerts in Montana, August 1990
26 weather alerts in August 1990, 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 1990. Tap one for its archive.
- Alerts
- 26
- Warnings
- 26
- Watches
- 0
- Advisories
- 0
- Busiest day
- August 20, 199015 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, 6:57 PM MDT | Flash Flood Warning | MSO | Madison | 63 min |
| Aug 19, 5:56 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 64 min |
| Aug 19, 7:55 PM MDT | Flash Flood Warning | MSO | Lewis and Clark | 2 hr |
| Aug 19, 8:36 PM MDT | Flash Flood Warning | TFX | Fergus, Judith Basin | 2 hr |
| Aug 19, 8:36 PM MDT | Flash Flood Warning | TFX | Teton | 2 hr |
| Aug 19, 8:36 PM MDT | Flash Flood Warning | TFX | Cascade | 69 min |
| Aug 19, 8:50 PM MDT | Flash Flood Warning | BYZ | Golden Valley, Musselshell, Wheatland | 115 min |
| Aug 19, 10:54 PM MDT | Flash Flood Warning | BYZ | Musselshell, Yellowstone | 111 min |
| Aug 20, 12:53 AM MDT | Flash Flood Warning | BYZ | Golden Valley, Musselshell | 2 hr |
| Aug 20, 3:49 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 56 min |
| Aug 20, 4:27 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 63 min |
| Aug 20, 4:30 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 60 min |
| Aug 20, 4:47 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Yellowstone | 58 min |
| Aug 20, 4:47 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 58 min |
| Aug 20, 5:12 PM MDT | Tornado Warning | BYZ | Yellowstone | 33 min |
| Aug 20, 5:13 PM MDT | Flash Flood Warning | TFX | Cascade, Chouteau, Judith Basin | 62 min |
| Aug 20, 5:42 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 63 min |
| Aug 20, 6:43 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 62 min |
| Aug 20, 11:10 PM MDT | Severe Thunderstorm Warning | MSO | Lewis and Clark | 35 min |
| Aug 20, 11:20 PM MDT | Severe Thunderstorm Warning | MSO | Lewis and Clark | 25 min |
| Aug 20, 11:52 PM MDT | Flash Flood Warning | MSO | Lewis and Clark | 2 hr |
| Aug 21, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Dawson | 68 min |
| Aug 21, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 68 min |
| Aug 24, 7:42 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 63 min |
| Aug 25, 4:40 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 65 min |
| Aug 26, 2:07 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland | 2 hr |
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 | 15 |
| Tornado Warning | 1 |
| Flooding | |
| Flash Flood Warning | 10 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lewis and Clark County4
- Cascade County4
- Musselshell County4
- Golden Valley County3
- Yellowstone County3
- Judith Basin County2
- Wheatland County2
- Stillwater County2
- Sweet Grass County2
- Madison County1
- Big Horn County1
- Powder River County1
- Rosebud County1
- Fergus County1
- Teton County1
- Chouteau County1
- Flathead County1
- Lincoln County1
- Dawson County1
- Fallon County1
- McCone County1
- Richland County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19891991
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.