Weather alerts in Montana, 1987
36 weather alerts in 1987, 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 1987. Tap one for its archive.
- Alerts
- 36
- Warnings
- 36
- Watches
- 0
- Advisories
- 0
- Busiest month
- July21 alerts
- Busiest day
- June 15, 19877 alerts
Over time
By month
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 |
|---|---|---|---|---|
| May 15, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 60 min |
| May 26, 8:32 PM MDT | Flash Flood Warning | BYZ | Custer, Rosebud | 3 hr |
| Jun 9, 7:10 PM MDT | Flash Flood Warning | BYZ | Wheatland | 110 min |
| Jun 15, 3:44 PM MDT | Severe Thunderstorm Warning | MSO | Jefferson, Madison, Silver Bow | 61 min |
| Jun 15, 3:46 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 59 min |
| Jun 15, 4:19 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 116 min |
| Jun 15, 4:19 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 116 min |
| Jun 15, 4:23 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 67 min |
| Jun 15, 4:34 PM MDT | Severe Thunderstorm Warning | MSO | Jefferson, Lewis and Clark, Powell | 116 min |
| Jun 15, 5:20 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 100 min |
| Jun 15, 7:14 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 61 min |
| Jun 18, 5:20 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater | 55 min |
| Jun 18, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 68 min |
| Jun 19, 12:13 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 62 min |
| Jul 1, 10:06 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 39 min |
| Jul 2, 7:19 PM MDT | Flash Flood Warning | MSO | Meagher | 116 min |
| Jul 3, 2:57 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 63 min |
| Jul 3, 4:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Powder River | 58 min |
| Jul 5, 5:23 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 67 min |
| Jul 5, 6:09 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 51 min |
| Jul 15, 10:00 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 45 min |
| Jul 22, 4:07 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 83 min |
| Jul 22, 5:35 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 85 min |
| Jul 24, 9:52 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 68 min |
| Jul 25, 7:22 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 68 min |
| Jul 25, 9:15 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 60 min |
| Jul 26, 9:21 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 54 min |
| Jul 27, 2:48 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 72 min |
| Jul 27, 4:34 PM MDT | Tornado Warning | BYZ | Musselshell | 56 min |
| Jul 28, 7:35 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| Jul 29, 6:51 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 54 min |
| Jul 29, 7:33 PM MDT | Flash Flood Warning | TFX | Chouteau, Teton | 3 hr |
| Jul 29, 7:40 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 110 min |
| Jul 29, 10:21 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 69 min |
| Jul 31, 4:19 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 86 min |
| Sep 2, 10:25 PM MDT | Tornado Warning | GGW | Richland | 60 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 | 30 |
| Tornado Warning | 2 |
| Flooding | |
| Flash Flood Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Teton County5
- Golden Valley County4
- Powder River County4
- Musselshell County4
- Custer County3
- Cascade County3
- Rosebud County2
- Wheatland County2
- Jefferson County2
- Stillwater County2
- Chouteau County2
- Fallon County1
- Madison County1
- Silver Bow County1
- Fergus County1
- Missoula County1
- Ravalli County1
- Mineral County1
- Lewis and Clark County1
- Powell County1
- Judith Basin County1
- Glacier County1
- Meagher County1
- Carter County1
- Yellowstone County1
- Roosevelt County1
- Toole County1
- Hill County1
- Pondera County1
- Garfield County1
- McCone County1
- Valley County1
- Richland County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19861988
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.