Alert archive / Montana / 1987
Weather alerts in Montana, July 1987
21 weather alerts in July 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 July 1987. Tap one for its archive.
- Alerts
- 21
- Warnings
- 21
- Watches
- 0
- Advisories
- 0
- Busiest day
- July 30, 19874 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 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 |
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 | 18 |
| Tornado Warning | 1 |
| Flooding | |
| Flash Flood Warning | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Powder River County4
- Musselshell County4
- Custer County2
- Golden Valley County2
- Chouteau County2
- Teton County2
- Glacier County1
- Meagher County1
- Rosebud County1
- Carter County1
- Stillwater County1
- Yellowstone County1
- Roosevelt County1
- Cascade County1
- Toole County1
- Hill County1
- Pondera County1
- Garfield County1
- McCone County1
- Valley County1
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.