Alert archive / Montana / Yellowstone County
Weather alerts in Yellowstone County, Montana, 2001
69 weather alerts in 2001, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Yellowstone County and its neighbors
Each county as a circle sized by its count in 2001. Tap one for its archive.
- Alerts
- 69
- Warnings
- 48
- Watches
- 21
- Advisories
- 0
- Busiest month
- July42 alerts
- Busiest day
- July 14, 20019 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 | Lasted |
|---|---|---|---|
| Apr 30, 10:48 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| May 29, 2:18 PM MDT | Severe Thunderstorm Warning | BYZ | 27 min |
| Jun 8, 7:12 PM MDT | Severe Thunderstorm Warning | BYZ | 48 min |
| Jun 8, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Jun 8, 8:15 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 8:36 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Jun 9, 11:45 AM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 11:55 PM MDT | Severe Thunderstorm Warning | BYZ | 65 min |
| Jun 23, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | 58 min |
| Jun 23, 6:57 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Jun 26, 5:00 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 26, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Jun 26, 7:53 PM MDT | Tornado Warning | BYZ | 37 min |
| Jun 26, 8:25 PM MDT | Tornado Warning | BYZ | 35 min |
| Jun 26, 9:00 PM MDT | Tornado Warning | BYZ | 45 min |
| Jun 26, 9:10 PM MDT | Flash Flood Warning | BYZ | 2 hr |
| Jun 26, 9:45 PM MDT | Tornado Warning | BYZ | 45 min |
| Jun 26, 9:58 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Jun 26, 11:17 PM MDT | Flash Flood Warning | BYZ | 58 min |
| Jun 28, 4:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 28, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| Jun 28, 9:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 28, 9:41 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jun 29, 6:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 11:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 1, 7:00 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 2, 7:11 AM MDT | Severe Thunderstorm Warning | BYZ | 49 min |
| Jul 13, 1:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 6:00 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 13, 6:54 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jul 13, 7:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 13, 8:00 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 13, 9:25 PM MDT | Severe Thunderstorm Warning | BYZ | 65 min |
| Jul 14, 4:14 PM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jul 14, 4:56 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jul 14, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 14, 5:56 PM MDT | Severe Thunderstorm Warning | BYZ | 34 min |
| Jul 14, 7:00 PM MDT | Flash Flood Warning | BYZ | 2 hr |
| Jul 15, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 16, 5:23 PM MDT | Severe Thunderstorm Warning | BYZ | 52 min |
| Jul 17, 4:30 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 17, 4:54 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jul 17, 5:29 PM MDT | Flash Flood Warning | BYZ | 2 hr |
| Jul 18, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 19, 6:40 PM MDT | Severe Thunderstorm Warning | BYZ | 35 min |
| Jul 19, 7:15 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 19, 7:15 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 19, 7:42 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Jul 21, 6:30 PM MDT | Tornado Watch | SPC | 6 hr |
| Jul 21, 10:32 PM MDT | Severe Thunderstorm Warning | BYZ | 58 min |
| Jul 21, 11:25 PM MDT | Flash Flood Warning | BYZ | 2 hr |
| Jul 21, 11:32 PM MDT | Severe Thunderstorm Warning | BYZ | 58 min |
| Jul 22, 12:07 AM MDT | Severe Thunderstorm Warning | BYZ | 53 min |
| Jul 22, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 23, 6:49 PM MDT | Severe Thunderstorm Warning | BYZ | 56 min |
| Jul 23, 8:30 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 23, 9:56 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jul 23, 10:00 PM MDT | Tornado Watch | SPC | 5 hr |
| Jul 24, 10:42 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Jul 24, 11:48 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| Jul 26, 2:26 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jul 26, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 27, 8:53 PM MDT | Severe Thunderstorm Warning | BYZ | 67 min |
| Jul 27, 10:00 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 27, 11:10 PM MDT | Severe Thunderstorm Warning | BYZ | 65 min |
| Jul 28, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 3:20 PM MDT | Severe Thunderstorm Warning | BYZ | 55 min |
| Aug 19, 10:33 PM MDT | Severe Thunderstorm Warning | BYZ | 27 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 | 39 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 18 |
| Tornado Watch | 3 |
| Flooding | |
| Flash Flood Warning | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20002002
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.