Alert archive / Montana / Yellowstone County
Weather alerts in Yellowstone County, Montana, 2007
85 weather alerts in 2007, 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 2007. Tap one for its archive.
- Alerts
- 85
- Warnings
- 35
- Watches
- 17
- Advisories
- 0
- Busiest month
- May29 alerts
- Busiest day
- June 17, 20076 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 |
|---|---|---|---|
| Mar 27, 2:44 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Apr 18, 2:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Apr 29, 5:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Apr 29, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | 41 min |
| May 2, 2:28 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 1:20 PM MDT | Severe Thunderstorm Warning | BYZ | 25 min |
| May 3, 1:40 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 3, 1:43 PM MDT | Severe Thunderstorm Warning | BYZ | 32 min |
| May 10, 12:30 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 10, 2:16 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 10, 4:59 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 1:49 PM MDT | Mesoscale Discussion | SPC | 56 min |
| May 13, 2:32 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 13, 4:58 PM MDT | Mesoscale Discussion | SPC | 92 min |
| May 13, 5:09 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| May 13, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| May 13, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | 33 min |
| May 13, 6:38 PM MDT | Severe Thunderstorm Warning | BYZ | 67 min |
| May 13, 6:54 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| May 17, 2:55 PM MDT | Mesoscale Discussion | SPC | 65 min |
| May 18, 3:08 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 18, 4:17 PM MDT | Severe Thunderstorm Warning | BYZ | 28 min |
| May 19, 1:41 PM MDT | Mesoscale Discussion | SPC | 64 min |
| May 19, 2:36 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 19, 4:23 PM MDT | Severe Thunderstorm Warning | BYZ | 35 min |
| May 19, 5:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| May 19, 7:40 PM MDT | Severe Thunderstorm Warning | BYZ | 30 min |
| May 20, 1:45 PM MDT | Mesoscale Discussion | SPC | 60 min |
| May 20, 2:33 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 20, 6:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| May 20, 8:32 PM MDT | Severe Thunderstorm Warning | BYZ | 73 min |
| May 24, 4:37 PM MDT | Mesoscale Discussion | SPC | 53 min |
| May 27, 7:04 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jun 5, 1:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 5, 1:39 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 6, 2:50 AM MDT | Flood Watch | BYZ | 33 hr |
| Jun 16, 2:18 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 16, 5:25 PM MDT | Severe Thunderstorm Warning | BYZ | 65 min |
| Jun 16, 6:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 16, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | 79 min |
| Jun 17, 2:56 AM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jun 17, 3:03 AM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| Jun 17, 3:26 AM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jun 17, 4:08 AM MDT | Severe Thunderstorm Warning | BYZ | 67 min |
| Jun 24, 4:06 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 24, 6:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 24, 8:45 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jun 29, 5:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 12:55 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 1, 2:00 PM MDT | Mesoscale Discussion | SPC | 60 min |
| Jul 1, 2:41 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 1:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 2, 2:36 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 2, 6:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 1:25 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jul 7, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| Jul 7, 6:55 PM MDT | Flash Flood Warning | BYZ | 95 min |
| Jul 7, 7:12 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Jul 7, 8:44 PM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jul 7, 9:20 PM MDT | Flash Flood Warning | BYZ | 85 min |
| Jul 17, 1:45 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 19, 1:46 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 12:57 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 4, 12:59 PM MDT | Red Flag Warning | BYZ | 7 hr |
| Aug 4, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | 37 min |
| Aug 4, 5:21 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Aug 5, 12:32 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 4:19 PM MDT | Fire Weather Watch | BYZ | 12 hr |
| Aug 10, 3:52 AM MDT | Red Flag Warning | BYZ | 20 hr |
| Aug 11, 5:10 AM MDT | Fire Weather Watch | BYZ | 24 hr |
| Aug 12, 4:45 AM MDT | Red Flag Warning | BYZ | 16 hr |
| Aug 18, 2:28 AM MDT | Fire Weather Watch | BYZ | 13 hr |
| Aug 18, 1:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 18, 3:33 PM MDT | Red Flag Warning | BYZ | 53 hr |
| Aug 19, 12:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Aug 19, 1:36 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 19, 6:37 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Aug 20, 9:51 PM MDT | Red Flag Warning | BYZ | 23 hr |
| Aug 25, 3:19 PM MDT | Red Flag Warning | BYZ | 30 hr |
| Sep 2, 3:35 PM MDT | Fire Weather Watch | BYZ | 37 hr |
| Sep 3, 2:52 PM MDT | Red Flag Warning | BYZ | 32 hr |
| Sep 7, 5:36 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Sep 11, 3:07 PM MDT | Fire Weather Watch | BYZ | 12 hr |
| Sep 12, 3:07 AM MDT | Red Flag Warning | BYZ | 16 hr |
| Sep 16, 3:04 AM MDT | Red Flag Warning | BYZ | 18 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 | 24 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 33 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 1 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20062008
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.