Alert archive / Montana / Custer County
Weather alerts in Custer County, Montana, 2011
170 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Custer County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 170
- Warnings
- 54
- Watches
- 30
- Advisories
- 26
- Busiest month
- July60 alerts
- Busiest day
- July 15, 201112 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 |
|---|---|---|---|
| Jan 1, 3:46 AM MST | Winter Weather Advisory | BYZ | 49 hr |
| Jan 6, 3:50 PM MST | Winter Storm Watch | BYZ | 23 hr |
| Jan 7, 3:19 PM MST | Winter Weather Advisory | BYZ | 47 hr |
| Jan 10, 3:19 PM MST | Wind Chill Advisory | BYZ | 20 hr |
| Jan 13, 10:05 PM MST | Winter Weather Advisory | BYZ | 4 hr |
| Jan 14, 4:20 AM MST | Winter Weather Advisory | BYZ | 18 hr |
| Jan 15, 9:23 AM MST | Winter Weather Advisory | BYZ | 6 hr |
| Jan 16, 5:31 AM MST | Winter Weather Advisory | BYZ | 14 hr |
| Jan 17, 12:47 AM MST | Freezing Rain Advisory | BYZ | 14 hr |
| Jan 17, 3:48 PM MST | Winter Weather Advisory | BYZ | 44 hr |
| Jan 20, 3:45 PM MST | Winter Storm Watch | BYZ | 24 hr |
| Jan 21, 3:39 PM MST | Winter Weather Advisory | BYZ | 25 hr |
| Jan 28, 3:17 PM MST | Winter Weather Advisory | BYZ | 60 hr |
| Jan 31, 3:33 AM MST | Wind Chill Advisory | BYZ | 25 hr |
| Feb 4, 2:51 PM MST | Winter Weather Advisory | BYZ | 24 hr |
| Feb 5, 9:22 PM MST | Winter Weather Advisory | BYZ | 14 hr |
| Feb 6, 3:08 PM MST | Winter Weather Advisory | BYZ | 33 hr |
| Feb 7, 4:20 PM MST | Wind Chill Advisory | BYZ | 10 hr |
| Feb 11, 3:46 AM MST | High Wind Warning | BYZ | 62 hr |
| Feb 18, 3:24 PM MST | Winter Storm Watch | BYZ | 12 hr |
| Feb 19, 3:47 AM MST | Winter Storm Warning | BYZ | 38 hr |
| Feb 19, 3:47 AM MST | Winter Weather Advisory | BYZ | 38 hr |
| Feb 23, 7:56 PM MST | Wind Chill Advisory | BYZ | 30 hr |
| Mar 2, 12:27 AM MST | Wind Chill Advisory | BYZ | 11 hr |
| Mar 12, 5:24 PM MST | Areal Flood Warning | BYZ | 47 hr |
| Mar 13, 9:21 AM MDT | Areal Flood Warning | BYZ | 8 days |
| Mar 22, 2:04 AM MDT | Winter Weather Advisory | BYZ | 37 hr |
| Apr 17, 4:34 AM MDT | Winter Storm Watch | BYZ | 34 hr |
| Apr 18, 2:44 PM MDT | Winter Weather Advisory | BYZ | 24 hr |
| Apr 22, 3:15 AM MDT | Winter Weather Advisory | BYZ | 15 hr |
| Apr 29, 3:53 PM MDT | Winter Weather Advisory | BYZ | 16 hr |
| Apr 30, 4:43 AM MDT | High Wind Warning | BYZ | 13 hr |
| May 9, 8:34 PM MDT | Flood Watch | BYZ | 19 hr |
| May 10, 8:46 AM MDT | Areal Flood Warning | BYZ | 24 hr |
| May 11, 9:07 AM MDT | River Flood Warning | BYZ | 9 hr |
| May 17, 3:35 PM MDT | Flood Watch | BYZ | 5 days |
| May 20, 9:06 PM MDT | Areal Flood Warning | BYZ | 39 hr |
| May 21, 12:37 AM MDT | River Flood Warning | BYZ | 59 hr |
| May 22, 7:42 AM MDT | River Flood Warning | BYZ | 7 days |
| May 27, 3:48 AM MDT | Flood Watch | BYZ | 4 days |
| May 30, 12:18 AM MDT | Areal Flood Warning | BYZ | 35 hr |
| May 30, 3:59 AM MDT | High Wind Watch | BYZ | 16 hr |
| Jun 2, 1:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Jun 2, 2:09 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 2:52 PM MDT | Special Weather Statement | BYZ | 53 min |
| Jun 2, 3:09 PM MDT | Severe Thunderstorm Warning | BYZ | 45 min |
| Jun 6, 10:25 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 7, 12:06 AM MDT | Special Weather Statement | BYZ | 54 min |
| Jun 10, 11:46 AM MDT | River Flood Warning | BYZ | 3 days |
| Jun 11, 3:59 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 11, 5:35 PM MDT | Special Weather Statement | BYZ | 55 min |
| Jun 11, 7:11 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Jun 12, 12:52 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 12, 1:49 PM MDT | Tornado Watch | SPC | 6 hr |
| Jun 12, 3:21 PM MDT | Special Weather Statement | BYZ | 54 min |
| Jun 12, 4:36 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Jun 13, 11:01 PM MDT | Special Weather Statement | BYZ | 59 min |
| Jun 15, 1:44 PM MDT | River Flood Warning | BYZ | 5 days |
| Jun 15, 9:49 PM MDT | Severe Thunderstorm Warning | BYZ | 56 min |
| Jun 15, 10:13 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Jun 15, 10:33 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| Jun 15, 11:14 PM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jun 16, 4:35 AM MDT | Flood Watch | BYZ | 24 hr |
| Jun 22, 3:00 PM MDT | River Flood Watch | BYZ | 26 hr |
| Jun 23, 3:17 PM MDT | River Flood Warning | BYZ | 18 days |
| Jun 23, 10:32 PM MDT | Special Weather Statement | BYZ | 58 min |
| Jun 24, 1:52 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 4:18 PM MDT | Special Weather Statement | BYZ | 57 min |
| Jun 25, 12:14 AM MDT | Special Weather Statement | BYZ | 61 min |
| Jun 25, 1:06 AM MDT | Flash Flood Warning | BYZ | 96 min |
| Jun 26, 4:24 PM MDT | Special Weather Statement | BYZ | 66 min |
| Jul 2, 12:17 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 2, 2:13 PM MDT | Tornado Watch | SPC | 8 hr |
| Jul 2, 4:59 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 6:11 PM MDT | Severe Thunderstorm Warning | BYZ | 49 min |
| Jul 2, 6:24 PM MDT | Special Weather Statement | BYZ | 36 min |
| Jul 2, 6:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 3, 12:31 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 4:08 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 3, 6:29 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 8:02 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 3, 8:35 PM MDT | Severe Thunderstorm Warning | BYZ | 55 min |
| Jul 3, 9:04 PM MDT | Severe Thunderstorm Warning | BYZ | 56 min |
| Jul 3, 9:39 PM MDT | Severe Thunderstorm Warning | BYZ | 51 min |
| Jul 3, 9:51 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Jul 3, 10:25 PM MDT | Severe Thunderstorm Warning | BYZ | 52 min |
| Jul 3, 10:30 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jul 6, 2:46 AM MDT | Severe Thunderstorm Warning | BYZ | 59 min |
| Jul 6, 4:30 AM MDT | Special Weather Statement | BYZ | 45 min |
| Jul 6, 2:19 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 11:20 PM MDT | Special Weather Statement | BYZ | 55 min |
| Jul 8, 12:23 AM MDT | Special Weather Statement | BYZ | 52 min |
| Jul 8, 5:34 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 8, 6:57 PM MDT | Special Weather Statement | BYZ | 63 min |
| Jul 13, 9:51 PM MDT | Severe Thunderstorm Warning | BYZ | 34 min |
| Jul 14, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 14, 6:33 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 14, 7:33 PM MDT | Special Weather Statement | BYZ | 57 min |
| Jul 14, 7:45 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 14, 8:02 PM MDT | Severe Thunderstorm Warning | BYZ | 58 min |
| Jul 14, 8:59 PM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jul 14, 9:40 PM MDT | Severe Thunderstorm Warning | BYZ | 50 min |
| Jul 14, 10:01 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 14, 11:59 PM MDT | Special Weather Statement | BYZ | 61 min |
| Jul 15, 12:43 AM MDT | Severe Thunderstorm Warning | BYZ | 47 min |
| Jul 15, 1:29 AM MDT | Severe Thunderstorm Warning | BYZ | 46 min |
| Jul 15, 2:39 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 3:26 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 15, 6:26 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Jul 19, 11:24 PM MDT | Special Weather Statement | BYZ | 51 min |
| Jul 22, 10:05 AM MDT | Mesoscale Discussion | SPC | 55 min |
| Jul 22, 1:06 PM MDT | Mesoscale Discussion | SPC | 24 min |
| Jul 22, 1:25 PM MDT | Tornado Watch | SPC | 8 hr |
| Jul 22, 4:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 22, 4:27 PM MDT | Special Weather Statement | BYZ | 63 min |
| Jul 22, 4:54 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jul 22, 5:36 PM MDT | Severe Thunderstorm Warning | BYZ | 69 min |
| Jul 22, 7:38 PM MDT | Special Weather Statement | BYZ | 67 min |
| Jul 25, 1:30 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 25, 4:04 PM MDT | Special Weather Statement | BYZ | 56 min |
| Jul 25, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Jul 25, 5:01 PM MDT | Severe Thunderstorm Warning | BYZ | 30 min |
| Jul 26, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | 46 min |
| Jul 26, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | 36 min |
| Jul 26, 6:04 PM MDT | Severe Thunderstorm Warning | BYZ | 56 min |
| Jul 26, 6:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jul 26, 6:32 PM MDT | Severe Thunderstorm Warning | BYZ | 43 min |
| Jul 26, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | 46 min |
| Jul 28, 6:17 AM MDT | Special Weather Statement | BYZ | 28 min |
| Jul 29, 1:54 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 29, 4:46 PM MDT | Mesoscale Discussion | SPC | 59 min |
| Aug 4, 2:24 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Aug 4, 3:03 PM MDT | Special Weather Statement | BYZ | 57 min |
| Aug 5, 12:05 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 2:55 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 5, 4:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 5:41 PM MDT | Special Weather Statement | BYZ | 64 min |
| Aug 5, 6:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Aug 11, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Aug 14, 5:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 15, 4:23 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 15, 8:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Aug 21, 9:10 PM MDT | Special Weather Statement | BYZ | 65 min |
| Aug 22, 2:39 PM MDT | Red Flag Warning | BYZ | 30 hr |
| Aug 25, 3:04 AM MDT | Red Flag Warning | BYZ | 18 hr |
| Aug 26, 10:47 PM MDT | Special Weather Statement | BYZ | 58 min |
| Aug 29, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 29, 5:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Aug 29, 7:01 PM MDT | Special Weather Statement | BYZ | 59 min |
| Aug 30, 3:26 PM MDT | Red Flag Warning | BYZ | 30 hr |
| Aug 31, 5:03 PM MDT | Special Weather Statement | BYZ | 57 min |
| Aug 31, 5:15 PM MDT | Special Weather Statement | BYZ | 60 min |
| Aug 31, 5:50 PM MDT | Special Weather Statement | BYZ | 25 min |
| Sep 19, 2:23 AM MDT | Red Flag Warning | BYZ | 19 hr |
| Sep 19, 7:19 PM MDT | Special Weather Statement | BYZ | 56 min |
| Sep 19, 7:42 PM MDT | Special Weather Statement | BYZ | 33 min |
| Sep 27, 2:35 PM MDT | Fire Weather Watch | BYZ | 13 hr |
| Sep 29, 3:05 PM MDT | Fire Weather Watch | BYZ | 14 hr |
| Sep 30, 4:04 AM MDT | Red Flag Warning | BYZ | 41 hr |
| Oct 2, 5:47 PM MDT | Special Weather Statement | BYZ | 58 min |
| Oct 3, 3:11 PM MDT | Red Flag Warning | BYZ | 29 hr |
| Oct 6, 3:33 PM MDT | High Wind Watch | BYZ | 12 hr |
| Oct 7, 3:45 AM MDT | High Wind Warning | BYZ | 11 hr |
| Nov 4, 2:53 PM MDT | Winter Weather Advisory | BYZ | 33 hr |
| Nov 17, 3:37 PM MST | Winter Weather Advisory | BYZ | 48 hr |
| Nov 29, 4:16 PM MST | Winter Weather Advisory | BYZ | 35 hr |
| Dec 27, 8:56 AM MST | High Wind Warning | BYZ | 60 hr |
| Dec 27, 2:39 PM MST | High Wind Watch | BYZ | 38 hr |
| Dec 30, 3:21 AM MST | High Wind Watch | BYZ | 23 hr |
| Dec 31, 2:48 AM MST | High Wind Warning | BYZ | 12 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.