Alert archive / South Dakota / Custer County
Weather alerts in Custer County, South Dakota, 2019
270 weather alerts in 2019, 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 2019. Tap one for its archive.
- Alerts
- 270
- Warnings
- 72
- Watches
- 37
- Advisories
- 47
- Busiest month
- July74 alerts
- Busiest day
- August 11, 201912 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 4 tornado warnings covering Custer County in 2019 had a tornado report inside them.
Custer County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 1 | 75% | 0 | ||
| Severe thunderstorm warnings | 43 | 32 | 26% | 24 | 88% | 26 min |
| Flash flood warnings | 3 | 2 | 33% | 3 | 100% | 74 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Rapid City, SD: tornado warnings | 24 | 7 | 71% | 13 | 77% | 11 min |
| NWS Rapid City, SD: severe thunderstorm warnings | 444 | 289 | 35% | 588 | 87% | 24 min |
| NWS Rapid City, SD: flash flood warnings | 24 | 12 | 50% | 28 | 86% | 94 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 7, 1:20 PM MST | Wind Advisory | UNR | 9 hr |
| Jan 12, 12:10 AM MST | Dense Fog Advisory | UNR | 11 hr |
| Jan 12, 5:11 PM MST | Dense Fog Advisory | UNR | 16 hr |
| Jan 15, 8:43 PM MST | Dense Fog Advisory | UNR | 9 hr |
| Jan 20, 1:40 PM MST | Winter Weather Advisory | UNR | 38 hr |
| Jan 25, 3:11 AM MST | Winter Weather Advisory | UNR | 48 hr |
| Jan 25, 3:12 AM MST | High Wind Watch | UNR | 47 hr |
| Jan 27, 2:41 AM MST | High Wind Warning | UNR | 32 hr |
| Jan 27, 2:41 AM MST | Winter Weather Advisory | UNR | 32 hr |
| Jan 28, 2:21 AM MST | Wind Advisory | UNR | 9 hr |
| Feb 5, 2:23 PM MST | Wind Chill Advisory | UNR | 4 days |
| Feb 5, 2:23 PM MST | Winter Weather Advisory | UNR | 35 hr |
| Feb 14, 2:14 PM MST | Winter Weather Advisory | UNR | 24 hr |
| Feb 17, 1:43 PM MST | Wind Chill Advisory | UNR | 19 hr |
| Feb 24, 1:33 PM MST | Wind Chill Advisory | UNR | 20 hr |
| Mar 1, 2:05 PM MST | Winter Weather Advisory | UNR | 22 hr |
| Mar 2, 3:14 AM MST | Wind Chill Warning | UNR | 56 hr |
| Mar 2, 3:14 AM MST | Wind Chill Advisory | UNR | 35 hr |
| Mar 4, 3:48 AM MST | Wind Chill Advisory | UNR | 7 hr |
| Mar 5, 2:10 PM MST | Winter Storm Watch | UNR | 12 hr |
| Mar 6, 2:13 AM MST | Winter Storm Warning | UNR | 27 hr |
| Mar 6, 2:13 AM MST | Winter Weather Advisory | UNR | 31 hr |
| Mar 7, 7:10 AM MST | Winter Storm Watch | UNR | 20 hr |
| Mar 8, 3:19 AM MST | Winter Weather Advisory | UNR | 41 hr |
| Mar 11, 2:48 AM MDT | Winter Storm Watch | UNR | 36 hr |
| Mar 12, 3:09 AM MDT | Blizzard Warning | UNR | 63 hr |
| Mar 12, 3:09 AM MDT | Winter Storm Warning | UNR | 55 hr |
| Mar 12, 9:53 PM MDT | Areal Flood Advisory | UNR | 12 hr |
| Mar 13, 3:59 AM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 13, 6:20 AM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 13, 1:37 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 13, 5:26 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 14, 2:35 AM MDT | Winter Weather Advisory | UNR | 15 hr |
| Mar 24, 2:53 AM MDT | Dense Fog Advisory | UNR | 33 hr |
| Mar 26, 12:34 AM MDT | Dense Fog Advisory | UNR | 9 hr |
| Apr 7, 3:01 PM MDT | Winter Storm Watch | UNR | 36 hr |
| Apr 9, 3:08 AM MDT | Blizzard Warning | UNR | 64 hr |
| Apr 9, 3:08 AM MDT | Winter Storm Warning | UNR | 63 hr |
| Apr 11, 5:52 PM MDT | Winter Weather Advisory | UNR | 12 hr |
| Apr 18, 3:06 AM MDT | Wind Advisory | UNR | 15 hr |
| Apr 28, 1:56 PM MDT | Winter Storm Watch | UNR | 24 hr |
| Apr 29, 2:10 PM MDT | Winter Storm Warning | UNR | 45 hr |
| Apr 29, 2:10 PM MDT | Winter Weather Advisory | UNR | 45 hr |
| May 1, 11:30 AM MDT | Winter Weather Advisory | UNR | 4 hr |
| May 6, 5:03 PM MDT | Dense Fog Advisory | UNR | 16 hr |
| May 7, 2:35 PM MDT | Dense Fog Advisory | UNR | 18 hr |
| May 7, 2:43 PM MDT | Winter Weather Advisory | UNR | 27 hr |
| May 11, 1:38 PM MDT | Frost Advisory | UNR | 17 hr |
| May 14, 5:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| May 14, 5:18 PM MDT | Special Weather Statement | UNR | 27 min |
| May 14, 6:41 PM MDT | Special Weather Statement | UNR | 49 min |
| May 19, 2:45 AM MDT | Winter Storm Watch | UNR | 24 hr |
| May 19, 2:47 PM MDT | Flood Watch | UNR | 72 hr |
| May 20, 2:56 AM MDT | Winter Storm Warning | UNR | 54 hr |
| May 21, 2:08 PM MDT | Areal Flood Warning | UNR | 71 hr |
| May 24, 10:53 PM MDT | Areal Flood Advisory | UNR | 11 hr |
| May 25, 2:54 AM MDT | Flood Watch | UNR | 4 days |
| May 26, 4:23 AM MDT | Special Weather Statement | UNR | 52 min |
| May 26, 2:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| May 27, 8:30 AM MDT | Dense Fog Advisory | UNR | 6 hr |
| May 28, 8:14 AM MDT | Areal Flood Warning | UNR | 3 days |
| May 31, 7:56 AM MDT | Areal Flood Advisory | UNR | 7 days |
| May 31, 12:14 PM MDT | Special Weather Statement | UNR | 31 min |
| Jun 1, 2:47 PM MDT | Special Weather Statement | UNR | 28 min |
| Jun 1, 3:18 PM MDT | Special Weather Statement | UNR | 27 min |
| Jun 2, 12:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jun 2, 1:28 PM MDT | Severe Thunderstorm Warning | UNR | 32 min |
| Jun 2, 1:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jun 2, 2:26 PM MDT | Severe Thunderstorm Warning | UNR | 20 min |
| Jun 2, 2:56 PM MDT | Severe Thunderstorm Warning | UNR | 64 min |
| Jun 2, 3:37 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 4, 11:44 AM MDT | Special Weather Statement | UNR | 16 min |
| Jun 5, 12:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 8:35 PM MDT | Special Weather Statement | UNR | 25 min |
| Jun 7, 2:54 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 7, 3:45 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 7, 5:16 PM MDT | Severe Thunderstorm Warning | UNR | 22 min |
| Jun 7, 5:47 PM MDT | Special Weather Statement | UNR | 28 min |
| Jun 14, 11:57 AM MDT | Special Weather Statement | UNR | 18 min |
| Jun 17, 12:04 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 19, 2:53 PM MDT | Special Weather Statement | UNR | 22 min |
| Jun 19, 4:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 8:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jun 23, 2:32 PM MDT | Special Weather Statement | UNR | 28 min |
| Jun 24, 8:58 PM MDT | Special Weather Statement | UNR | 32 min |
| Jun 24, 9:10 PM MDT | Special Weather Statement | UNR | 20 min |
| Jun 24, 9:31 PM MDT | Special Weather Statement | UNR | 29 min |
| Jun 25, 4:19 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 2:36 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 4:37 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 6:01 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 26, 7:50 PM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jun 30, 11:23 AM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 30, 11:54 AM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 30, 2:20 PM MDT | Special Weather Statement | UNR | 25 min |
| Jun 30, 2:35 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 30, 3:01 PM MDT | Severe Thunderstorm Warning | UNR | 26 min |
| Jul 1, 2:32 AM MDT | Special Weather Statement | UNR | 13 min |
| Jul 2, 9:06 PM MDT | Special Weather Statement | UNR | 24 min |
| Jul 3, 12:43 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 1:29 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 3, 3:59 PM MDT | Special Weather Statement | UNR | 46 min |
| Jul 3, 4:10 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 4:19 PM MDT | Severe Thunderstorm Warning | UNR | 41 min |
| Jul 3, 4:26 PM MDT | Tornado Warning | UNR | 34 min |
| Jul 3, 4:56 PM MDT | Tornado Warning | UNR | 49 min |
| Jul 3, 5:42 PM MDT | Tornado Warning | UNR | 33 min |
| Jul 3, 5:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jul 3, 6:10 PM MDT | Severe Thunderstorm Warning | UNR | 35 min |
| Jul 3, 6:14 PM MDT | Areal Flood Warning | UNR | 19 hr |
| Jul 3, 6:31 PM MDT | Severe Thunderstorm Warning | UNR | 59 min |
| Jul 3, 6:39 PM MDT | Severe Thunderstorm Warning | UNR | 66 min |
| Jul 3, 7:24 PM MDT | Special Weather Statement | UNR | 51 min |
| Jul 3, 9:26 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Jul 3, 10:59 PM MDT | Severe Thunderstorm Warning | UNR | 61 min |
| Jul 4, 1:56 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 2:31 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 4, 7:28 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 4, 8:02 PM MDT | Severe Thunderstorm Warning | UNR | 43 min |
| Jul 4, 8:20 PM MDT | Tornado Warning | UNR | 25 min |
| Jul 4, 8:38 PM MDT | Severe Thunderstorm Warning | UNR | 67 min |
| Jul 4, 8:53 PM MDT | Areal Flood Warning | UNR | 24 hr |
| Jul 4, 9:54 PM MDT | Special Weather Statement | UNR | 51 min |
| Jul 5, 12:44 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 5, 12:46 PM MDT | Flash Flood Watch | UNR | 7 hr |
| Jul 5, 1:15 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 5, 5:04 PM MDT | Special Weather Statement | UNR | 41 min |
| Jul 5, 5:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 5, 6:11 PM MDT | Special Weather Statement | UNR | 49 min |
| Jul 5, 6:42 PM MDT | Areal Flood Warning | UNR | 36 hr |
| Jul 8, 5:06 PM MDT | Severe Thunderstorm Warning | UNR | 39 min |
| Jul 8, 5:41 PM MDT | Severe Thunderstorm Warning | UNR | 33 min |
| Jul 8, 5:45 PM MDT | Special Weather Statement | UNR | 30 min |
| Jul 9, 12:37 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 1:31 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 9, 4:42 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 8:58 PM MDT | Special Weather Statement | UNR | 32 min |
| Jul 14, 1:49 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 2:19 PM MDT | Severe Thunderstorm Warning | UNR | 41 min |
| Jul 15, 2:20 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 2:54 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 15, 5:42 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jul 15, 7:46 PM MDT | Special Weather Statement | UNR | 29 min |
| Jul 16, 1:26 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 16, 2:50 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 16, 6:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jul 16, 6:11 PM MDT | Severe Thunderstorm Warning | UNR | 49 min |
| Jul 16, 6:56 PM MDT | Severe Thunderstorm Warning | UNR | 49 min |
| Jul 17, 3:04 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 4:38 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 17, 6:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 19, 9:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 23, 3:57 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Jul 23, 5:38 PM MDT | Special Weather Statement | UNR | 67 min |
| Jul 23, 5:43 PM MDT | Severe Thunderstorm Warning | UNR | 22 min |
| Jul 23, 6:18 PM MDT | Special Weather Statement | UNR | 57 min |
| Jul 24, 6:46 PM MDT | Special Weather Statement | UNR | 29 min |
| Jul 24, 6:53 PM MDT | Severe Thunderstorm Warning | UNR | 67 min |
| Jul 24, 9:48 PM MDT | Special Weather Statement | UNR | 42 min |
| Jul 27, 1:54 AM MDT | Flash Flood Watch | UNR | 24 hr |
| Jul 27, 1:50 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 2:55 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 5:08 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 30, 5:13 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jul 30, 5:56 PM MDT | Severe Thunderstorm Warning | UNR | 49 min |
| Jul 30, 6:06 PM MDT | Special Weather Statement | UNR | 24 min |
| Jul 30, 6:41 PM MDT | Special Weather Statement | UNR | 34 min |
| Jul 31, 1:41 AM MDT | Special Weather Statement | UNR | 64 min |
| Jul 31, 2:03 AM MDT | Severe Thunderstorm Warning | UNR | 57 min |
| Jul 31, 1:50 PM MDT | Flash Flood Watch | UNR | 38 hr |
| Jul 31, 2:49 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 31, 9:59 PM MDT | Special Weather Statement | UNR | 31 min |
| Aug 2, 1:12 PM MDT | Special Weather Statement | UNR | 33 min |
| Aug 2, 1:45 PM MDT | Special Weather Statement | UNR | 45 min |
| Aug 2, 2:27 PM MDT | Special Weather Statement | UNR | 33 min |
| Aug 2, 2:43 PM MDT | Flash Flood Warning | UNR | 3 hr |
| Aug 2, 2:56 PM MDT | Special Weather Statement | UNR | 49 min |
| Aug 2, 5:46 PM MDT | Areal Flood Warning | UNR | 18 hr |
| Aug 3, 1:37 PM MDT | Special Weather Statement | UNR | 23 min |
| Aug 3, 2:22 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 3, 3:11 PM MDT | Special Weather Statement | UNR | 34 min |
| Aug 3, 3:47 PM MDT | Special Weather Statement | UNR | 28 min |
| Aug 3, 4:15 PM MDT | Special Weather Statement | UNR | 30 min |
| Aug 4, 2:38 PM MDT | Severe Thunderstorm Warning | UNR | 52 min |
| Aug 5, 2:29 PM MDT | Special Weather Statement | UNR | 31 min |
| Aug 5, 2:46 PM MDT | Severe Thunderstorm Warning | UNR | 29 min |
| Aug 5, 3:07 PM MDT | Special Weather Statement | UNR | 23 min |
| Aug 5, 3:14 PM MDT | Severe Thunderstorm Warning | UNR | 31 min |
| Aug 5, 3:30 PM MDT | Flash Flood Warning | UNR | 3 hr |
| Aug 5, 3:47 PM MDT | Severe Thunderstorm Warning | UNR | 43 min |
| Aug 5, 4:26 PM MDT | Special Weather Statement | UNR | 19 min |
| Aug 7, 6:53 PM MDT | Special Weather Statement | UNR | 37 min |
| Aug 9, 2:18 AM MDT | Special Weather Statement | UNR | 87 min |
| Aug 10, 1:34 PM MDT | Special Weather Statement | UNR | 41 min |
| Aug 10, 1:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 10, 2:44 PM MDT | Special Weather Statement | UNR | 31 min |
| Aug 10, 3:04 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 10, 3:15 PM MDT | Special Weather Statement | UNR | 45 min |
| Aug 10, 3:17 PM MDT | Severe Thunderstorm Warning | UNR | 41 min |
| Aug 10, 4:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 5:30 PM MDT | Special Weather Statement | UNR | 30 min |
| Aug 10, 6:06 PM MDT | Special Weather Statement | UNR | 24 min |
| Aug 10, 6:13 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Aug 10, 6:27 PM MDT | Flash Flood Warning | UNR | 93 min |
| Aug 10, 7:02 PM MDT | Special Weather Statement | UNR | 28 min |
| Aug 10, 8:02 PM MDT | Areal Flood Warning | UNR | 9 hr |
| Aug 10, 8:34 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Aug 11, 3:15 AM MDT | Flash Flood Watch | UNR | 25 hr |
| Aug 11, 1:59 PM MDT | Tornado Watch | SPC | 10 hr |
| Aug 11, 5:02 PM MDT | Severe Thunderstorm Warning | UNR | 58 min |
| Aug 11, 5:39 PM MDT | Areal Flood Advisory | UNR | 3 hr |
| Aug 11, 5:54 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Aug 11, 5:55 PM MDT | Severe Thunderstorm Warning | UNR | 35 min |
| Aug 11, 6:34 PM MDT | Areal Flood Advisory | UNR | 3 hr |
| Aug 14, 11:44 AM MDT | Special Weather Statement | UNR | 31 min |
| Aug 14, 12:21 PM MDT | Special Weather Statement | UNR | 24 min |
| Aug 14, 12:39 PM MDT | Severe Thunderstorm Warning | UNR | 28 min |
| Aug 14, 8:14 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 14, 10:56 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Aug 16, 5:21 PM MDT | Special Weather Statement | UNR | 24 min |
| Aug 16, 6:12 PM MDT | Severe Thunderstorm Warning | UNR | 33 min |
| Aug 16, 6:39 PM MDT | Severe Thunderstorm Warning | UNR | 51 min |
| Aug 16, 7:12 PM MDT | Severe Thunderstorm Warning | UNR | 48 min |
| Aug 17, 11:31 AM MDT | Mesoscale Discussion | SPC | 119 min |
| Aug 17, 12:55 PM MDT | Special Weather Statement | UNR | 35 min |
| Aug 17, 1:19 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 2:10 PM MDT | Special Weather Statement | UNR | 35 min |
| Aug 17, 2:12 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Aug 17, 3:03 PM MDT | Severe Thunderstorm Warning | UNR | 42 min |
| Aug 23, 2:58 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 25, 6:15 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 25, 6:33 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 25, 7:55 PM MDT | Severe Thunderstorm Warning | UNR | 65 min |
| Aug 25, 8:19 PM MDT | Special Weather Statement | UNR | 41 min |
| Aug 25, 8:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Sep 1, 4:09 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 10, 1:53 PM MDT | Tornado Watch | SPC | 7 hr |
| Sep 17, 3:48 PM MDT | Special Weather Statement | UNR | 27 min |
| Sep 20, 2:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Sep 20, 4:02 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Sep 20, 6:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 20, 7:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Sep 20, 9:39 PM MDT | Special Weather Statement | UNR | 36 min |
| Sep 29, 7:38 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 2, 2:08 AM MDT | Freeze Watch | UNR | 12 hr |
| Oct 2, 1:54 PM MDT | Freeze Warning | UNR | 19 hr |
| Oct 7, 3:03 PM MDT | Winter Storm Watch | UNR | 44 hr |
| Oct 8, 3:38 PM MDT | Winter Storm Warning | UNR | 53 hr |
| Oct 9, 11:27 AM MDT | Winter Weather Advisory | UNR | 50 hr |
| Oct 9, 10:07 PM MDT | Mesoscale Discussion | SPC | 6 hr |
| Oct 16, 3:02 AM MDT | Fire Weather Watch | UNR | 11 hr |
| Oct 16, 1:42 PM MDT | Red Flag Warning | UNR | 30 hr |
| Oct 19, 3:39 AM MDT | High Wind Watch | UNR | 24 hr |
| Oct 19, 5:40 PM MDT | Winter Storm Warning | UNR | 30 hr |
| Oct 19, 5:40 PM MDT | Winter Weather Advisory | UNR | 28 hr |
| Oct 20, 3:25 AM MDT | Wind Advisory | UNR | 18 hr |
| Oct 26, 2:36 AM MDT | Winter Weather Advisory | UNR | 27 hr |
| Oct 26, 2:38 AM MDT | Wind Advisory | UNR | 15 hr |
| Nov 9, 2:53 AM MST | Winter Weather Advisory | UNR | 46 hr |
| Nov 18, 1:28 AM MST | Wind Advisory | UNR | 14 hr |
| Nov 20, 7:59 AM MST | Wind Advisory | UNR | 10 hr |
| Nov 26, 1:26 PM MST | Winter Storm Watch | UNR | 61 hr |
| Nov 28, 2:17 AM MST | Blizzard Warning | UNR | 70 hr |
| Nov 28, 2:17 AM MST | Winter Storm Warning | UNR | 3 days |
| Nov 30, 1:48 AM MST | Mesoscale Discussion | SPC | 6 hr |
| Nov 30, 7:17 PM MST | Winter Weather Advisory | UNR | 13 hr |
| Dec 14, 6:13 AM MST | Freezing Fog Advisory | UNR | 7 hr |
| Dec 21, 12:27 PM MST | Wind Advisory | UNR | 22 hr |
| Dec 26, 2:34 PM MST | Winter Storm Watch | UNR | 23 hr |
| Dec 27, 2:03 PM MST | Winter Weather Advisory | UNR | 52 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 archive20182020
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.