Alert archive / South Dakota / Bennett County
Weather alerts in Bennett County, South Dakota, 2024
177 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Bennett County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 177
- Warnings
- 46
- Watches
- 29
- Advisories
- 37
- Busiest month
- July36 alerts
- Busiest day
- July 3, 20249 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Bennett County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 24 | 17 | 29% | 21 | 90% | 37 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Rapid City, SD: tornado warnings | 11 | 2 | 82% | 4 | 100% | 6 min |
| NWS Rapid City, SD: severe thunderstorm warnings | 299 | 221 | 26% | 611 | 79% | 25 min |
| NWS Rapid City, SD: flash flood warnings | 3 | 1 | 67% | 1 | 100% | 46 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 3, 3:34 PM MST | Dense Fog Advisory | UNR | 20 hr |
| Jan 10, 12:37 PM MST | Winter Weather Advisory | UNR | 25 hr |
| Jan 11, 2:10 AM MST | Wind Chill Warning | UNR | 5 days |
| Jan 11, 2:10 AM MST | Wind Chill Advisory | UNR | 35 hr |
| Jan 12, 2:28 AM MST | Winter Weather Advisory | UNR | 42 hr |
| Jan 15, 1:44 AM MST | Wind Chill Advisory | UNR | 33 hr |
| Jan 17, 12:42 PM MST | Winter Weather Advisory | UNR | 36 hr |
| Jan 18, 1:21 AM MST | Wind Chill Advisory | UNR | 33 hr |
| Jan 19, 12:42 PM MST | Wind Chill Advisory | UNR | 22 hr |
| Jan 22, 1:27 PM MST | Dense Fog Advisory | UNR | 24 hr |
| Feb 1, 5:14 PM MST | Dense Fog Advisory | UNR | 66 hr |
| Feb 6, 1:52 PM MST | Dense Fog Advisory | UNR | 24 hr |
| Feb 14, 1:50 PM MST | Winter Weather Advisory | UNR | 33 hr |
| Feb 25, 12:27 PM MST | Wind Advisory | UNR | 29 hr |
| Feb 25, 12:41 PM MST | Red Flag Warning | UNR | 28 hr |
| Feb 26, 1:53 AM MST | Wind Advisory | UNR | 36 hr |
| Mar 1, 10:52 AM MST | Red Flag Warning | UNR | 6 hr |
| Mar 2, 12:45 AM MST | High Wind Watch | UNR | 12 hr |
| Mar 2, 1:49 AM MST | Red Flag Warning | UNR | 16 hr |
| Mar 2, 1:03 PM MST | Wind Advisory | UNR | 28 hr |
| Mar 2, 6:05 PM MST | Fire Weather Watch | UNR | 8 hr |
| Mar 3, 1:54 AM MST | Red Flag Warning | UNR | 16 hr |
| Mar 10, 1:56 AM MST | Red Flag Warning | UNR | 39 hr |
| Mar 10, 2:04 PM MDT | Fire Weather Watch | UNR | 12 hr |
| Mar 22, 1:50 AM MDT | Winter Storm Watch | UNR | 48 hr |
| Mar 23, 2:17 AM MDT | Winter Weather Advisory | UNR | 58 hr |
| Mar 23, 1:43 PM MDT | Winter Storm Warning | UNR | 37 hr |
| Mar 25, 2:39 AM MDT | Winter Weather Advisory | UNR | 15 hr |
| Mar 29, 1:58 PM MDT | Winter Weather Advisory | UNR | 3 days |
| Apr 5, 1:46 AM MDT | Wind Advisory | UNR | 45 hr |
| Apr 9, 1:03 PM MDT | Wind Advisory | UNR | 30 hr |
| Apr 15, 1:30 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Apr 15, 2:42 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 15, 5:20 PM MDT | Severe Thunderstorm Warning | UNR | 10 min |
| Apr 15, 5:28 PM MDT | Severe Thunderstorm Warning | UNR | 47 min |
| Apr 15, 6:49 PM MDT | Special Weather Statement | UNR | 41 min |
| Apr 15, 7:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Apr 16, 12:29 AM MDT | Wind Advisory | UNR | 18 hr |
| May 4, 1:17 PM MDT | Wind Advisory | UNR | 3 days |
| May 6, 10:07 AM MDT | Mesoscale Discussion | SPC | 113 min |
| May 6, 11:18 AM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 14, 3:07 PM MDT | Special Weather Statement | UNR | 38 min |
| May 14, 3:53 PM MDT | Mesoscale Discussion | SPC | 67 min |
| May 16, 6:40 PM MDT | Severe Thunderstorm Warning | UNR | 50 min |
| May 16, 7:27 PM MDT | Severe Thunderstorm Warning | UNR | 34 min |
| May 19, 12:09 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 12:57 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 19, 2:50 PM MDT | Mesoscale Discussion | SPC | 85 min |
| May 19, 5:40 PM MDT | Mesoscale Discussion | SPC | 95 min |
| May 23, 2:18 AM MDT | Wind Advisory | UNR | 36 hr |
| May 26, 12:54 PM MDT | Special Weather Statement | UNR | 36 min |
| May 26, 2:06 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 1:08 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 1, 8:20 PM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jun 1, 9:05 PM MDT | Severe Thunderstorm Warning | UNR | 18 min |
| Jun 1, 9:39 PM MDT | Special Weather Statement | UNR | 51 min |
| Jun 2, 3:32 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 12:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 2:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 4:32 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 5:33 PM MDT | Special Weather Statement | UNR | 27 min |
| Jun 10, 5:34 PM MDT | Special Weather Statement | LBF | 41 min |
| Jun 10, 5:49 PM MDT | Special Weather Statement | UNR | 26 min |
| Jun 15, 11:50 PM MDT | Wind Advisory | UNR | 4 hr |
| Jun 16, 7:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 9:09 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 8:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Jun 20, 7:32 AM MDT | Special Weather Statement | UNR | 28 min |
| Jun 20, 12:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jun 20, 3:57 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 6:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 25, 1:36 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 25, 3:53 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 5:51 PM MDT | Severe Thunderstorm Warning | UNR | 69 min |
| Jun 25, 6:13 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jun 25, 6:29 PM MDT | Severe Thunderstorm Warning | UNR | 61 min |
| Jun 25, 6:53 PM MDT | Special Weather Statement | UNR | 52 min |
| Jun 27, 2:18 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 27, 2:41 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 7:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 1, 1:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jul 1, 1:36 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 1, 3:36 PM MDT | Severe Thunderstorm Warning | UNR | 24 min |
| Jul 1, 3:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jul 3, 9:27 AM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Jul 3, 10:30 AM MDT | Special Weather Statement | UNR | 45 min |
| Jul 3, 11:28 AM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jul 3, 12:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 3, 1:15 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Jul 3, 1:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 2:10 PM MDT | Severe Thunderstorm Warning | UNR | 65 min |
| Jul 3, 3:43 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 3, 5:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 3, 6:25 PM MDT | Special Weather Statement | UNR | 50 min |
| Jul 12, 12:47 PM MDT | Heat Advisory | UNR | 48 hr |
| Jul 12, 3:44 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jul 13, 8:40 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 17, 5:04 PM MDT | Special Weather Statement | UNR | 41 min |
| Jul 19, 2:53 AM MDT | Special Weather Statement | UNR | 37 min |
| Jul 19, 3:16 AM MDT | Special Weather Statement | UNR | 44 min |
| Jul 19, 4:04 AM MDT | Severe Thunderstorm Warning | UNR | 34 min |
| Jul 19, 3:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 19, 5:02 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 24, 1:37 AM MDT | Heat Advisory | UNR | 65 hr |
| Jul 24, 1:32 PM MDT | Red Flag Warning | UNR | 33 hr |
| Jul 27, 3:52 PM MDT | Special Weather Statement | UNR | 23 min |
| Jul 27, 5:15 PM MDT | Special Weather Statement | UNR | 30 min |
| Jul 27, 7:04 PM MDT | Special Weather Statement | LBF | 26 min |
| Jul 27, 8:41 PM MDT | Special Weather Statement | UNR | 34 min |
| Jul 28, 8:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 9:27 PM MDT | Special Weather Statement | UNR | 33 min |
| Jul 28, 9:43 PM MDT | Severe Thunderstorm Warning | UNR | 47 min |
| Jul 28, 10:14 PM MDT | Severe Thunderstorm Warning | UNR | 31 min |
| Jul 29, 1:35 PM MDT | Red Flag Warning | UNR | 6 hr |
| Jul 29, 3:26 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 30, 3:29 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 3, 2:12 AM MDT | Heat Advisory | UNR | 17 hr |
| Aug 7, 1:55 AM MDT | Special Weather Statement | UNR | 35 min |
| Aug 11, 12:24 PM MDT | Mesoscale Discussion | SPC | 111 min |
| Aug 11, 12:33 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 11, 3:49 PM MDT | Severe Thunderstorm Warning | UNR | 56 min |
| Aug 11, 4:18 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 11, 4:22 PM MDT | Severe Thunderstorm Warning | UNR | 36 min |
| Aug 18, 1:23 AM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 20, 4:15 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Aug 21, 1:55 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Aug 21, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 21, 6:30 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Aug 21, 8:04 PM MDT | Special Weather Statement | UNR | 41 min |
| Aug 26, 11:15 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 1:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Aug 26, 2:11 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 26, 3:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Aug 26, 4:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Aug 26, 5:58 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Aug 26, 6:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 26, 6:44 PM MDT | Special Weather Statement | LBF | 61 min |
| Aug 26, 6:53 PM MDT | Severe Thunderstorm Warning | UNR | 82 min |
| Aug 26, 8:28 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Aug 26, 8:33 PM MDT | Special Weather Statement | UNR | 42 min |
| Aug 26, 8:44 PM MDT | Special Weather Statement | LBF | 46 min |
| Aug 27, 1:10 PM MDT | Red Flag Warning | UNR | 30 hr |
| Aug 31, 1:04 PM MDT | Fire Weather Watch | UNR | 24 hr |
| Sep 1, 1:05 PM MDT | Red Flag Warning | UNR | 56 hr |
| Sep 11, 2:21 AM MDT | Red Flag Warning | UNR | 42 hr |
| Sep 11, 1:51 PM MDT | Wind Advisory | UNR | 34 hr |
| Sep 11, 8:26 PM MDT | Special Weather Statement | UNR | 49 min |
| Sep 14, 12:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Sep 14, 6:23 PM MDT | Special Weather Statement | LBF | 37 min |
| Sep 15, 11:56 PM MDT | Special Weather Statement | LBF | 64 min |
| Sep 17, 1:49 AM MDT | Wind Advisory | UNR | 22 hr |
| Sep 17, 7:16 PM MDT | Severe Thunderstorm Warning | UNR | 59 min |
| Sep 17, 8:17 PM MDT | Severe Thunderstorm Warning | UNR | 43 min |
| Sep 18, 2:55 AM MDT | Red Flag Warning | UNR | 17 hr |
| Sep 25, 1:20 PM MDT | Red Flag Warning | UNR | 30 hr |
| Sep 28, 1:32 AM MDT | Fire Weather Watch | UNR | 24 hr |
| Sep 28, 1:08 PM MDT | Red Flag Warning | UNR | 55 hr |
| Sep 29, 12:52 AM MDT | Wind Advisory | UNR | 38 hr |
| Sep 30, 2:05 PM MDT | Freeze Warning | UNR | 18 hr |
| Sep 30, 2:24 PM MDT | Fire Weather Watch | UNR | 11 hr |
| Oct 1, 12:57 AM MDT | Red Flag Warning | UNR | 41 hr |
| Oct 3, 2:39 AM MDT | Fire Weather Watch | UNR | 23 hr |
| Oct 4, 1:54 AM MDT | Red Flag Warning | UNR | 40 hr |
| Oct 13, 1:27 PM MDT | Freeze Warning | UNR | 19 hr |
| Oct 15, 2:11 AM MDT | Fire Weather Watch | UNR | 11 hr |
| Oct 15, 12:52 PM MDT | Wind Advisory | UNR | 34 hr |
| Oct 15, 1:00 PM MDT | Red Flag Warning | UNR | 53 hr |
| Oct 16, 1:57 AM MDT | Fire Weather Watch | UNR | 12 hr |
| Nov 11, 12:46 PM MST | Wind Advisory | UNR | 26 hr |
| Nov 17, 12:59 PM MST | High Wind Watch | UNR | 24 hr |
| Nov 18, 1:08 PM MST | High Wind Warning | UNR | 52 hr |
| Nov 20, 2:12 PM MST | Wind Advisory | UNR | 3 hr |
| Dec 4, 1:11 AM MST | Wind Advisory | UNR | 15 hr |
| Dec 8, 1:56 AM MST | Wind Advisory | UNR | 35 hr |
| Dec 15, 2:06 PM MST | Wind Advisory | UNR | 24 hr |
| Dec 18, 12:42 PM MST | High Wind Warning | UNR | 26 hr |
| Dec 29, 2:28 AM MST | Winter Weather Advisory | UNR | 42 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 | 18 |
| Mesoscale Discussion | 38 |
| Special Weather Statement | 27 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 18 |
| Fire | |
| Red Flag Warning | 16 |
| Fire Weather Watch | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.