Alert archive / South Dakota / Bennett County
Weather alerts in Bennett County, South Dakota, 2023
154 weather alerts in 2023, 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 2023. Tap one for its archive.
- Alerts
- 154
- Warnings
- 26
- Watches
- 18
- Advisories
- 35
- Busiest month
- July34 alerts
- Busiest day
- August 2, 202312 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, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 19 | 16 | 16% | 5 | 100% | 12 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Rapid City, SD: tornado warnings | 6 | 2 | 67% | 5 | 60% | 18 min |
| NWS Rapid City, SD: severe thunderstorm warnings | 331 | 236 | 29% | 532 | 82% | 24 min |
| NWS Rapid City, SD: flash flood warnings | 11 | 5 | 55% | 12 | 92% | 78 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 1, 1:53 AM MST | Winter Storm Warning | UNR | 59 hr |
| Jan 2, 4:59 PM MST | Mesoscale Discussion | SPC | 6 hr |
| Jan 3, 8:31 PM MST | Dense Fog Advisory | UNR | 13 hr |
| Jan 11, 6:38 AM MST | Dense Fog Advisory | UNR | 29 hr |
| Jan 12, 2:06 PM MST | Dense Fog Advisory | UNR | 19 hr |
| Jan 17, 2:29 AM MST | Winter Weather Advisory | UNR | 45 hr |
| Jan 26, 8:30 PM MST | Winter Weather Advisory | UNR | 49 hr |
| Jan 29, 12:35 PM MST | Wind Chill Advisory | UNR | 22 hr |
| Jan 30, 1:45 PM MST | Wind Chill Advisory | UNR | 19 hr |
| Feb 13, 2:41 AM MST | Winter Weather Advisory | UNR | 50 hr |
| Feb 19, 1:00 PM MST | Winter Storm Watch | UNR | 25 hr |
| Feb 20, 1:55 PM MST | Winter Storm Warning | UNR | 63 hr |
| Feb 23, 12:44 AM MST | Wind Chill Advisory | UNR | 10 hr |
| Feb 23, 1:48 PM MST | Wind Chill Advisory | UNR | 19 hr |
| Feb 27, 1:29 PM MST | Wind Advisory | UNR | 33 hr |
| Mar 2, 1:03 PM MST | Winter Weather Advisory | UNR | 40 hr |
| Mar 8, 2:19 AM MST | Winter Weather Advisory | UNR | 35 hr |
| Mar 10, 2:07 PM MST | Winter Weather Advisory | UNR | 14 hr |
| Mar 29, 1:47 PM MDT | Winter Storm Watch | UNR | 24 hr |
| Mar 30, 2:14 PM MDT | Winter Storm Warning | UNR | 33 hr |
| Mar 31, 8:06 AM MDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 1, 2:24 PM MDT | Winter Storm Watch | UNR | 24 hr |
| Apr 2, 2:03 PM MDT | Blizzard Warning | UNR | 59 hr |
| Apr 4, 1:57 AM MDT | Winter Weather Advisory | UNR | 34 hr |
| Apr 10, 1:22 AM MDT | Fire Weather Watch | UNR | 12 hr |
| Apr 10, 1:01 PM MDT | Red Flag Warning | UNR | 31 hr |
| Apr 18, 4:46 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 8:27 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Apr 20, 2:39 AM MDT | Wind Advisory | UNR | 40 hr |
| Apr 27, 2:12 AM MDT | Wind Advisory | UNR | 22 hr |
| May 6, 2:14 PM MDT | Special Weather Statement | UNR | 16 min |
| May 11, 5:08 PM MDT | Special Weather Statement | LBF | 52 min |
| May 11, 5:13 PM MDT | Special Weather Statement | UNR | 32 min |
| May 11, 5:34 PM MDT | Special Weather Statement | UNR | 26 min |
| May 17, 11:52 AM MDT | Mesoscale Discussion | SPC | 113 min |
| May 17, 1:21 PM MDT | Special Weather Statement | LBF | 39 min |
| May 28, 6:11 PM MDT | Special Weather Statement | LBF | 34 min |
| May 30, 7:45 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| May 30, 8:37 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jun 9, 5:55 PM MDT | Special Weather Statement | UNR | 50 min |
| Jun 15, 2:10 PM MDT | Special Weather Statement | LBF | 50 min |
| Jun 15, 2:37 PM MDT | Special Weather Statement | LBF | 53 min |
| Jun 20, 2:14 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 20, 2:53 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 4:55 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 5:17 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 23, 7:55 PM MDT | Severe Thunderstorm Warning | UNR | 65 min |
| Jun 23, 8:52 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jun 23, 11:15 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Jun 27, 2:15 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 2:18 AM MDT | Special Weather Statement | LBF | 42 min |
| Jun 27, 3:11 AM MDT | Special Weather Statement | LBF | 49 min |
| Jun 27, 4:30 AM MDT | Special Weather Statement | UNR | 30 min |
| Jun 27, 4:42 AM MDT | Severe Thunderstorm Warning | UNR | 29 min |
| Jun 27, 12:09 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 1:21 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 27, 4:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 27, 7:04 PM MDT | Severe Thunderstorm Warning | UNR | 42 min |
| Jun 27, 7:32 PM MDT | Severe Thunderstorm Warning | UNR | 58 min |
| Jun 27, 7:56 PM MDT | Special Weather Statement | LBF | 49 min |
| Jun 27, 8:10 PM MDT | Severe Thunderstorm Warning | UNR | 65 min |
| Jun 28, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 29, 7:31 PM MDT | Special Weather Statement | LBF | 44 min |
| Jul 3, 2:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 3, 3:03 PM MDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Jul 3, 9:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jul 3, 11:28 PM MDT | Special Weather Statement | LBF | 32 min |
| Jul 11, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 11, 6:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jul 11, 10:34 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 11, 11:10 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 1:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 1:49 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 4:07 PM MDT | Severe Thunderstorm Warning | UNR | 68 min |
| Jul 16, 2:31 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 5:17 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 7:38 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 10:38 PM MDT | Special Weather Statement | UNR | 67 min |
| Jul 17, 10:42 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 1:47 AM MDT | Severe Thunderstorm Warning | UNR | 43 min |
| Jul 23, 4:36 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 4:55 PM MDT | Severe Thunderstorm Warning | UNR | 54 min |
| Jul 23, 5:51 PM MDT | Special Weather Statement | LBF | 24 min |
| Jul 24, 11:57 PM MDT | Special Weather Statement | UNR | 33 min |
| Jul 25, 12:32 AM MDT | Special Weather Statement | UNR | 43 min |
| Jul 25, 12:35 AM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jul 27, 6:10 PM MDT | Special Weather Statement | LBF | 50 min |
| Jul 29, 1:56 AM MDT | Special Weather Statement | UNR | 49 min |
| Jul 29, 2:20 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 12:28 AM MDT | Severe Thunderstorm Warning | UNR | 9 min |
| Jul 30, 1:25 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 30, 7:22 PM MDT | Special Weather Statement | LBF | 38 min |
| Jul 30, 7:59 PM MDT | Special Weather Statement | LBF | 31 min |
| Jul 30, 8:19 PM MDT | Severe Thunderstorm Warning | UNR | 57 min |
| Jul 30, 8:51 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 10:08 PM MDT | Special Weather Statement | UNR | 67 min |
| Aug 1, 6:07 PM MDT | Special Weather Statement | UNR | 38 min |
| Aug 1, 6:46 PM MDT | Special Weather Statement | UNR | 44 min |
| Aug 1, 7:17 PM MDT | Special Weather Statement | UNR | 43 min |
| Aug 1, 7:25 PM MDT | Severe Thunderstorm Warning | UNR | 30 min |
| Aug 1, 7:40 PM MDT | Special Weather Statement | LBF | 50 min |
| Aug 1, 7:46 PM MDT | Special Weather Statement | LBF | 44 min |
| Aug 1, 7:57 PM MDT | Special Weather Statement | UNR | 63 min |
| Aug 1, 8:28 PM MDT | Special Weather Statement | LBF | 32 min |
| Aug 1, 8:32 PM MDT | Areal Flood Advisory | UNR | 11 hr |
| Aug 2, 12:56 AM MDT | Special Weather Statement | UNR | 49 min |
| Aug 2, 2:28 AM MDT | Areal Flood Advisory | UNR | 6 hr |
| Aug 2, 2:03 PM MDT | Flood Watch | UNR | 72 hr |
| Aug 4, 2:22 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Aug 8, 6:56 PM MDT | Severe Thunderstorm Warning | UNR | 52 min |
| Aug 12, 1:56 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 2:41 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 5:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Aug 12, 8:10 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 12, 8:57 PM MDT | Special Weather Statement | UNR | 48 min |
| Aug 12, 9:57 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Aug 12, 10:17 PM MDT | Special Weather Statement | UNR | 43 min |
| Aug 12, 10:56 PM MDT | Severe Thunderstorm Warning | UNR | 57 min |
| Aug 17, 1:30 PM MDT | Heat Advisory | UNR | 30 hr |
| Aug 20, 1:20 PM MDT | Heat Advisory | UNR | 3 days |
| Aug 24, 2:41 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 4:34 PM MDT | Special Weather Statement | UNR | 41 min |
| Aug 24, 5:10 PM MDT | Special Weather Statement | LBF | 50 min |
| Sep 3, 10:55 PM MDT | Special Weather Statement | UNR | 35 min |
| Sep 3, 11:56 PM MDT | Special Weather Statement | UNR | 94 min |
| Sep 9, 1:46 AM MDT | Mesoscale Discussion | SPC | 119 min |
| Sep 29, 1:30 AM MDT | Special Weather Statement | UNR | 45 min |
| Sep 30, 6:03 AM MDT | Dense Fog Advisory | UNR | 5 hr |
| Oct 1, 2:39 AM MDT | Wind Advisory | UNR | 14 hr |
| Oct 2, 6:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Oct 2, 7:31 PM MDT | Special Weather Statement | LBF | 29 min |
| Oct 2, 7:40 PM MDT | Special Weather Statement | UNR | 50 min |
| Oct 2, 8:57 PM MDT | Special Weather Statement | LBF | 33 min |
| Oct 5, 1:46 AM MDT | Freeze Watch | UNR | 33 hr |
| Oct 5, 1:20 PM MDT | Wind Advisory | UNR | 21 hr |
| Oct 6, 2:03 AM MDT | Freeze Warning | UNR | 30 hr |
| Oct 11, 2:07 AM MDT | High Wind Watch | UNR | 12 hr |
| Oct 11, 1:43 PM MDT | Wind Advisory | UNR | 52 hr |
| Oct 11, 10:08 PM MDT | Special Weather Statement | UNR | 52 min |
| Oct 17, 2:20 AM MDT | Wind Advisory | UNR | 37 hr |
| Nov 12, 1:33 PM MST | Wind Advisory | UNR | 33 hr |
| Nov 15, 1:20 PM MST | Wind Advisory | UNR | 25 hr |
| Nov 25, 12:43 PM MST | Wind Advisory | UNR | 24 hr |
| Dec 4, 12:19 AM MST | Wind Advisory | UNR | 17 hr |
| Dec 6, 2:05 AM MST | Wind Advisory | UNR | 4 days |
| Dec 8, 2:06 AM MST | Wind Advisory | UNR | 37 hr |
| Dec 22, 1:49 PM MST | Winter Weather Advisory | UNR | 50 hr |
| Dec 24, 2:08 AM MST | Blizzard Warning | UNR | 66 hr |
| Dec 24, 2:08 AM MST | Winter Storm Watch | UNR | 12 hr |
| Dec 25, 1:43 PM MST | Winter Weather Advisory | UNR | 36 hr |
| Dec 25, 2:31 PM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 25, 6:56 PM MST | Mesoscale Discussion | SPC | 5 hr |
| Dec 31, 2:50 AM MST | Dense Fog Advisory | UNR | 10 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 | 19 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 43 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.