Alert archive / South Dakota / Bennett County
Weather alerts in Bennett County, South Dakota, 2014
128 weather alerts in 2014, 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 2014. Tap one for its archive.
- Alerts
- 128
- Warnings
- 28
- Watches
- 19
- Advisories
- 38
- Busiest month
- June47 alerts
- Busiest day
- June 14, 201410 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, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 20 | 14 | 30% | 11 | 82% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Rapid City, SD: tornado warnings | 11 | 5 | 55% | 10 | 50% | 7 min |
| NWS Rapid City, SD: severe thunderstorm warnings | 277 | 214 | 23% | 385 | 86% | 22 min |
| NWS Rapid City, SD: flash flood warnings | 10 | 5 | 50% | 8 | 75% | 68 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, 3:02 PM MST | Wind Chill Warning | UNR | 69 hr |
| Jan 12, 2:49 PM MST | High Wind Watch | UNR | 13 hr |
| Jan 13, 3:43 AM MST | Wind Advisory | UNR | 35 hr |
| Jan 14, 3:22 PM MST | High Wind Watch | UNR | 22 hr |
| Jan 15, 1:41 PM MST | High Wind Warning | UNR | 28 hr |
| Jan 17, 2:39 PM MST | Wind Advisory | UNR | 22 hr |
| Jan 19, 2:29 PM MST | Wind Advisory | UNR | 24 hr |
| Jan 20, 2:56 AM MST | High Wind Warning | UNR | 12 hr |
| Jan 24, 3:36 AM MST | Wind Advisory | UNR | 20 hr |
| Jan 25, 3:37 AM MST | High Wind Watch | UNR | 5 hr |
| Jan 25, 9:03 AM MST | High Wind Warning | UNR | 35 hr |
| Jan 26, 1:37 PM MST | Wind Chill Advisory | UNR | 19 hr |
| Feb 4, 3:13 AM MST | Wind Chill Advisory | UNR | 57 hr |
| Feb 6, 7:36 PM MST | Wind Chill Advisory | UNR | 13 hr |
| Feb 19, 2:23 PM MST | Wind Advisory | UNR | 27 hr |
| Feb 28, 3:51 AM MST | Winter Weather Advisory | UNR | 37 hr |
| Feb 28, 2:32 PM MST | Wind Chill Advisory | UNR | 44 hr |
| Mar 2, 2:20 PM MST | Wind Chill Advisory | UNR | 18 hr |
| Mar 17, 3:18 AM MDT | Winter Weather Advisory | UNR | 30 hr |
| Mar 29, 3:56 AM MDT | Winter Storm Watch | UNR | 25 hr |
| Mar 30, 5:06 AM MDT | Winter Storm Warning | UNR | 37 hr |
| Apr 2, 7:30 AM MDT | Winter Weather Advisory | UNR | 11 hr |
| Apr 27, 1:41 PM MDT | Wind Advisory | UNR | 30 hr |
| Apr 27, 3:46 PM MDT | Winter Weather Advisory | UNR | 19 hr |
| Apr 28, 10:33 AM MDT | Winter Weather Advisory | UNR | 19 hr |
| Apr 28, 10:43 AM MDT | Wind Advisory | UNR | 9 hr |
| Apr 29, 3:44 AM MDT | Wind Advisory | UNR | 14 hr |
| Apr 29, 6:08 PM MDT | Wind Advisory | UNR | 24 hr |
| May 10, 2:26 AM MDT | Winter Storm Watch | UNR | 12 hr |
| May 10, 2:53 PM MDT | Winter Weather Advisory | UNR | 20 hr |
| May 11, 3:26 PM MDT | Wind Advisory | UNR | 27 hr |
| May 19, 2:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 25, 4:44 AM MDT | Flash Flood Watch | UNR | 15 hr |
| May 30, 2:12 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 30, 6:18 PM MDT | Flash Flood Watch | UNR | 8 hr |
| Jun 3, 2:02 AM MDT | Mesoscale Discussion | SPC | 118 min |
| Jun 3, 3:31 AM MDT | Special Weather Statement | UNR | 59 min |
| Jun 3, 3:32 AM MDT | Special Weather Statement | UNR | 58 min |
| Jun 3, 4:23 AM MDT | Special Weather Statement | UNR | 67 min |
| Jun 3, 6:00 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 8:36 AM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 3, 5:07 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jun 4, 5:12 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 4, 6:16 PM MDT | Severe Thunderstorm Warning | UNR | 59 min |
| Jun 4, 8:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jun 6, 11:48 AM MDT | Severe Thunderstorm Warning | UNR | 57 min |
| Jun 6, 12:11 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 12:46 PM MDT | Severe Thunderstorm Warning | UNR | 59 min |
| Jun 6, 12:49 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 6, 1:15 PM MDT | Areal Flood Advisory | UNR | 4 hr |
| Jun 6, 2:32 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jun 10, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 3:33 AM MDT | Wind Advisory | UNR | 11 hr |
| Jun 13, 2:09 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 13, 6:11 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 8:26 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 13, 8:28 PM MDT | Severe Thunderstorm Warning | UNR | 62 min |
| Jun 13, 9:24 PM MDT | Severe Thunderstorm Warning | UNR | 66 min |
| Jun 13, 9:52 PM MDT | Special Weather Statement | UNR | 38 min |
| Jun 13, 10:07 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jun 13, 10:41 PM MDT | Severe Thunderstorm Warning | UNR | 64 min |
| Jun 14, 9:59 AM MDT | Special Weather Statement | UNR | 61 min |
| Jun 14, 10:23 AM MDT | Areal Flood Advisory | UNR | 6 hr |
| Jun 14, 10:32 AM MDT | Severe Thunderstorm Warning | UNR | 58 min |
| Jun 16, 3:03 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jun 17, 12:31 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 17, 2:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 17, 5:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 21, 1:23 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jun 21, 1:56 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 21, 3:57 PM MDT | Severe Thunderstorm Warning | UNR | 63 min |
| Jun 21, 4:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 24, 2:48 PM MDT | Flash Flood Watch | UNR | 3 days |
| Jun 25, 12:58 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 8:15 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 26, 11:53 PM MDT | Special Weather Statement | UNR | 67 min |
| Jun 27, 3:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 27, 4:17 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 5:34 PM MDT | Severe Thunderstorm Warning | UNR | 47 min |
| Jun 27, 6:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 27, 9:22 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 28, 2:57 PM MDT | Special Weather Statement | UNR | 48 min |
| Jul 4, 2:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 7, 2:33 PM MDT | Special Weather Statement | UNR | 27 min |
| Jul 9, 7:21 AM MDT | Special Weather Statement | UNR | 39 min |
| Jul 19, 2:00 AM MDT | Special Weather Statement | UNR | 60 min |
| Jul 22, 8:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 23, 2:19 AM MDT | Mesoscale Discussion | SPC | 116 min |
| Jul 24, 3:45 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 4:46 PM MDT | Severe Thunderstorm Warning | UNR | 44 min |
| Jul 24, 6:13 PM MDT | Severe Thunderstorm Warning | UNR | 22 min |
| Aug 4, 10:32 PM MDT | Areal Flood Advisory | UNR | 6 hr |
| Aug 7, 6:15 PM MDT | Special Weather Statement | UNR | 45 min |
| Aug 7, 6:30 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Aug 7, 7:06 PM MDT | Severe Thunderstorm Warning | UNR | 40 min |
| Aug 7, 7:24 PM MDT | Severe Thunderstorm Warning | UNR | 22 min |
| Aug 8, 1:30 PM MDT | Severe Thunderstorm Warning | UNR | 60 min |
| Aug 8, 1:41 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 1:52 PM MDT | Flash Flood Watch | UNR | 44 hr |
| Aug 17, 12:33 PM MDT | Special Weather Statement | UNR | 42 min |
| Aug 17, 12:56 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Aug 17, 1:21 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 17, 1:30 PM MDT | Severe Thunderstorm Warning | UNR | 37 min |
| Aug 17, 4:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Aug 17, 5:43 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 19, 8:09 PM MDT | Special Weather Statement | UNR | 66 min |
| Aug 22, 9:46 PM MDT | Flood Watch | UNR | 23 hr |
| Aug 26, 7:36 PM MDT | Severe Thunderstorm Warning | UNR | 54 min |
| Aug 31, 4:49 PM MDT | Severe Thunderstorm Warning | UNR | 44 min |
| Sep 1, 1:47 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Sep 1, 4:51 PM MDT | Special Weather Statement | UNR | 24 min |
| Sep 7, 2:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Sep 11, 11:53 AM MDT | Frost Advisory | UNR | 20 hr |
| Sep 30, 2:53 AM MDT | Wind Advisory | UNR | 15 hr |
| Oct 3, 3:47 AM MDT | Freeze Warning | UNR | 27 hr |
| Nov 7, 2:54 AM MST | Wind Advisory | UNR | 15 hr |
| Nov 9, 3:16 AM MST | Winter Weather Advisory | UNR | 36 hr |
| Nov 14, 2:55 AM MST | Winter Weather Advisory | UNR | 35 hr |
| Nov 15, 2:46 PM MST | Winter Weather Advisory | UNR | 36 hr |
| Nov 22, 2:50 PM MST | Wind Advisory | UNR | 29 hr |
| Dec 14, 3:29 AM MST | Winter Weather Advisory | UNR | 38 hr |
| Dec 21, 2:55 PM MST | Winter Storm Warning | UNR | 48 hr |
| Dec 21, 2:55 PM MST | Winter Weather Advisory | UNR | 45 hr |
| Dec 24, 2:02 PM MST | Winter Weather Advisory | UNR | 33 hr |
| Dec 28, 3:34 AM MST | Winter Weather Advisory | UNR | 29 hr |
| Dec 29, 3:40 AM MST | Wind Chill Advisory | UNR | 31 hr |
| Dec 30, 2:30 PM MST | Wind Chill Advisory | UNR | 18 hr |
| Dec 30, 6:09 PM MST | Wind Chill Warning | UNR | 14 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 archive20132015
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.