Alert archive / South Dakota / Jackson County
Weather alerts in Jackson County, South Dakota, 2014
127 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jackson County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 127
- Warnings
- 29
- Watches
- 19
- Advisories
- 40
- Busiest month
- June50 alerts
- Busiest day
- June 14, 201412 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Jackson County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 18 | 15 | 17% | 11 | 55% | 20 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 40 min |
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, 9:01 AM MST | Wind Advisory | UNR | 16 hr |
| 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 21, 9:48 AM MST | Wind Advisory | UNR | 8 hr |
| Jan 23, 2:41 AM MST | High Wind Watch | UNR | 25 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 18, 2:46 AM MST | Wind Advisory | UNR | 14 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 |
| Mar 30, 12:32 PM MDT | Blizzard Warning | UNR | 29 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 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 11, 3:26 PM MDT | Wind Advisory | UNR | 27 hr |
| May 25, 4:44 AM MDT | Flash Flood Watch | UNR | 15 hr |
| May 26, 3:49 PM MDT | Special Weather Statement | UNR | 41 min |
| May 27, 1:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 6:18 PM MDT | Flash Flood Watch | UNR | 8 hr |
| May 31, 9:37 PM MDT | Special Weather Statement | UNR | 23 min |
| Jun 3, 2:02 AM MDT | Mesoscale Discussion | SPC | 118 min |
| Jun 3, 6:00 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 8:08 AM MDT | Severe Thunderstorm Warning | UNR | 67 min |
| Jun 3, 8:36 AM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 3, 9:16 AM MDT | Severe Thunderstorm Warning | UNR | 38 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, 6:34 PM MDT | Severe Thunderstorm Warning | UNR | 40 min |
| Jun 4, 8:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| Jun 10, 2:43 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 8:50 PM MDT | Severe Thunderstorm Warning | UNR | 55 min |
| Jun 10, 9:29 PM MDT | Severe Thunderstorm Warning | UNR | 61 min |
| 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, 10:07 PM MDT | Severe Thunderstorm Warning | UNR | 53 min |
| Jun 13, 10:41 PM MDT | Severe Thunderstorm Warning | UNR | 64 min |
| Jun 14, 12:50 AM MDT | Flash Flood Warning | UNR | 6 hr |
| Jun 14, 6:14 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 6:43 AM MDT | Severe Thunderstorm Warning | UNR | 77 min |
| Jun 14, 7:44 AM MDT | Severe Thunderstorm Warning | UNR | 46 min |
| Jun 14, 8:23 AM MDT | Special Weather Statement | UNR | 37 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, 2:51 AM MDT | Areal Flood Warning | UNR | 12 hr |
| Jun 16, 5:34 AM MDT | Special Weather Statement | UNR | 41 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, 2:42 PM MDT | Flash Flood Watch | UNR | 9 hr |
| Jun 17, 5:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jun 18, 3:45 AM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 19, 1:37 PM MDT | Mesoscale Discussion | SPC | 53 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, 4:20 PM MDT | Severe Thunderstorm Warning | UNR | 40 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 27, 3:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 27, 4:17 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 6:41 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jun 27, 7:37 PM MDT | Severe Thunderstorm Warning | UNR | 68 min |
| Jun 27, 9:22 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 30, 2:47 AM MDT | Wind Advisory | UNR | 16 hr |
| Jul 4, 2:43 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jul 5, 4:03 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jul 22, 8:17 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 24, 3:45 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 1, 4:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Aug 7, 6:08 PM MDT | Severe Thunderstorm Warning | UNR | 29 min |
| Aug 7, 6:35 PM MDT | Severe Thunderstorm Warning | UNR | 36 min |
| Aug 13, 1:52 PM MDT | Flash Flood Watch | UNR | 44 hr |
| 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, 4:09 PM MDT | Mesoscale Discussion | SPC | 96 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 27, 3:44 PM MDT | Special Weather Statement | UNR | 46 min |
| Aug 27, 4:27 PM MDT | Special Weather Statement | UNR | 48 min |
| Aug 31, 4:49 PM MDT | Severe Thunderstorm Warning | UNR | 44 min |
| Aug 31, 5:37 PM MDT | Special Weather Statement | UNR | 23 min |
| Sep 1, 1:47 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Sep 7, 2:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Sep 7, 5:09 PM MDT | Special Weather Statement | UNR | 36 min |
| Sep 7, 6:26 PM MDT | Special Weather Statement | UNR | 49 min |
| Sep 11, 11:53 AM MDT | Frost Advisory | UNR | 20 hr |
| Sep 29, 7:00 PM MDT | Special Weather Statement | UNR | 45 min |
| Sep 30, 2:53 AM MDT | Wind Advisory | UNR | 15 hr |
| Oct 2, 2:16 PM MDT | Wind Advisory | UNR | 27 hr |
| Oct 3, 3:47 AM MDT | Freeze Warning | UNR | 27 hr |
| Nov 4, 1:02 PM MST | Wind Advisory | UNR | 27 hr |
| Nov 7, 2:54 AM MST | High Wind Warning | 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 |
| Nov 25, 3:40 AM MST | Wind Advisory | UNR | 23 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 |
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.