Alert archive / South Dakota / Mellette County
Weather alerts in Mellette County, South Dakota, 2021
117 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mellette County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 117
- Warnings
- 40
- Watches
- 21
- Advisories
- 19
- Busiest month
- August30 alerts
- Busiest day
- August 23, 20218 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 11, 2:23 PM CST | High Wind Watch | UNR | 37 hr |
| Jan 13, 3:14 AM CST | High Wind Warning | UNR | 58 hr |
| Jan 29, 9:49 PM CST | Dense Fog Advisory | UNR | 14 hr |
| Feb 2, 6:55 PM CST | Dense Fog Advisory | UNR | 16 hr |
| Feb 9, 2:32 PM CST | Wind Chill Advisory | UNR | 4 days |
| Feb 11, 2:50 PM CST | Wind Chill Warning | UNR | 5 days |
| Feb 21, 2:41 PM CST | Wind Advisory | UNR | 27 hr |
| Feb 26, 3:00 PM CST | Winter Weather Advisory | UNR | 39 hr |
| Mar 5, 3:20 AM CST | Fire Weather Watch | UNR | 11 hr |
| Mar 5, 1:59 PM CST | Red Flag Warning | UNR | 30 hr |
| Mar 9, 3:08 AM CST | Winter Weather Advisory | UNR | 41 hr |
| Mar 12, 2:44 PM CST | Winter Storm Warning | UNR | 66 hr |
| Mar 14, 12:40 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 14, 6:20 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Mar 27, 2:56 PM CDT | Red Flag Warning | UNR | 3 days |
| Mar 27, 2:56 PM CDT | High Wind Watch | UNR | 24 hr |
| Mar 28, 3:23 AM CDT | High Wind Warning | UNR | 46 hr |
| Mar 28, 3:32 AM CDT | Fire Weather Watch | UNR | 11 hr |
| Mar 29, 3:45 PM CDT | Wind Advisory | UNR | 29 hr |
| Mar 31, 4:01 AM CDT | Fire Weather Watch | UNR | 11 hr |
| Mar 31, 2:37 PM CDT | Red Flag Warning | UNR | 53 hr |
| Apr 3, 3:34 AM CDT | Red Flag Warning | UNR | 16 hr |
| Apr 5, 4:13 AM CDT | Red Flag Warning | UNR | 16 hr |
| Apr 6, 7:47 AM CDT | Special Weather Statement | UNR | 43 min |
| Apr 6, 8:19 AM CDT | Special Weather Statement | UNR | 41 min |
| Apr 10, 3:27 PM CDT | Wind Advisory | UNR | 3 days |
| May 23, 8:12 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 9, 1:06 AM CDT | Special Weather Statement | UNR | 54 min |
| Jun 10, 4:35 AM CDT | Heat Advisory | UNR | 15 hr |
| Jun 10, 8:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 10, 9:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 10, 11:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 11, 12:12 AM CDT | Severe Thunderstorm Warning | UNR | 63 min |
| Jun 11, 1:15 AM CDT | Severe Thunderstorm Warning | UNR | 60 min |
| Jun 11, 2:14 AM CDT | Severe Thunderstorm Warning | UNR | 91 min |
| Jun 14, 12:45 AM CDT | Special Weather Statement | UNR | 30 min |
| Jun 19, 10:02 PM CDT | Special Weather Statement | UNR | 58 min |
| Jul 3, 4:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 6:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 5, 1:04 PM CDT | Special Weather Statement | UNR | 26 min |
| Jul 5, 1:31 PM CDT | Special Weather Statement | UNR | 14 min |
| Jul 5, 1:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 8, 11:25 PM CDT | Severe Thunderstorm Warning | UNR | 65 min |
| Jul 9, 12:20 AM CDT | Severe Thunderstorm Warning | UNR | 40 min |
| Jul 14, 1:44 AM CDT | Special Weather Statement | UNR | 61 min |
| Jul 16, 4:55 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 16, 8:18 PM CDT | Severe Thunderstorm Warning | UNR | 57 min |
| Jul 16, 9:19 PM CDT | Special Weather Statement | UNR | 41 min |
| Jul 25, 3:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 25, 5:50 PM CDT | Special Weather Statement | UNR | 40 min |
| Jul 25, 7:22 PM CDT | Special Weather Statement | UNR | 53 min |
| Jul 25, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | 61 min |
| Jul 25, 8:31 PM CDT | Special Weather Statement | UNR | 44 min |
| Jul 26, 3:03 AM CDT | Heat Advisory | UNR | 66 hr |
| Jul 31, 5:23 AM CDT | Dense Fog Advisory | UNR | 5 hr |
| Aug 6, 6:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 6, 7:21 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 6, 8:56 PM CDT | Severe Thunderstorm Warning | UNR | 64 min |
| Aug 6, 9:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 9:30 PM CDT | Severe Thunderstorm Warning | UNR | 75 min |
| Aug 14, 4:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 14, 6:34 PM CDT | Severe Thunderstorm Warning | UNR | 41 min |
| Aug 14, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | 33 min |
| Aug 16, 2:41 PM CDT | Fire Weather Watch | UNR | 13 hr |
| Aug 16, 2:41 PM CDT | Red Flag Warning | UNR | 30 hr |
| Aug 22, 6:21 AM CDT | Special Weather Statement | UNR | 84 min |
| Aug 22, 7:43 AM CDT | Special Weather Statement | UNR | 92 min |
| Aug 23, 2:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 23, 2:56 PM CDT | Special Weather Statement | UNR | 34 min |
| Aug 23, 3:45 PM CDT | Severe Thunderstorm Warning | UNR | 24 min |
| Aug 23, 4:58 PM CDT | Special Weather Statement | UNR | 47 min |
| Aug 23, 5:01 PM CDT | Severe Thunderstorm Warning | UNR | 59 min |
| Aug 23, 5:20 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 23, 5:55 PM CDT | Severe Thunderstorm Warning | UNR | 65 min |
| Aug 23, 6:28 PM CDT | Areal Flood Advisory | UNR | 5 hr |
| Aug 23, 7:02 PM CDT | Special Weather Statement | UNR | 43 min |
| Aug 23, 7:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 7:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 30, 7:25 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 30, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 31, 12:29 AM CDT | Severe Thunderstorm Warning | UNR | 61 min |
| Aug 31, 1:02 AM CDT | Severe Thunderstorm Warning | UNR | 58 min |
| Aug 31, 1:19 AM CDT | Severe Thunderstorm Warning | UNR | 56 min |
| Aug 31, 1:57 AM CDT | Severe Thunderstorm Warning | UNR | 63 min |
| Sep 1, 5:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 6:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 1, 9:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 1, 11:16 PM CDT | Special Weather Statement | UNR | 44 min |
| Sep 1, 11:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 2, 12:22 AM CDT | Special Weather Statement | UNR | 38 min |
| Sep 2, 12:48 AM CDT | Areal Flood Advisory | UNR | 6 hr |
| Sep 2, 4:00 AM CDT | Flash Flood Warning | UNR | 3 hr |
| Sep 19, 3:36 AM CDT | Wind Advisory | UNR | 23 hr |
| Oct 9, 5:50 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Oct 12, 3:03 PM CDT | High Wind Warning | UNR | 29 hr |
| Oct 13, 3:45 PM CDT | Freeze Warning | UNR | 18 hr |
| Oct 28, 9:55 AM CDT | Wind Advisory | UNR | 7 hr |
| Nov 10, 9:03 AM CST | High Wind Watch | UNR | 5 hr |
| Nov 10, 9:03 AM CST | High Wind Warning | UNR | 39 hr |
| Nov 11, 9:57 PM CST | Wind Advisory | UNR | 16 hr |
| Nov 13, 3:05 AM CST | High Wind Warning | UNR | 18 hr |
| Nov 13, 3:05 AM CST | Wind Advisory | UNR | 18 hr |
| Nov 15, 2:46 AM CST | Fire Weather Watch | UNR | 13 hr |
| Nov 15, 3:28 PM CST | Red Flag Warning | UNR | 27 hr |
| Nov 16, 3:41 PM CST | Wind Advisory | UNR | 26 hr |
| Nov 22, 2:05 AM CST | Fire Weather Watch | UNR | 12 hr |
| Nov 22, 2:25 PM CST | Red Flag Warning | UNR | 28 hr |
| Dec 4, 3:00 AM CST | High Wind Watch | UNR | 12 hr |
| Dec 4, 3:04 PM CST | High Wind Warning | UNR | 27 hr |
| Dec 7, 2:54 PM CST | Winter Storm Watch | UNR | 36 hr |
| Dec 9, 3:10 AM CST | Winter Storm Warning | UNR | 39 hr |
| Dec 10, 2:39 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 14, 3:33 AM CST | High Wind Warning | UNR | 42 hr |
| Dec 14, 2:45 PM CST | Winter Weather Advisory | UNR | 30 hr |
| Dec 15, 4:00 PM CST | Snow Squall Warning | UNR | 60 min |
| Dec 15, 5:01 PM CST | Snow Squall Warning | UNR | 44 min |
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 | 18 |
| Severe Thunderstorm Watch | 10 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 19 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 7 |
| High Wind Watch | 4 |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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. Rebuilt daily.