Alert archive / Iowa / Clay County
Weather alerts in Clay County, Iowa, 2020
122 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clay County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 122
- Warnings
- 38
- Watches
- 14
- Advisories
- 50
- Busiest month
- June20 alerts
- Busiest day
- June 5, 20205 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 3, 9:11 AM CST | Winter Weather Advisory | FSD | 12 hr |
| Jan 4, 2:10 PM CST | Wind Advisory | FSD | 25 hr |
| Jan 13, 4:25 PM CST | Winter Weather Advisory | FSD | 8 hr |
| Jan 14, 2:20 PM CST | Winter Weather Advisory | FSD | 19 hr |
| Jan 15, 2:44 PM CST | Wind Chill Advisory | FSD | 18 hr |
| Jan 15, 2:44 PM CST | Winter Storm Watch | FSD | 37 hr |
| Jan 16, 3:46 AM CST | Winter Weather Advisory | FSD | 8 hr |
| Jan 16, 11:34 AM CST | Winter Storm Warning | FSD | 36 hr |
| Jan 17, 3:57 AM CST | Blizzard Warning | FSD | 38 hr |
| Jan 17, 6:32 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 18, 3:43 AM CST | Wind Chill Advisory | FSD | 32 hr |
| Jan 21, 8:18 PM CST | Winter Weather Advisory | FSD | 20 hr |
| Jan 22, 3:23 PM CST | Dense Fog Advisory | FSD | 21 hr |
| Jan 25, 11:58 PM CST | Dense Fog Advisory | FSD | 12 hr |
| Jan 26, 2:01 PM CST | Winter Weather Advisory | FSD | 19 hr |
| Jan 29, 5:56 PM CST | Dense Fog Advisory | FSD | 42 hr |
| Feb 8, 3:37 AM CST | Winter Weather Advisory | FSD | 32 hr |
| Feb 11, 3:32 PM CST | Winter Weather Advisory | FSD | 26 hr |
| Feb 11, 8:35 PM CST | Wind Chill Warning | FSD | 36 hr |
| Feb 12, 6:02 PM CST | Winter Weather Advisory | FSD | 4 hr |
| Feb 13, 2:55 PM CST | Wind Chill Advisory | FSD | 16 hr |
| Feb 14, 3:18 AM CST | Wind Advisory | FSD | 16 hr |
| Feb 16, 7:58 PM CST | Winter Weather Advisory | FSD | 16 hr |
| Mar 4, 2:33 PM CST | Wind Advisory | FSD | 27 hr |
| Mar 4, 10:51 PM CST | River Flood Warning | FSD | 11 days |
| Mar 5, 9:43 AM CST | River Flood Warning | FSD | 49 hr |
| Mar 7, 6:01 PM CST | River Flood Warning | FSD | 21 days |
| Mar 8, 6:52 AM CDT | River Flood Warning | FSD | 7 days |
| Mar 11, 2:59 AM CDT | Dense Fog Advisory | FSD | 9 hr |
| Mar 18, 9:45 AM CDT | River Flood Warning | FSD | 21 days |
| Mar 18, 9:45 AM CDT | River Flood Warning | FSD | 21 days |
| Mar 18, 3:00 PM CDT | Winter Weather Advisory | FSD | 37 hr |
| Mar 20, 8:32 PM CDT | River Flood Warning | FSD | 40 hr |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | 21 days |
| Mar 27, 11:15 AM CDT | River Flood Warning | FSD | 21 days |
| Mar 27, 3:41 PM CDT | Wind Advisory | FSD | 36 hr |
| Mar 28, 8:43 AM CDT | River Flood Warning | FSD | 4 days |
| Mar 29, 1:36 PM CDT | River Flood Warning | FSD | 21 days |
| Apr 1, 4:42 AM CDT | Winter Weather Advisory | FSD | 53 hr |
| Apr 8, 3:29 PM CDT | Wind Advisory | FSD | 26 hr |
| Apr 10, 3:32 PM CDT | Winter Storm Watch | FSD | 23 hr |
| Apr 11, 3:08 AM CDT | Winter Storm Warning | FSD | 43 hr |
| Apr 19, 3:04 PM CDT | Fire Weather Watch | FSD | 13 hr |
| Apr 20, 4:05 AM CDT | Red Flag Warning | FSD | 15 hr |
| Apr 29, 3:22 AM CDT | Wind Advisory | FSD | 16 hr |
| May 7, 3:49 AM CDT | Freeze Watch | FSD | 12 hr |
| May 7, 3:31 PM CDT | Frost Advisory | FSD | 17 hr |
| May 8, 3:32 AM CDT | Frost Advisory | FSD | 28 hr |
| May 10, 4:20 AM CDT | Freeze Warning | FSD | 28 hr |
| May 11, 9:24 PM CDT | Frost Advisory | FSD | 11 hr |
| May 17, 6:39 PM CDT | River Flood Warning | FSD | 13 days |
| May 18, 9:40 AM CDT | River Flood Warning | FSD | 14 days |
| May 18, 1:57 PM CDT | River Flood Warning | FSD | 12 days |
| May 24, 4:13 AM CDT | Mesoscale Discussion | SPC | 62 min |
| May 26, 10:41 PM CDT | River Flood Warning | FSD | 42 hr |
| Jun 2, 3:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 2, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 4, 5:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 4, 11:20 PM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jun 4, 11:50 PM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jun 5, 12:15 AM CDT | Severe Thunderstorm Warning | FSD | 45 min |
| Jun 5, 1:20 AM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jun 5, 1:38 AM CDT | Severe Thunderstorm Warning | FSD | 37 min |
| Jun 8, 11:36 AM CDT | Wind Advisory | FSD | 7 hr |
| Jun 9, 3:50 AM CDT | Wind Advisory | FSD | 27 hr |
| Jun 9, 7:52 PM CDT | Severe Thunderstorm Warning | FSD | 38 min |
| Jun 9, 8:25 PM CDT | Severe Thunderstorm Warning | FSD | 35 min |
| Jun 11, 10:32 AM CDT | River Flood Warning | FSD | 12 hr |
| Jun 18, 3:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 21, 2:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 21, 4:22 PM CDT | Severe Thunderstorm Warning | FSD | 38 min |
| Jun 21, 4:53 PM CDT | Severe Thunderstorm Warning | FSD | 40 min |
| Jun 21, 6:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 8:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 3, 1:16 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 11:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 11, 1:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 11, 2:32 PM CDT | Severe Thunderstorm Warning | FSD | 28 min |
| Jul 16, 2:34 PM CDT | Heat Advisory | FSD | 29 hr |
| Jul 17, 4:05 AM CDT | Excessive Heat Watch | FSD | 11 hr |
| Jul 17, 9:55 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 17, 2:36 PM CDT | Excessive Heat Warning | FSD | 29 hr |
| Jul 23, 3:03 AM CDT | Heat Advisory | FSD | 66 hr |
| Jul 23, 4:25 PM CDT | Heat Advisory | FSD | 53 hr |
| Aug 9, 10:59 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 6:06 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 14, 1:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 24, 3:54 AM CDT | Heat Advisory | FSD | 17 hr |
| Sep 5, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 5, 11:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 6, 2:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 13, 4:33 AM CDT | Dense Fog Advisory | FSD | 4 hr |
| Sep 29, 2:36 PM CDT | Wind Advisory | FSD | 29 hr |
| Oct 1, 3:12 AM CDT | Frost Advisory | FSD | 29 hr |
| Oct 6, 3:22 AM CDT | Red Flag Warning | FSD | 16 hr |
| Oct 8, 1:31 PM CDT | Red Flag Warning | FSD | 4 hr |
| Oct 11, 12:11 PM CDT | Wind Advisory | FSD | 7 hr |
| Oct 11, 3:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Oct 11, 4:54 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Oct 11, 6:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Oct 11, 6:52 PM CDT | Severe Thunderstorm Warning | FSD | 38 min |
| Oct 11, 9:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Oct 13, 2:40 PM CDT | Wind Advisory | FSD | 31 hr |
| Oct 13, 2:47 PM CDT | Fire Weather Watch | FSD | 14 hr |
| Oct 13, 2:47 PM CDT | Red Flag Warning | FSD | 28 hr |
| Oct 23, 3:10 PM CDT | Winter Weather Advisory | FSD | 58 hr |
| Nov 7, 2:33 PM CST | Wind Advisory | FSD | 27 hr |
| Nov 9, 3:29 PM CST | Winter Weather Advisory | FSD | 30 hr |
| Nov 14, 2:27 PM CST | Wind Advisory | FSD | 25 hr |
| Dec 7, 8:28 AM CST | Dense Fog Advisory | FSD | 4 hr |
| Dec 7, 5:58 PM CST | Dense Fog Advisory | FSD | 12 hr |
| Dec 17, 5:44 PM CST | Dense Fog Advisory | FSD | 9 hr |
| Dec 21, 3:16 AM CST | Wind Advisory | FSD | 13 hr |
| Dec 22, 11:50 AM CST | Winter Weather Advisory | FSD | 15 hr |
| Dec 22, 2:38 PM CST | Blizzard Warning | FSD | 36 hr |
| Dec 23, 9:38 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 24, 2:56 AM CST | Wind Chill Advisory | FSD | 9 hr |
| Dec 27, 7:00 PM CST | Winter Storm Watch | FSD | 8 hr |
| Dec 28, 3:01 AM CST | Winter Weather Advisory | FSD | 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 | 11 |
| Severe Thunderstorm Watch | 7 |
| Mesoscale Discussion | 20 |
| Flooding | |
| River Flood Warning | 16 |
| Winter | |
| Blizzard Warning | 2 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 16 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 14 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.