Alert archive / Iowa / Union County
Weather alerts in Union County, Iowa, 2021
104 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 104
- Warnings
- 26
- Watches
- 18
- Advisories
- 34
- Busiest month
- June24 alerts
- Busiest day
- June 19, 20216 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 2, 2:12 PM CST | Dense Fog Advisory | DMX | 22 hr |
| Jan 3, 2:40 PM CST | Dense Fog Advisory | DMX | 21 hr |
| Jan 13, 3:24 PM CST | Wind Advisory | DMX | 33 hr |
| Jan 13, 3:49 PM CST | Winter Weather Advisory | DMX | 50 hr |
| Jan 14, 4:04 AM CST | Blizzard Warning | DMX | 35 hr |
| Jan 23, 3:27 PM CST | Winter Storm Watch | DMX | 12 hr |
| Jan 24, 3:17 AM CST | Winter Storm Warning | DMX | 57 hr |
| Jan 25, 10:41 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 25, 3:26 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 2, 1:36 AM CST | Dense Fog Advisory | DMX | 9 hr |
| Feb 2, 8:51 PM CST | Dense Fog Advisory | DMX | 12 hr |
| Feb 3, 3:35 AM CST | Winter Weather Advisory | DMX | 48 hr |
| Feb 5, 2:42 PM CST | Winter Weather Advisory | DMX | 27 hr |
| Feb 7, 3:02 AM CST | Winter Weather Advisory | DMX | 12 hr |
| Feb 8, 2:22 PM CST | Wind Chill Advisory | DMX | 19 hr |
| Feb 11, 2:56 PM CST | Wind Chill Advisory | DMX | 45 hr |
| Feb 12, 4:04 AM CST | Wind Chill Advisory | DMX | 32 hr |
| Feb 13, 3:52 AM CST | Wind Chill Warning | DMX | 3 days |
| Feb 20, 3:32 AM CST | Winter Weather Advisory | DMX | 40 hr |
| Mar 7, 2:27 AM CST | Red Flag Warning | DMX | 16 hr |
| Mar 10, 3:55 AM CST | Wind Advisory | DMX | 20 hr |
| Mar 10, 2:15 PM CST | High Wind Warning | DMX | 4 hr |
| Mar 10, 5:18 PM CST | Severe Thunderstorm Warning | DMX | 24 min |
| Mar 13, 3:09 PM CST | Wind Advisory | DMX | 27 hr |
| Mar 16, 1:06 AM CDT | Dense Fog Advisory | DMX | 8 hr |
| Mar 17, 4:49 AM CDT | Dense Fog Advisory | DMX | 4 hr |
| Mar 21, 2:28 AM CDT | Wind Advisory | DMX | 14 hr |
| Mar 28, 4:22 AM CDT | Fire Weather Watch | DMX | 11 hr |
| Mar 28, 2:52 PM CDT | Red Flag Warning | DMX | 29 hr |
| Mar 28, 3:02 PM CDT | Wind Advisory | DMX | 29 hr |
| Apr 2, 10:50 AM CDT | Red Flag Warning | DMX | 9 hr |
| Apr 13, 2:51 PM CDT | Frost Advisory | DMX | 17 hr |
| Apr 14, 3:14 PM CDT | Frost Advisory | DMX | 17 hr |
| Apr 19, 3:28 AM CDT | Freeze Watch | DMX | 11 hr |
| Apr 19, 2:56 PM CDT | Freeze Warning | DMX | 18 hr |
| Apr 19, 2:56 PM CDT | Freeze Warning | DMX | 42 hr |
| Apr 21, 3:34 AM CDT | Freeze Warning | DMX | 29 hr |
| May 16, 3:13 AM CDT | Dense Fog Advisory | DMX | 5 hr |
| Jun 1, 1:27 AM CDT | Dense Fog Advisory | DMX | 8 hr |
| Jun 16, 3:34 PM CDT | Heat Advisory | DMX | 28 hr |
| Jun 16, 9:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 16, 10:05 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 16, 11:31 PM CDT | Special Weather Statement | DMX | 59 min |
| Jun 16, 11:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 18, 9:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 10:06 PM CDT | Severe Thunderstorm Warning | DMX | 39 min |
| Jun 18, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 18, 10:43 PM CDT | Severe Thunderstorm Warning | DMX | 47 min |
| Jun 18, 11:37 PM CDT | Severe Thunderstorm Warning | DMX | 53 min |
| Jun 18, 11:59 PM CDT | Severe Thunderstorm Warning | DMX | 46 min |
| Jun 19, 11:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 20, 3:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 20, 2:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 20, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 20, 4:20 PM CDT | Severe Thunderstorm Warning | DMX | 55 min |
| Jun 20, 4:53 PM CDT | Severe Thunderstorm Warning | DMX | 52 min |
| Jun 22, 3:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 6:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 24, 2:20 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 5:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 24, 6:33 PM CDT | Tornado Watch | SPC | 3 hr |
| Jun 24, 6:55 PM CDT | Flash Flood Watch | DMX | 12 hr |
| Jul 9, 8:09 AM CDT | Severe Thunderstorm Warning | DMX | 28 min |
| Jul 9, 9:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 9:31 PM CDT | Severe Thunderstorm Warning | DMX | 15 min |
| Jul 9, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 12:41 AM CDT | Severe Thunderstorm Warning | DMX | 64 min |
| Jul 23, 3:17 AM CDT | Heat Advisory | DMX | 41 hr |
| Jul 26, 3:33 AM CDT | Excessive Heat Watch | DMX | 36 hr |
| Jul 27, 3:04 PM CDT | Heat Advisory | DMX | 52 hr |
| Jul 30, 3:19 PM CDT | Flash Flood Watch | DMX | 15 hr |
| Jul 30, 8:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 30, 9:38 PM CDT | Severe Thunderstorm Warning | DMX | 37 min |
| Jul 30, 9:52 PM CDT | Severe Thunderstorm Warning | DMX | 34 min |
| Aug 7, 9:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 7, 11:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 8, 12:51 AM CDT | Special Weather Statement | DMX | 54 min |
| Aug 8, 3:39 PM CDT | Heat Advisory | DMX | 51 hr |
| Aug 10, 12:56 PM CDT | Heat Advisory | DMX | 30 hr |
| Aug 10, 1:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 23, 3:13 PM CDT | Heat Advisory | DMX | 28 hr |
| Aug 25, 3:12 AM CDT | Special Weather Statement | DMX | 63 min |
| Aug 26, 3:30 AM CDT | Heat Advisory | DMX | 17 hr |
| Aug 26, 9:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 31, 12:35 AM CDT | Special Weather Statement | DMX | 70 min |
| Sep 20, 12:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 20, 2:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 20, 3:38 PM CDT | Severe Thunderstorm Warning | DMX | 52 min |
| Sep 20, 3:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 21, 2:49 AM CDT | Frost Advisory | DMX | 30 hr |
| Oct 23, 9:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Nov 10, 1:55 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Nov 10, 3:46 PM CST | Mesoscale Discussion | SPC | 119 min |
| Dec 13, 3:40 AM CST | High Wind Watch | DMX | 24 hr |
| Dec 14, 4:09 AM CST | High Wind Warning | DMX | 47 hr |
| Dec 15, 12:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 15, 1:23 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 15, 3:55 PM CST | Mesoscale Discussion | SPC | 95 min |
| Dec 15, 4:13 PM CST | Severe Thunderstorm Warning | DMX | 77 min |
| Dec 15, 5:16 PM CST | Mesoscale Discussion | SPC | 119 min |
| Dec 15, 5:22 PM CST | Severe Thunderstorm Warning | DMX | 68 min |
| Dec 15, 11:52 PM CST | Wind Advisory | DMX | 6 hr |
| Dec 24, 4:05 AM CST | Dense Fog Advisory | DMX | 8 hr |
| Dec 30, 9:07 PM CST | Dense Fog Advisory | DMX | 21 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 | 15 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Watch | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 3 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
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.