Alert archive / Illinois / Union County
Weather alerts in Union County, Illinois, 2020
127 weather alerts in 2020, 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 2020. Tap one for its archive.
- Alerts
- 127
- Warnings
- 35
- Watches
- 23
- Advisories
- 38
- Busiest month
- March25 alerts
- Busiest day
- March 3, 20206 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 8, 2:59 PM CST | Flash Flood Watch | PAH | 3 days |
| Jan 10, 2:47 AM CST | Wind Advisory | PAH | 39 hr |
| Jan 10, 8:54 AM CST | Areal Flood Warning | PAH | 6 hr |
| Jan 10, 11:59 AM CST | River Flood Warning | PAH | 11 days |
| Jan 11, 1:51 AM CST | Severe Thunderstorm Warning | PAH | 39 min |
| Jan 11, 2:19 AM CST | Severe Thunderstorm Warning | PAH | 41 min |
| Jan 11, 3:09 AM CST | Flash Flood Warning | PAH | 8 hr |
| Jan 11, 11:26 AM CST | Areal Flood Warning | PAH | 12 hr |
| Jan 14, 9:27 PM CST | Dense Fog Advisory | PAH | 4 hr |
| Jan 29, 7:19 AM CST | Winter Weather Advisory | PAH | 4 hr |
| Feb 11, 10:28 AM CST | Flash Flood Watch | PAH | 34 hr |
| Mar 2, 3:54 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 2, 5:21 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 2, 6:39 PM CST | Mesoscale Discussion | SPC | 96 min |
| Mar 2, 7:37 PM CST | Special Weather Statement | PAH | 38 min |
| Mar 2, 8:07 PM CST | Severe Thunderstorm Warning | PAH | 38 min |
| Mar 2, 9:00 PM CST | Mesoscale Discussion | SPC | 90 min |
| Mar 2, 10:00 PM CST | Flash Flood Warning | PAH | 6 hr |
| Mar 3, 5:46 AM CST | River Flood Warning | PAH | 64 days |
| Mar 12, 2:39 AM CDT | Dense Fog Advisory | PAH | 7 hr |
| Mar 12, 11:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 11:44 AM CDT | Tornado Watch | SPC | 6 hr |
| Mar 12, 1:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 1:39 PM CDT | Severe Thunderstorm Warning | PAH | 51 min |
| Mar 12, 3:44 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 18, 11:10 PM CDT | Dense Fog Advisory | PAH | 8 hr |
| Mar 19, 2:36 AM CDT | Flash Flood Watch | PAH | 25 hr |
| Mar 19, 11:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Mar 19, 3:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 19, 4:06 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 19, 9:50 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 27, 8:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 28, 1:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 28, 3:53 PM CDT | Tornado Watch | SPC | 5 hr |
| Mar 28, 5:59 PM CDT | Areal Flood Advisory | PAH | 2 hr |
| Mar 28, 6:25 PM CDT | Severe Thunderstorm Warning | PAH | 50 min |
| Apr 8, 3:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 8, 4:24 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 8, 6:31 PM CDT | Severe Thunderstorm Warning | PAH | 44 min |
| Apr 8, 6:56 PM CDT | Severe Thunderstorm Warning | PAH | 23 min |
| Apr 8, 7:28 PM CDT | Severe Thunderstorm Warning | PAH | 21 min |
| Apr 8, 7:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 8, 7:55 PM CDT | Severe Thunderstorm Warning | PAH | 50 min |
| Apr 8, 8:13 PM CDT | Flash Flood Warning | PAH | 3 hr |
| Apr 8, 8:40 PM CDT | Severe Thunderstorm Warning | PAH | 20 min |
| Apr 8, 8:57 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Apr 12, 3:21 AM CDT | Wind Advisory | PAH | 31 hr |
| Apr 13, 5:57 PM CDT | Freeze Watch | PAH | 9 hr |
| Apr 14, 2:27 AM CDT | Freeze Warning | PAH | 30 hr |
| Apr 15, 1:32 PM CDT | Frost Advisory | PAH | 17 hr |
| Apr 17, 2:27 AM CDT | Frost Advisory | PAH | 30 hr |
| Apr 24, 3:00 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Apr 28, 6:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 28, 7:35 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 3, 11:44 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 5, 2:15 AM CDT | Lake Wind Advisory | PAH | 17 hr |
| May 6, 2:53 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| May 8, 3:59 AM CDT | Frost Advisory | PAH | 28 hr |
| May 8, 3:59 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| May 9, 3:13 PM CDT | Lake Wind Advisory | PAH | 27 hr |
| May 14, 3:25 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| May 17, 11:29 AM CDT | River Flood Warning | PAH | 31 days |
| May 24, 6:53 PM CDT | Severe Thunderstorm Warning | PAH | 22 min |
| May 24, 8:23 PM CDT | Areal Flood Advisory | PAH | 7 hr |
| May 24, 9:31 PM CDT | Flash Flood Warning | PAH | 3 hr |
| May 25, 6:33 PM CDT | Severe Thunderstorm Warning | PAH | 19 min |
| Jun 4, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 2:00 AM CDT | Wind Advisory | PAH | 17 hr |
| Jun 10, 4:08 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| Jun 20, 2:49 PM CDT | Special Weather Statement | PAH | 26 min |
| Jun 26, 2:27 AM CDT | Lake Wind Advisory | PAH | 19 hr |
| Jun 27, 9:20 AM CDT | Lake Wind Advisory | PAH | 11 hr |
| Jun 27, 11:04 PM CDT | Special Weather Statement | PAH | 41 min |
| Jun 28, 12:02 AM CDT | Areal Flood Advisory | PAH | 118 min |
| Jun 28, 12:12 AM CDT | Special Weather Statement | PAH | 48 min |
| Jun 28, 1:02 AM CDT | Special Weather Statement | PAH | 43 min |
| Jun 28, 1:19 AM CDT | Flash Flood Warning | PAH | 3 hr |
| Jun 30, 3:26 AM CDT | Flash Flood Watch | PAH | 40 hr |
| Jun 30, 4:39 AM CDT | Flash Flood Warning | PAH | 6 hr |
| Jun 30, 1:46 PM CDT | Flash Flood Warning | PAH | 6 hr |
| Jun 30, 4:56 PM CDT | Special Weather Statement | PAH | 49 min |
| Jun 30, 5:10 PM CDT | Severe Thunderstorm Warning | PAH | 50 min |
| Jun 30, 5:27 PM CDT | Severe Thunderstorm Warning | PAH | 48 min |
| Jun 30, 7:40 PM CDT | Areal Flood Warning | PAH | 12 hr |
| Jul 2, 5:05 AM CDT | Dense Fog Advisory | PAH | 3 hr |
| Jul 15, 6:12 PM CDT | Tornado Watch | SPC | 5 hr |
| Jul 15, 8:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 15, 8:52 PM CDT | Severe Thunderstorm Warning | PAH | 38 min |
| Jul 15, 9:12 PM CDT | Special Weather Statement | PAH | 48 min |
| Jul 17, 3:10 AM CDT | Heat Advisory | PAH | 64 hr |
| Jul 17, 3:15 PM CDT | Flash Flood Warning | PAH | 3 hr |
| Jul 17, 4:04 PM CDT | Flash Flood Warning | PAH | 2 hr |
| Jul 17, 4:14 PM CDT | Special Weather Statement | PAH | 46 min |
| Jul 20, 12:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 1:58 PM CDT | Flash Flood Watch | PAH | 5 hr |
| Jul 22, 11:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 5:46 PM CDT | Areal Flood Advisory | PAH | 119 min |
| Jul 30, 1:52 AM CDT | Flash Flood Watch | PAH | 22 hr |
| Jul 30, 8:23 PM CDT | Special Weather Statement | PAH | 37 min |
| Jul 31, 3:32 AM CDT | Flash Flood Watch | PAH | 20 hr |
| Aug 3, 5:11 PM CDT | Special Weather Statement | PAH | 49 min |
| Aug 3, 5:45 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Aug 9, 1:58 PM CDT | Heat Advisory | PAH | 29 hr |
| Aug 10, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 6:31 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 10, 7:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 10, 8:00 PM CDT | Special Weather Statement | PAH | 60 min |
| Aug 12, 11:33 AM CDT | Flash Flood Watch | PAH | 7 hr |
| Aug 13, 10:56 AM CDT | Flash Flood Watch | PAH | 9 hr |
| Aug 22, 3:25 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Aug 23, 4:08 AM CDT | Dense Fog Advisory | PAH | 5 hr |
| Aug 31, 12:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 31, 3:29 PM CDT | Areal Flood Advisory | PAH | 2 hr |
| Sep 12, 6:41 AM CDT | Dense Fog Advisory | PAH | 2 hr |
| Sep 30, 9:47 AM CDT | Lake Wind Advisory | PAH | 7 hr |
| Oct 4, 2:00 AM CDT | Frost Advisory | PAH | 30 hr |
| Oct 15, 2:58 AM CDT | Frost Advisory | PAH | 30 hr |
| Oct 16, 3:25 PM CDT | Red Flag Warning | PAH | 28 hr |
| Oct 23, 1:30 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 23, 2:08 PM CDT | Severe Thunderstorm Warning | PAH | 22 min |
| Oct 28, 2:25 AM CDT | Flood Watch | PAH | 32 hr |
| Oct 29, 2:05 AM CDT | Areal Flood Advisory | PAH | 3 hr |
| Oct 30, 1:47 PM CDT | Freeze Watch | PAH | 37 hr |
| Nov 1, 2:14 AM CST | Freeze Warning | PAH | 30 hr |
| Nov 14, 3:16 AM CST | Wind Advisory | PAH | 39 hr |
| Nov 19, 3:07 AM CST | Red Flag Warning | PAH | 15 hr |
| Dec 4, 8:21 AM CST | Dense Fog Advisory | PAH | 86 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 | 16 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 11 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 9 |
| River Flood Warning | 3 |
| Flash Flood Watch | 9 |
| Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Frost Advisory | 5 |
| Wind and dust | |
| Lake Wind Advisory | 9 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
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.