Alert archive / Illinois / Brown County
Weather alerts in Brown County, Illinois, 2023
87 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Brown County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 87
- Warnings
- 24
- Watches
- 15
- Advisories
- 17
- Busiest month
- April15 alerts
- Busiest day
- March 31, 202311 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 1, 11:43 PM CST | Dense Fog Advisory | LSX | 15 hr |
| Jan 23, 2:12 PM CST | Winter Weather Advisory | LSX | 45 hr |
| Feb 13, 2:12 PM CST | Wind Advisory | LSX | 30 hr |
| Feb 15, 2:58 AM CST | Winter Weather Advisory | LSX | 39 hr |
| Feb 24, 2:47 PM CST | Winter Weather Advisory | LSX | 13 hr |
| Feb 26, 1:27 AM CST | Wind Advisory | LSX | 41 hr |
| Feb 27, 1:43 AM CST | Mesoscale Discussion | SPC | 62 min |
| Feb 28, 10:48 AM CST | River Flood Warning | ILX | 48 days |
| Mar 22, 6:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 30, 3:03 AM CDT | Wind Advisory | LSX | 58 hr |
| Mar 31, 8:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 31, 10:37 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 31, 11:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 31, 11:46 AM CDT | Tornado Watch | SPC | 8 hr |
| Mar 31, 1:15 PM CDT | Severe Thunderstorm Warning | LSX | 23 min |
| Mar 31, 1:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Mar 31, 3:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 31, 4:35 PM CDT | Tornado Warning | LSX | 40 min |
| Mar 31, 5:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 31, 5:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 5:40 PM CDT | High Wind Warning | LSX | 3 hr |
| Apr 3, 2:28 PM CDT | Wind Advisory | LSX | 41 hr |
| Apr 4, 5:24 PM CDT | Severe Thunderstorm Warning | LSX | 31 min |
| Apr 4, 6:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 5, 2:27 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 5, 3:27 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 6, 2:41 PM CDT | Frost Advisory | LSX | 18 hr |
| Apr 6, 9:13 PM CDT | Freeze Warning | LSX | 12 hr |
| Apr 19, 11:48 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 20, 12:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 20, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 20, 3:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 21, 2:50 AM CDT | Freeze Watch | LSX | 25 hr |
| Apr 22, 3:57 AM CDT | Freeze Warning | LSX | 29 hr |
| Apr 22, 2:45 PM CDT | Freeze Watch | LSX | 12 hr |
| Apr 23, 2:41 AM CDT | Freeze Warning | LSX | 29 hr |
| May 6, 8:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 6, 9:00 PM CDT | Tornado Watch | SPC | 5 hr |
| May 6, 11:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 7, 7:21 PM CDT | Severe Thunderstorm Warning | LSX | 9 min |
| May 7, 8:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 7, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 11:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 14, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 24, 5:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 24, 6:28 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 24, 8:09 PM CDT | Severe Thunderstorm Warning | LSX | 31 min |
| Jun 24, 8:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 24, 9:05 PM CDT | Severe Thunderstorm Warning | LSX | 28 min |
| Jun 29, 5:49 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 29, 10:06 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 29, 10:51 AM CDT | Severe Thunderstorm Warning | LSX | 39 min |
| Jun 29, 11:20 AM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Jul 1, 2:39 AM CDT | Areal Flood Advisory | LSX | 17 min |
| Jul 1, 2:53 AM CDT | Severe Thunderstorm Warning | LSX | 39 min |
| Jul 1, 2:56 AM CDT | Flash Flood Warning | LSX | 2 hr |
| Jul 5, 12:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jul 5, 1:29 PM CDT | Severe Thunderstorm Warning | LSX | 18 min |
| Jul 14, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 4:41 PM CDT | Severe Thunderstorm Warning | LSX | 19 min |
| Jul 25, 1:09 PM CDT | Heat Advisory | LSX | 4 days |
| Jul 26, 11:59 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 3:05 AM CDT | Excessive Heat Warning | LSX | 62 hr |
| Jul 29, 11:28 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 4, 2:00 PM CDT | Flood Watch | LSX | 14 hr |
| Aug 6, 1:26 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 6, 2:57 PM CDT | Tornado Warning | LSX | 63 min |
| Aug 6, 3:16 PM CDT | Tornado Watch | SPC | 9 hr |
| Aug 6, 3:27 PM CDT | Tornado Warning | LSX | 48 min |
| Aug 6, 4:01 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 6, 4:33 PM CDT | Tornado Warning | LSX | 13 min |
| Aug 6, 6:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 10, 1:05 AM CDT | Dense Fog Advisory | LSX | 8 hr |
| Aug 11, 7:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 12, 1:42 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 12, 2:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 18, 2:51 AM CDT | Excessive Heat Watch | LSX | 25 hr |
| Aug 19, 3:24 AM CDT | Excessive Heat Warning | LSX | 7 days |
| Aug 26, 12:41 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 12, 2:31 AM CDT | Dense Fog Advisory | LSX | 6 hr |
| Sep 26, 4:20 PM CDT | Severe Thunderstorm Warning | LSX | 40 min |
| Oct 13, 5:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Oct 28, 2:16 PM CDT | Freeze Warning | LSX | 44 hr |
| Nov 25, 2:33 AM CST | Winter Weather Advisory | LSX | 30 hr |
| Dec 22, 8:40 PM CST | Dense Fog Advisory | LSX | 12 hr |
| Dec 24, 1:19 AM CST | Dense Fog Advisory | LSX | 8 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 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 31 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.