Alert archive / Illinois / Saint Clair County / Mesoscale Discussions
Mesoscale Discussions in Saint Clair County, Illinois, 2023
35 mesoscale discussions in 2023. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.
Saint Clair County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Mesoscale Discussions
- 35
- Busiest month
- July10 mesoscale discussions
- Busiest day
- April 15, 20235 mesoscale discussions
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, 2:06 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 24, 11:44 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 22, 12:04 PM CST | Mesoscale Discussion | SPC | 56 min |
| Feb 22, 2:27 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 27, 1:43 AM CST | Mesoscale Discussion | SPC | 62 min |
| Mar 31, 8:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 31, 12:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 15, 8:50 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 15, 11:39 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 15, 3:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 15, 5:07 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 15, 6:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 20, 3:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 20, 5:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 7, 1:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 6:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 2:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 13, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 6:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 12:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 14, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 30, 2:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 1, 2:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 5, 1:07 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 4:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 16, 4:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 17, 2:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 11:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 8:58 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 26, 11:59 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 2:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 12, 2:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 12, 5:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 27, 4:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.