Alert archive / Illinois / Saint Clair County / Mesoscale Discussions
Mesoscale Discussions in Saint Clair County, Illinois, 2024
27 mesoscale discussions in 2024. 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 2024. Tap one for its archive.
- Mesoscale Discussions
- 27
- Busiest month
- April9 mesoscale discussions
- Busiest day
- March 14, 20245 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 22, 3:27 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 16, 3:04 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Mar 13, 2:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 13, 7:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 14, 7:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 14, 12:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 14, 3:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 14, 5:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 1, 12:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 1, 3:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 1, 6:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 1, 11:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 2, 1:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 15, 3:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 18, 12:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 3:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 6:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 7, 4:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 3:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 24, 6:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 24, 8:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 26, 7:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 16, 8:45 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 16, 12:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 30, 1:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 8:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 30, 3:41 PM CDT | Mesoscale Discussion | SPC | 3 hr |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.