Alert archive / Illinois / Saint Clair County / 2024
Weather alerts in Saint Clair County, Illinois, April 2024
29 weather alerts in April 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 29
- Warnings
- 11
- Watches
- 4
- Advisories
- 5
- Busiest day
- April 18, 20249 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Apr 1, 12:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 1, 3:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 1, 4:49 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 1, 6:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 1, 10:37 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 1, 11:26 PM CDT | Severe Thunderstorm Warning | LSX | 20 min |
| Apr 1, 11:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 2, 1:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 2, 1:18 AM CDT | Severe Thunderstorm Warning | LSX | 42 min |
| Apr 2, 1:57 AM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Apr 2, 2:43 AM CDT | Flash Flood Warning | LSX | 4 hr |
| Apr 5, 2:33 AM CDT | Frost Advisory | LSX | 29 hr |
| Apr 15, 3:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 16, 2:48 PM CDT | Wind Advisory | LSX | 6 hr |
| Apr 16, 3:21 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 18, 12:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 18, 3:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | 65 min |
| Apr 18, 5:39 PM CDT | Severe Thunderstorm Warning | LSX | 66 min |
| Apr 18, 5:49 PM CDT | Tornado Warning | LSX | 41 min |
| Apr 18, 6:10 PM CDT | Tornado Warning | LSX | 65 min |
| Apr 18, 6:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 18, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | 77 min |
| Apr 21, 1:54 PM CDT | Frost Advisory | LSX | 18 hr |
| Apr 23, 11:49 PM CDT | Dense Fog Advisory | LSX | 4 hr |
| Apr 29, 2:02 AM CDT | Severe Thunderstorm Warning | LSX | 43 min |
| Apr 29, 11:46 AM CDT | River Flood Warning | LSX | 6 days |
| Apr 29, 11:04 PM CDT | Dense Fog Advisory | LSX | 10 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 | 7 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 9 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 1 |
| Cold | |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.