Alert archive / Illinois / Saint Clair County
Weather alerts in Saint Clair County, Illinois, 1999
20 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Saint Clair County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 20
- Warnings
- 11
- Watches
- 9
- Advisories
- 0
- Busiest month
- February5 alerts
- Busiest day
- February 27, 19994 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 |
|---|---|---|---|
| Feb 11, 2:30 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 27, 11:34 AM CST | Severe Thunderstorm Warning | LSX | 66 min |
| Feb 27, 11:51 AM CST | Tornado Warning | LSX | 49 min |
| Feb 27, 12:15 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Feb 27, 12:49 PM CST | Severe Thunderstorm Warning | LSX | 46 min |
| Apr 5, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 8, 8:00 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 10, 7:30 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 10, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| May 5, 6:23 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| May 17, 2:25 PM CDT | Severe Thunderstorm Warning | LSX | 35 min |
| Jun 1, 5:30 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 4, 6:52 PM CDT | Severe Thunderstorm Warning | LSX | 63 min |
| Jun 11, 3:56 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Jun 13, 2:20 AM CDT | Flash Flood Warning | LSX | 5 hr |
| Jun 28, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 9, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | 54 min |
| Jul 9, 7:51 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Aug 13, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 23, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 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 | 9 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 5 |
| Flooding | |
| Flash Flood Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.