Alert archive / Illinois / Saint Clair County / 2020
Weather alerts in Saint Clair County, Illinois, August 2020
21 weather alerts in August 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 21
- Warnings
- 12
- Watches
- 3
- Advisories
- 4
- Busiest day
- August 10, 20206 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 |
|---|---|---|---|
| Aug 8, 2:18 PM CDT | Flash Flood Watch | LSX | 20 hr |
| Aug 9, 2:41 AM CDT | Flash Flood Warning | LSX | 6 hr |
| Aug 9, 9:55 AM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 9, 10:23 AM CDT | Flash Flood Warning | LSX | 4 hr |
| Aug 9, 1:54 PM CDT | Heat Advisory | LSX | 29 hr |
| Aug 9, 2:07 PM CDT | Areal Flood Warning | LSX | 3 hr |
| Aug 10, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 10, 5:16 PM CDT | Severe Thunderstorm Warning | LSX | 59 min |
| Aug 10, 5:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 10, 5:59 PM CDT | Severe Thunderstorm Warning | LSX | 61 min |
| Aug 10, 6:24 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 12, 9:41 AM CDT | Flash Flood Warning | LSX | 5 hr |
| Aug 12, 10:19 AM CDT | Flash Flood Warning | LSX | 4 hr |
| Aug 12, 11:18 AM CDT | Flash Flood Warning | LSX | 3 hr |
| Aug 12, 11:47 AM CDT | Flash Flood Warning | LSX | 6 hr |
| Aug 12, 2:57 PM CDT | Areal Flood Warning | LSX | 3 hr |
| Aug 13, 9:49 AM CDT | Flash Flood Watch | LSX | 9 hr |
| Aug 13, 12:17 PM CDT | Flash Flood Warning | LSX | 6 hr |
| Aug 15, 9:15 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 15, 9:19 PM CDT | Flash Flood Warning | LSX | 3 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 | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 8 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.