Alert archive / Illinois / Madison County / 2021
Weather alerts in Madison County, Illinois, August 2021
16 weather alerts in August 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 16
- Warnings
- 5
- Watches
- 2
- Advisories
- 4
- Busiest day
- August 8, 20214 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, 11:40 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 8, 12:44 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 8, 2:37 PM CDT | Heat Advisory | LSX | 4 days |
| Aug 8, 3:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 3:20 AM CDT | Excessive Heat Warning | LSX | 65 hr |
| Aug 10, 10:45 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 12, 5:19 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 12, 5:28 PM CDT | Areal Flood Advisory | LSX | 4 hr |
| Aug 12, 6:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 12, 6:37 PM CDT | Severe Thunderstorm Warning | LSX | 53 min |
| Aug 12, 7:14 PM CDT | Severe Thunderstorm Warning | LSX | 61 min |
| Aug 12, 7:40 PM CDT | Flash Flood Warning | LSX | 4 hr |
| Aug 22, 2:59 PM CDT | Heat Advisory | LSX | 6 days |
| Aug 23, 2:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 30, 2:38 PM CDT | Areal Flood Advisory | LSX | 3 hr |
| Aug 30, 2:54 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 | 2 |
| Mesoscale Discussion | 5 |
| Flooding | |
| Flash Flood Warning | 2 |
| Areal Flood Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.