Alert archive / Illinois / Saint Clair County / 2020
Weather alerts in Saint Clair County, Illinois, April 2020
9 weather alerts in April 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 9
- Warnings
- 0
- Watches
- 2
- Advisories
- 3
- Busiest day
- April 28, 20203 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 8, 1:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 8, 3:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 12, 3:15 AM CDT | Wind Advisory | LSX | 31 hr |
| Apr 17, 11:46 AM CDT | Frost Advisory | LSX | 20 hr |
| Apr 24, 3:06 AM CDT | Dense Fog Advisory | LSX | 6 hr |
| Apr 28, 3:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 28, 3:51 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 6:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 28, 9:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
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 Watch | 2 |
| Mesoscale Discussion | 4 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog 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.