Alert archive / Illinois / Saint Clair County / 2021
Weather alerts in Saint Clair County, Illinois, March 2021
18 weather alerts in March 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 18
- Warnings
- 11
- Watches
- 2
- Advisories
- 3
- Busiest day
- March 28, 20217 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 |
|---|---|---|---|
| Mar 10, 3:11 AM CST | Wind Advisory | LSX | 15 hr |
| Mar 11, 3:27 AM CST | Flood Watch | LSX | 55 hr |
| Mar 16, 12:58 AM CDT | Dense Fog Advisory | LSX | 9 hr |
| Mar 17, 9:35 PM CDT | River Flood Warning | LSX | 4 days |
| Mar 23, 11:02 PM CDT | Severe Thunderstorm Warning | LSX | 43 min |
| Mar 25, 3:16 AM CDT | Wind Advisory | LSX | 21 hr |
| Mar 27, 4:44 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 27, 6:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 27, 6:56 PM CDT | Severe Thunderstorm Warning | LSX | 49 min |
| Mar 27, 7:03 PM CDT | Tornado Warning | LSX | 42 min |
| Mar 27, 7:06 PM CDT | Severe Thunderstorm Warning | LSX | 39 min |
| Mar 27, 7:13 PM CDT | Tornado Warning | LSX | 47 min |
| Mar 27, 7:27 PM CDT | Severe Thunderstorm Warning | LSX | 48 min |
| Mar 27, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | 47 min |
| Mar 27, 7:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Mar 27, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | 64 min |
| Mar 30, 2:43 PM CDT | Freeze Warning | LSX | 42 hr |
| Mar 31, 2:44 PM CDT | Freeze Warning | LSX | 42 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 | 6 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 2 |
| Flooding | |
| River Flood Warning | 1 |
| Flood Watch | 1 |
| Cold | |
| Freeze Warning | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
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.