Alert archive / Illinois / Saint Clair County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Saint Clair County, Illinois, 2017

20 severe thunderstorm warnings in 2017. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Saint Clair County and its neighbors

Each county as a circle sized by its count in 2017. Tap one for its archive.

Severe Thunderstorm Warnings
20
Busiest month
March4 severe thunderstorm warnings
Busiest day
February 28, 20173 severe thunderstorm warnings

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.

IssuedProductOfficeLasted
Feb 28, 5:10 PM CSTSevere Thunderstorm WarningLSX33 min
Feb 28, 5:29 PM CSTSevere Thunderstorm WarningLSX46 min
Feb 28, 5:36 PM CSTSevere Thunderstorm WarningLSX39 min
Feb 28, 6:14 PM CSTSevere Thunderstorm WarningLSX46 min
Mar 1, 2:15 AM CSTSevere Thunderstorm WarningLSX34 min
Mar 7, 12:48 AM CSTSevere Thunderstorm WarningLSX57 min
Mar 7, 1:35 AM CSTSevere Thunderstorm WarningLSX43 min
Apr 5, 12:20 AM CDTSevere Thunderstorm WarningLSX40 min
Apr 26, 1:54 PM CDTSevere Thunderstorm WarningLSX51 min
May 19, 5:13 AM CDTSevere Thunderstorm WarningLSX62 min
Jun 18, 2:08 AM CDTSevere Thunderstorm WarningLSX37 min
Jul 16, 9:39 PM CDTSevere Thunderstorm WarningLSX36 min
Jul 23, 3:19 AM CDTSevere Thunderstorm WarningLSX41 min
Jul 23, 3:48 AM CDTSevere Thunderstorm WarningLSX42 min
Sep 4, 6:53 PM CDTSevere Thunderstorm WarningLSX82 min
Sep 4, 7:55 PM CDTSevere Thunderstorm WarningLSX41 min
Oct 9, 7:18 PM CDTSevere Thunderstorm WarningLSX42 min
Nov 5, 2:27 PM CSTSevere Thunderstorm WarningLSX48 min
Nov 5, 2:57 PM CSTSevere Thunderstorm WarningLSX48 min
Nov 5, 4:07 PM CSTSevere Thunderstorm WarningLSX38 min

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20162018

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.