Alert archive / Illinois / Severe Thunderstorm Warnings / 2002

Severe Thunderstorm Warnings in Illinois, September 2002

5 severe thunderstorm warnings in September 2002. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in September 2002. Tap one for its archive.

Severe Thunderstorm Warnings
5
Busiest day
September 18, 20022 severe thunderstorm warnings

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.

IssuedProductOfficeCountiesLasted
Sep 18, 3:38 PM CDTSevere Thunderstorm WarningDVNCarroll, Whiteside52 min
Sep 18, 4:25 PM CDTSevere Thunderstorm WarningLOTOgle50 min
Sep 19, 12:25 PM CDTSevere Thunderstorm WarningLOTBoone, Winnebago35 min
Sep 19, 1:02 PM CDTSevere Thunderstorm WarningLOTMcHenry43 min
Sep 29, 4:13 AM CDTSevere Thunderstorm WarningLOTBoone, McHenry32 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20012003

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.