Alert archive / Illinois / DeKalb County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in DeKalb County, Illinois, 2021

14 severe thunderstorm warnings in 2021. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

DeKalb County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Severe Thunderstorm Warnings
14
Busiest month
August7 severe thunderstorm warnings
Busiest day
August 11, 20213 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
Jun 11, 3:36 PM CDTSevere Thunderstorm WarningLOT54 min
Jun 20, 10:12 PM CDTSevere Thunderstorm WarningLOT33 min
Jun 20, 10:50 PM CDTSevere Thunderstorm WarningLOT55 min
Jul 15, 1:01 AM CDTSevere Thunderstorm WarningLOT33 min
Jul 29, 2:14 AM CDTSevere Thunderstorm WarningLOT76 min
Aug 9, 3:14 PM CDTSevere Thunderstorm WarningLOT61 min
Aug 10, 6:10 PM CDTSevere Thunderstorm WarningLOT65 min
Aug 10, 6:16 PM CDTSevere Thunderstorm WarningLOT74 min
Aug 10, 7:13 PM CDTSevere Thunderstorm WarningLOT47 min
Aug 11, 8:41 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT49 min
Aug 11, 9:35 AM CDTSevere Thunderstorm WarningLOT42 min
Aug 24, 6:09 PM CDTSevere Thunderstorm WarningLOT66 min
Sep 7, 1:23 PM CDTSevere Thunderstorm WarningLOT67 min
Oct 11, 6:44 PM CDTSevere Thunderstorm WarningLOT61 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 11, 20213severe thunderstorm warnings
  2. June 21, 20212severe thunderstorm warnings
  3. August 10, 20212severe thunderstorm warnings
  4. June 11, 20211severe thunderstorm warnings
  5. July 15, 20211severe thunderstorm warnings
  6. July 29, 20211severe thunderstorm warnings
  7. August 9, 20211severe thunderstorm warnings
  8. August 24, 20211severe thunderstorm warnings
  9. September 7, 20211severe thunderstorm warnings
  10. October 11, 20211severe thunderstorm warnings

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.