Alert archive / Illinois / Stephenson County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Stephenson County, Illinois, 2021

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

Stephenson County and its neighbors

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

Severe Thunderstorm Warnings
11
Busiest month
August5 severe thunderstorm warnings
Busiest day
August 10, 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 20, 8:53 PM CDTSevere Thunderstorm WarningDVN67 min
Jul 14, 11:41 PM CDTSevere Thunderstorm WarningDVN34 min
Jul 15, 12:05 AM CDTSevere Thunderstorm WarningDVN25 min
Jul 29, 1:30 AM CDTSevere Thunderstorm WarningDVN60 min
Aug 10, 5:24 PM CDTSevere Thunderstorm WarningDVN51 min
Aug 10, 5:49 PM CDTSevere Thunderstorm WarningDVN41 min
Aug 10, 6:16 PM CDTSevere Thunderstorm WarningDVN13 min
Aug 24, 4:17 PM CDTSevere Thunderstorm Warning Considerable damage threatDVN58 min
Aug 24, 5:01 PM CDTSevere Thunderstorm WarningDVN59 min
Dec 15, 9:45 PM CSTSevere Thunderstorm Warning Considerable damage threatDVN60 min
Dec 15, 10:17 PM CSTSevere Thunderstorm WarningDVN31 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 10, 20213severe thunderstorm warnings
  2. July 15, 20212severe thunderstorm warnings
  3. August 24, 20212severe thunderstorm warnings
  4. December 16, 20212severe thunderstorm warnings
  5. June 21, 20211severe thunderstorm warnings
  6. July 29, 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.