Alert archive / Illinois / Williamson County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Williamson County, Illinois, 2011

21 severe thunderstorm warnings in 2011. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Williamson County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Severe Thunderstorm Warnings
21
Busiest month
April8 severe thunderstorm warnings
Busiest day
May 23, 20114 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 27, 8:53 PM CSTSevere Thunderstorm WarningPAH25 min
Feb 27, 9:23 PM CSTSevere Thunderstorm WarningPAH37 min
Feb 28, 2:02 AM CSTSevere Thunderstorm WarningPAH28 min
Apr 15, 5:20 PM CDTSevere Thunderstorm WarningPAH25 min
Apr 15, 5:40 PM CDTSevere Thunderstorm WarningPAH50 min
Apr 15, 6:26 PM CDTSevere Thunderstorm WarningPAH34 min
Apr 19, 8:15 PM CDTSevere Thunderstorm WarningPAH60 min
Apr 23, 12:55 AM CDTSevere Thunderstorm WarningPAH50 min
Apr 25, 12:06 AM CDTSevere Thunderstorm WarningPAH17 min
Apr 25, 7:45 PM CDTSevere Thunderstorm WarningPAH45 min
Apr 27, 2:33 PM CDTSevere Thunderstorm WarningPAH27 min
May 22, 11:43 PM CDTSevere Thunderstorm WarningPAH32 min
May 23, 2:09 PM CDTSevere Thunderstorm WarningPAH25 min
May 23, 4:31 PM CDTSevere Thunderstorm WarningPAH29 min
May 23, 4:40 PM CDTSevere Thunderstorm WarningPAH40 min
Jun 17, 1:45 PM CDTSevere Thunderstorm WarningPAH45 min
Jun 17, 2:16 PM CDTSevere Thunderstorm WarningPAH16 min
Jun 18, 7:56 AM CDTSevere Thunderstorm WarningPAH49 min
Jun 19, 3:41 AM CDTSevere Thunderstorm WarningPAH49 min
Jun 19, 4:21 AM CDTSevere Thunderstorm WarningPAH39 min
Nov 14, 3:48 PM CSTSevere Thunderstorm WarningPAH42 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 23, 20114severe thunderstorm warnings
  2. February 28, 20113severe thunderstorm warnings
  3. April 15, 20113severe thunderstorm warnings
  4. June 17, 20112severe thunderstorm warnings
  5. June 19, 20112severe thunderstorm warnings
  6. April 20, 20111severe thunderstorm warnings
  7. April 23, 20111severe thunderstorm warnings
  8. April 25, 20111severe thunderstorm warnings
  9. April 26, 20111severe thunderstorm warnings
  10. April 27, 20111severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20102012

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.