Alert archive / Illinois / Grundy County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Grundy County, Illinois, 2004

17 severe thunderstorm warnings in 2004. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Grundy County and its neighbors

Each county as a circle sized by its count in 2004. Tap one for its archive.

Severe Thunderstorm Warnings
17
Busiest month
May9 severe thunderstorm warnings
Busiest day
May 22, 20042 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
May 7, 6:12 AM CDTSevere Thunderstorm WarningLOT48 min
May 9, 6:36 PM CDTSevere Thunderstorm WarningLOT39 min
May 13, 5:44 PM CDTSevere Thunderstorm WarningLOT31 min
May 20, 10:42 PM CDTSevere Thunderstorm WarningLOT48 min
May 22, 12:36 PM CDTSevere Thunderstorm WarningLOT39 min
May 22, 6:23 PM CDTSevere Thunderstorm WarningLOT37 min
May 23, 8:15 PM CDTSevere Thunderstorm WarningLOT30 min
May 30, 10:00 AM CDTSevere Thunderstorm WarningLOT60 min
May 30, 11:02 AM CDTSevere Thunderstorm WarningLOT58 min
Jun 11, 10:37 PM CDTSevere Thunderstorm WarningLOT23 min
Jun 11, 11:09 PM CDTSevere Thunderstorm WarningLOT41 min
Jul 22, 1:23 PM CDTSevere Thunderstorm WarningLOT37 min
Aug 3, 9:53 PM CDTSevere Thunderstorm WarningLOT52 min
Aug 17, 6:09 PM CDTSevere Thunderstorm WarningLOT66 min
Aug 24, 12:35 PM CDTSevere Thunderstorm WarningLOT40 min
Aug 28, 1:40 AM CDTSevere Thunderstorm WarningLOT50 min
Aug 28, 2:31 AM CDTSevere Thunderstorm WarningLOT44 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 22, 20042severe thunderstorm warnings
  2. May 30, 20042severe thunderstorm warnings
  3. June 12, 20042severe thunderstorm warnings
  4. August 28, 20042severe thunderstorm warnings
  5. May 7, 20041severe thunderstorm warnings
  6. May 9, 20041severe thunderstorm warnings
  7. May 13, 20041severe thunderstorm warnings
  8. May 21, 20041severe thunderstorm warnings
  9. May 24, 20041severe thunderstorm warnings
  10. July 22, 20041severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20032005

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. Warning verification from the Mesonet's Cow. Rebuilt daily.