Alert archive / Iowa / Johnson County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Johnson County, Iowa, 2004

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

Johnson County and its neighbors

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

Severe Thunderstorm Warnings
11
Busiest month
May6 severe thunderstorm warnings
Busiest day
May 7, 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
Apr 20, 6:13 PM CDTSevere Thunderstorm WarningDVN62 min
May 7, 6:54 AM CDTSevere Thunderstorm WarningDVN36 min
May 7, 10:35 AM CDTSevere Thunderstorm WarningDVN55 min
May 17, 8:10 PM CDTSevere Thunderstorm WarningDVN20 min
May 20, 7:13 PM CDTSevere Thunderstorm WarningDVN62 min
May 23, 1:39 AM CDTSevere Thunderstorm WarningDVN51 min
May 30, 3:32 PM CDTSevere Thunderstorm WarningDVN58 min
Aug 3, 6:09 PM CDTSevere Thunderstorm WarningDVN66 min
Aug 26, 11:16 PM CDTSevere Thunderstorm WarningDVN59 min
Aug 27, 8:51 PM CDTSevere Thunderstorm WarningDVN54 min
Oct 29, 8:48 PM CDTSevere Thunderstorm WarningDVN57 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 7, 20042severe thunderstorm warnings
  2. April 20, 20041severe thunderstorm warnings
  3. May 18, 20041severe thunderstorm warnings
  4. May 21, 20041severe thunderstorm warnings
  5. May 23, 20041severe thunderstorm warnings
  6. May 30, 20041severe thunderstorm warnings
  7. August 3, 20041severe thunderstorm warnings
  8. August 27, 20041severe thunderstorm warnings
  9. August 28, 20041severe thunderstorm warnings
  10. October 30, 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.