Alert archive / Iowa / Union County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Union County, Iowa, 2021

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

Union County and its neighbors

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

Severe Thunderstorm Warnings
15
Busiest month
June6 severe thunderstorm warnings
Busiest day
June 19, 20214 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
Mar 10, 5:18 PM CSTSevere Thunderstorm WarningDMX24 min
Jun 18, 10:06 PM CDTSevere Thunderstorm WarningDMX39 min
Jun 18, 10:43 PM CDTSevere Thunderstorm WarningDMX47 min
Jun 18, 11:37 PM CDTSevere Thunderstorm WarningDMX53 min
Jun 18, 11:59 PM CDTSevere Thunderstorm WarningDMX46 min
Jun 20, 4:20 PM CDTSevere Thunderstorm WarningDMX55 min
Jun 20, 4:53 PM CDTSevere Thunderstorm WarningDMX52 min
Jul 9, 8:09 AM CDTSevere Thunderstorm WarningDMX28 min
Jul 9, 9:31 PM CDTSevere Thunderstorm WarningDMX15 min
Jul 10, 12:41 AM CDTSevere Thunderstorm WarningDMX64 min
Jul 30, 9:38 PM CDTSevere Thunderstorm WarningDMX37 min
Jul 30, 9:52 PM CDTSevere Thunderstorm WarningDMX34 min
Sep 20, 3:38 PM CDTSevere Thunderstorm WarningDMX52 min
Dec 15, 4:13 PM CSTSevere Thunderstorm Warning Destructive damage threatDMX77 min
Dec 15, 5:22 PM CSTSevere Thunderstorm Warning Considerable damage threatDMX68 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 19, 20214severe thunderstorm warnings
  2. June 20, 20212severe thunderstorm warnings
  3. July 10, 20212severe thunderstorm warnings
  4. July 31, 20212severe thunderstorm warnings
  5. December 15, 20212severe thunderstorm warnings
  6. March 10, 20211severe thunderstorm warnings
  7. July 9, 20211severe thunderstorm warnings
  8. September 20, 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.