Alert archive / Iowa / Harrison County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Harrison County, Iowa, 2021

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

Harrison County and its neighbors

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

Severe Thunderstorm Warnings
22
Busiest month
July7 severe thunderstorm warnings
Busiest day
July 10, 20216 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 5, 1:28 AM CDTSevere Thunderstorm WarningOAX32 min
May 2, 6:55 PM CDTSevere Thunderstorm WarningOAX50 min
May 2, 7:21 PM CDTSevere Thunderstorm WarningOAX39 min
May 2, 7:42 PM CDTSevere Thunderstorm WarningOAX48 min
May 2, 9:38 PM CDTSevere Thunderstorm WarningOAX28 min
Jun 11, 7:50 AM CDTSevere Thunderstorm WarningOAX40 min
Jun 24, 2:15 AM CDTSevere Thunderstorm WarningOAX60 min
Jul 9, 1:14 AM CDTSevere Thunderstorm WarningOAX31 min
Jul 9, 11:02 PM CDTSevere Thunderstorm WarningOAX29 min
Jul 9, 11:19 PM CDTSevere Thunderstorm WarningOAX41 min
Jul 9, 11:30 PM CDTSevere Thunderstorm WarningOAX45 min
Jul 9, 11:38 PM CDTSevere Thunderstorm WarningOAX52 min
Jul 10, 1:56 PM CDTSevere Thunderstorm WarningOAX64 min
Jul 10, 2:18 PM CDTSevere Thunderstorm WarningOAX42 min
Aug 26, 6:26 AM CDTSevere Thunderstorm WarningOAX34 min
Aug 26, 6:51 AM CDTSevere Thunderstorm WarningOAX24 min
Aug 26, 7:19 AM CDTSevere Thunderstorm Warning Considerable damage threatOAX26 min
Aug 26, 7:42 AM CDTSevere Thunderstorm Warning Considerable damage threatOAX33 min
Aug 31, 12:15 AM CDTSevere Thunderstorm WarningOAX26 min
Dec 15, 3:35 PM CSTSevere Thunderstorm Warning Destructive damage threatOAX70 min
Dec 15, 3:41 PM CSTSevere Thunderstorm Warning Destructive damage threatOAX64 min
Dec 15, 3:55 PM CSTSevere Thunderstorm Warning Destructive damage threatOAX80 min

The busiest days

Days with the most alerts issued, by UTC date.

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.