Alert archive / Iowa / Tornado Warnings

Tornado Warnings in Iowa, 1986

51 tornado warnings in 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in 1986. Tap one for its archive.

Tornado Warnings
51
Busiest month
July22 tornado warnings
Busiest day
July 29, 198613 tornado 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.

IssuedProductOfficeCountiesLasted
Apr 4, 4:00 PM CSTTornado WarningDMXSac40 min
Apr 4, 4:40 PM CSTTornado WarningDMXSac15 min
Apr 26, 6:38 PM CSTTornado WarningFSDLyon, Osceola37 min
Apr 26, 6:46 PM CSTTornado WarningFSDLyon, Osceola29 min
Apr 26, 6:55 PM CSTTornado WarningFSDLyon, Osceola35 min
May 8, 4:44 PM CDTTornado WarningDMXPolk36 min
May 8, 5:04 PM CDTTornado WarningDMXJasper16 min
May 9, 7:15 PM CDTTornado WarningDMXDallas, Polk30 min
May 9, 7:45 PM CDTTornado WarningDMXDallas, Polk30 min
May 9, 7:58 PM CDTTornado WarningDMXWebster32 min
May 9, 8:16 PM CDTTornado WarningDMXDallas, Polk44 min
May 9, 8:47 PM CDTTornado WarningDMXBoone43 min
May 9, 9:02 PM CDTTornado WarningDMXDallas, Polk28 min
May 12, 5:15 PM CDTTornado WarningOAXPottawattamie30 min
May 12, 5:36 PM CDTTornado WarningOAXMills39 min
May 12, 6:10 PM CDTTornado WarningOAXHarrison35 min
May 12, 6:30 PM CDTTornado WarningOAXMills30 min
Jun 10, 7:02 PM CDTTornado WarningFSDO'Brien28 min
Jun 29, 11:50 PM CDTTornado WarningDMXPolk25 min
Jul 8, 9:05 PM CDTTornado WarningDMXPoweshiek25 min
Jul 8, 9:39 PM CDTTornado WarningDMXRinggold, Taylor26 min
Jul 8, 10:31 PM CDTTornado WarningDMXDecatur29 min
Jul 13, 8:25 PM CDTTornado WarningDMXCass55 min
Jul 13, 10:20 PM CDTTornado WarningDMXAudubon, Cass30 min
Jul 19, 5:57 PM CDTTornado WarningDVNDes Moines, Henry43 min
Jul 28, 6:51 PM CDTTornado WarningFSDWoodbury39 min
Jul 28, 7:16 PM CDTTornado WarningFSDSioux29 min
Jul 28, 7:22 PM CDTTornado WarningFSDWoodbury38 min
Jul 28, 7:43 PM CDTTornado WarningFSDO'Brien62 min
Jul 28, 7:48 PM CDTTornado WarningDMXClay32 min
Jul 28, 7:57 PM CDTTornado WarningDMXBuena Vista, Pocahontas58 min
Jul 28, 8:03 PM CDTTornado WarningFSDMonona, Woodbury27 min
Jul 28, 8:07 PM CDTTornado WarningDMXBuena Vista48 min
Jul 28, 8:18 PM CDTTornado WarningFSDCherokee47 min
Jul 28, 8:34 PM CDTTornado WarningFSDMonona26 min
Jul 28, 9:10 PM CDTTornado WarningDMXCrawford20 min
Jul 28, 9:34 PM CDTTornado WarningDMXCarroll, Crawford56 min
Jul 28, 10:27 PM CDTTornado WarningDMXJasper, Polk53 min
Jul 28, 11:38 PM CDTTornado WarningDMXAdair, Union97 min
Jul 30, 11:26 PM CDTTornado WarningOAXMontgomery34 min
Jul 31, 12:05 AM CDTTornado WarningDMXTaylor40 min
Sep 26, 8:17 PM CDTTornado WarningDMXHamilton, Hardin28 min
Sep 26, 8:47 PM CDTTornado WarningDMXWebster, Wright23 min
Sep 28, 5:24 PM CDTTornado WarningFSDSioux36 min
Sep 28, 5:51 PM CDTTornado WarningDMXJasper, Marshall24 min
Sep 28, 6:18 PM CDTTornado WarningDMXJasper22 min
Sep 28, 6:56 PM CDTTornado WarningDMXTama34 min
Sep 28, 7:12 PM CDTTornado WarningDMXClay33 min
Sep 28, 7:15 PM CDTTornado WarningDMXWebster30 min
Sep 28, 8:51 PM CDTTornado WarningDMXPolk29 min
Sep 28, 9:17 PM CDTTornado WarningDMXJasper33 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 29, 198613tornado warnings
  2. May 10, 19866tornado warnings
  3. May 12, 19864tornado warnings
  4. September 28, 19864tornado warnings
  5. September 29, 19864tornado warnings
  6. April 27, 19863tornado warnings
  7. July 9, 19863tornado warnings
  8. April 4, 19862tornado warnings
  9. May 8, 19862tornado warnings
  10. July 14, 19862tornado warnings
  11. July 31, 19862tornado warnings
  12. September 27, 19862tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive1987

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.