Alert archive / Iowa / Tornado Warnings

Tornado Warnings in Iowa, 2012

26 tornado warnings in 2012. 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 2012. Tap one for its archive.

Tornado Warnings
26
Busiest month
May14 tornado warnings
Busiest day
May 4, 20128 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 14, 2:17 PM CDTTornado WarningOAXFremont, Page28 min
Apr 14, 3:47 PM CDTTornado WarningDMXAdair, Adams, Madison, Union28 min
Apr 14, 5:24 PM CDTTornado WarningOAXFremont24 min
Apr 14, 6:06 PM CDTTornado WarningOAXMontgomery14 min
Apr 14, 7:11 PM CDTTornado WarningDMXMadison, Union19 min
Apr 14, 7:37 PM CDTTornado WarningDMXClarke, Madison, Warren23 min
Apr 14, 9:21 PM CDTTornado WarningDMXMahaska24 min
Apr 15, 12:57 AM CDTTornado WarningOAXPottawattamie15 min
Apr 21, 4:21 PM CDTTornado WarningFSDClay24 min
Apr 21, 4:38 PM CDTTornado WarningFSDDickinson37 min
Apr 21, 4:45 PM CDTTornado WarningFSDClay14 min
May 1, 7:27 PM CDTTornado WarningFSDLyon, Sioux33 min
May 1, 7:57 PM CDTTornado WarningFSDLyon33 min
May 1, 9:29 PM CDTTornado WarningFSDClay, O'Brien46 min
May 1, 9:44 PM CDTTornado WarningFSDClay31 min
May 2, 1:24 AM CDTTornado WarningDMXBoone36 min
May 2, 1:47 AM CDTTornado WarningDMXBoone, Hamilton, Hardin, Story28 min
May 3, 8:27 PM CDTTornado WarningDVNHenry, Jefferson, Louisa, Washington33 min
May 3, 8:58 PM CDTTornado WarningDVNHenry, Louisa, Muscatine, Washington32 min
May 3, 9:29 PM CDTTornado WarningDVNLouisa, Muscatine17 min
May 4, 3:20 PM CDTTornado WarningFSDO'Brien, Sioux25 min
May 4, 3:43 PM CDTTornado WarningFSDO'Brien, Sioux32 min
May 4, 4:06 PM CDTTornado WarningFSDClay24 min
May 4, 4:46 PM CDTTornado WarningDMXPalo Alto29 min
May 4, 5:40 PM CDTTornado WarningDMXHancock, Humboldt, Kossuth, Wright35 min
Aug 9, 4:55 PM CDTTornado WarningARXFayette, Winneshiek20 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. May 4, 20128tornado warnings
  2. May 2, 20126tornado warnings
  3. April 14, 20124tornado warnings
  4. April 15, 20124tornado warnings
  5. April 21, 20123tornado warnings
  6. August 9, 20121tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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.