Alert archive / Iowa / Tornado Warnings

Tornado Warnings in Iowa, 2017

98 tornado warnings in 2017. 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 2017. Tap one for its archive.

Tornado Warnings
98
Busiest month
June29 tornado warnings
Busiest day
June 28, 201718 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
Feb 28, 3:28 PM CSTTornado WarningDVNClinton, Scott47 min
Feb 28, 4:02 PM CSTTornado Warning Tornado observedDVNClinton22 min
Mar 6, 4:13 PM CSTTornado WarningDMXEmmet, Kossuth, Palo Alto33 min
Mar 6, 5:29 PM CSTTornado WarningDMXHamilton, Webster31 min
Mar 6, 5:51 PM CSTTornado WarningOAXPage24 min
Mar 6, 5:59 PM CSTTornado WarningOAXPage16 min
Mar 6, 7:21 PM CSTTornado WarningDMXMarion, Warren24 min
Mar 6, 7:40 PM CSTTornado Warning Tornado observedDMXJasper, Mahaska, Marion22 min
Mar 6, 7:43 PM CSTTornado WarningDMXJasper, Poweshiek32 min
Mar 6, 7:56 PM CSTTornado Warning Tornado observedDMXWayne34 min
Mar 6, 8:22 PM CSTTornado WarningDMXAppanoose, Wayne23 min
Mar 6, 8:40 PM CSTTornado WarningDMXAppanoose, Davis, Monroe, Wapello35 min
Mar 6, 8:40 PM CSTTornado WarningDVNBuchanan, Delaware38 min
Mar 6, 8:46 PM CSTTornado WarningDVNBenton, Iowa, Johnson, Linn22 min
Mar 6, 9:07 PM CSTTornado WarningDVNJones, Linn26 min
Mar 6, 9:31 PM CSTTornado WarningDVNDubuque, Jackson, Jones44 min
Mar 6, 9:55 PM CSTTornado WarningDVNJackson38 min
Mar 6, 10:10 PM CSTTornado WarningDVNMuscatine, Scott24 min
Mar 6, 10:17 PM CSTTornado WarningDVNCedar, Clinton, Scott31 min
Mar 6, 10:23 PM CSTTornado WarningDVNClinton, Scott26 min
Mar 6, 10:46 PM CSTTornado WarningDVNClinton, Jackson20 min
Apr 15, 4:59 PM CDTTornado WarningOAXFremont31 min
Apr 15, 7:56 PM CDTTornado WarningDVNBenton, Buchanan, Delaware, Linn49 min
Apr 19, 7:56 PM CDTTornado WarningDMXCalhoun, Carroll, Greene34 min
May 10, 2:34 PM CDTTornado WarningDVNHenry, Jefferson, Van Buren56 min
May 10, 3:22 PM CDTTornado WarningDVNDes Moines, Henry53 min
May 10, 3:50 PM CDTTornado WarningDVNDes Moines40 min
May 10, 3:56 PM CDTTornado WarningDVNDes Moines23 min
May 15, 6:46 PM CDTTornado WarningARXWinneshiek44 min
May 16, 7:20 PM CDTTornado WarningOAXShelby20 min
May 16, 7:59 PM CDTTornado WarningDMXCarroll16 min
May 17, 1:33 PM CDTTornado WarningFSDSioux27 min
May 17, 1:56 PM CDTTornado WarningFSDSioux34 min
May 17, 2:03 PM CDTTornado WarningFSDSioux27 min
May 17, 2:28 PM CDTTornado WarningFSDLyon, Sioux32 min
May 17, 3:01 PM CDTTornado WarningFSDLyon29 min
May 17, 3:38 PM CDTTornado WarningDVNJefferson, Keokuk, Washington52 min
May 17, 3:49 PM CDTTornado WarningDVNHenry, Jefferson, Van Buren, Washington41 min
May 17, 3:55 PM CDTTornado WarningDVNDes Moines, Henry, Lee, Louisa, Van Buren50 min
May 17, 3:59 PM CDTTornado WarningDMXAppanoose, Monroe46 min
May 17, 4:36 PM CDTTornado WarningDMXMahaska, Monroe, Wapello27 min
May 17, 4:40 PM CDTTornado WarningDVNDes Moines, Henry, Louisa, Muscatine50 min
May 17, 6:01 PM CDTTornado WarningDVNHenry, Jefferson, Lee, Van Buren59 min
May 17, 6:19 PM CDTTornado WarningDVNJohnson, Louisa, Washington41 min
May 17, 6:32 PM CDTTornado Warning Tornado observedDVNDelaware, Dubuque, Jones, Linn43 min
May 17, 6:48 PM CDTTornado WarningDVNCedar, Johnson, Muscatine42 min
May 17, 7:00 PM CDTTornado WarningDVNDes Moines45 min
May 17, 7:44 PM CDTTornado WarningDVNClinton, Scott46 min
May 27, 4:40 PM CDTTornado WarningDVNKeokuk, Washington50 min
Jun 16, 7:51 PM CDTTornado WarningOAXHarrison, Shelby11 min
Jun 16, 8:07 PM CDTTornado WarningOAXFremont, Mills, Montgomery23 min
Jun 16, 8:29 PM CDTTornado WarningOAXMills, Montgomery, Pottawattamie31 min
Jun 28, 3:41 PM CDTTornado WarningOAXFremont, Page34 min
Jun 28, 4:08 PM CDTTornado Warning Tornado observedDMXAdair, Dallas, Madison37 min
Jun 28, 4:14 PM CDTTornado WarningOAXPage31 min
Jun 28, 4:22 PM CDTTornado WarningDMXAdair, Adams, Cass23 min
Jun 28, 4:25 PM CDTTornado WarningDMXAdair, Madison35 min
Jun 28, 4:28 PM CDTTornado Warning Tornado observedDMXAdair, Dallas, Guthrie, Madison32 min
Jun 28, 4:46 PM CDTTornado Warning Tornado observedDMXAdair, Adams, Union29 min
Jun 28, 4:49 PM CDTTornado WarningARXClayton26 min
Jun 28, 4:53 PM CDTTornado WarningDMXTaylor52 min
Jun 28, 4:56 PM CDTTornado Warning Tornado observedDMXAdair, Madison37 min
Jun 28, 5:11 PM CDTTornado WarningDMXAdair, Madison, Union34 min
Jun 28, 5:41 PM CDTTornado WarningDMXClarke, Madison, Union34 min
Jun 28, 5:55 PM CDTTornado WarningDMXMarion, Warren35 min
Jun 28, 6:14 PM CDTTornado Warning Tornado observedDMXJasper, Marion31 min
Jun 28, 6:18 PM CDTTornado WarningDMXWarren27 min
Jun 28, 6:36 PM CDTTornado WarningDVNDelaware, Jones, Linn39 min
Jun 28, 6:44 PM CDTTornado Warning Tornado observedDMXMarion, Warren31 min
Jun 28, 6:56 PM CDTTornado Warning Tornado observedConsiderable damage threatDVNDelaware, Dubuque, Jones49 min
Jun 28, 7:24 PM CDTTornado Warning Tornado observedConsiderable damage threatDVNDubuque, Jackson, Jones51 min
Jun 28, 7:47 PM CDTTornado WarningDVNClinton, Jackson, Jones43 min
Jun 28, 8:24 PM CDTTornado Warning Tornado observedDVNJackson51 min
Jun 29, 4:23 PM CDTTornado WarningFSDWoodbury37 min
Jun 29, 4:46 PM CDTTornado WarningFSDWoodbury29 min
Jun 29, 5:30 PM CDTTornado WarningFSDWoodbury30 min
Jun 29, 5:33 PM CDTTornado WarningOAXMonona27 min
Jun 29, 5:57 PM CDTTornado WarningOAXMonona33 min
Jul 10, 7:41 PM CDTTornado WarningDVNLee34 min
Jul 11, 5:51 PM CDTTornado Warning Tornado observedDVNIowa, Johnson39 min
Jul 11, 9:19 PM CDTTornado WarningARXClayton26 min
Jul 11, 10:12 PM CDTTornado WarningARXClayton18 min
Jul 19, 5:04 PM CDTTornado WarningARXMitchell10 min
Jul 19, 5:13 PM CDTTornado WarningARXHoward32 min
Jul 19, 5:19 PM CDTTornado WarningARXHoward10 min
Jul 19, 5:44 PM CDTTornado WarningARXWinneshiek13 min
Jul 19, 5:47 PM CDTTornado WarningARXFayette11 min
Jul 19, 5:54 PM CDTTornado WarningARXClayton24 min
Jul 21, 4:49 PM CDTTornado WarningDVNJohnson56 min
Jul 21, 5:39 PM CDTTornado WarningDVNCedar, Johnson, Muscatine51 min
Jul 21, 6:10 PM CDTTornado WarningDVNMuscatine50 min
Aug 18, 7:49 PM CDTTornado WarningFSDOsceola26 min
Aug 18, 8:06 PM CDTTornado WarningFSDClay, O'Brien, Osceola24 min
Aug 18, 8:25 PM CDTTornado Warning Tornado observedConsiderable damage threatFSDClay, O'Brien, Osceola35 min
Aug 18, 8:37 PM CDTTornado WarningFSDClay, O'Brien23 min
Aug 18, 8:54 PM CDTTornado WarningFSDBuena Vista, Cherokee, Clay, O'Brien36 min
Aug 18, 9:26 PM CDTTornado WarningFSDBuena Vista, Cherokee, O'Brien34 min
Oct 14, 5:31 PM CDTTornado WarningDVNLee44 min

By county

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

29 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 28, 201718tornado warnings
  2. May 17, 201717tornado warnings
  3. March 7, 201715tornado warnings
  4. June 29, 20178tornado warnings
  5. July 19, 20176tornado warnings
  6. August 19, 20176tornado warnings
  7. March 6, 20174tornado warnings
  8. May 10, 20174tornado warnings
  9. June 17, 20173tornado warnings
  10. July 21, 20173tornado warnings
  11. February 28, 20172tornado warnings
  12. May 18, 20172tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.