Alert archive / Iowa / Tornado Warnings

Tornado Warnings in Iowa, 1999

97 tornado warnings in 1999. 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 1999. Tap one for its archive.

Tornado Warnings
97
Busiest month
April35 tornado warnings
Busiest day
April 8, 199930 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 5, 3:30 PM CDTTornado WarningOAXFremont, Page65 min
Apr 5, 4:05 PM CDTTornado WarningDMXTaylor35 min
Apr 5, 4:33 PM CDTTornado WarningDMXAdams, Union32 min
Apr 5, 4:45 PM CDTTornado WarningDMXDecatur, Ringgold30 min
Apr 5, 5:45 PM CDTTornado WarningDMXWarren35 min
Apr 8, 1:58 PM CDTTornado WarningOAXPottawattamie32 min
Apr 8, 2:05 PM CDTTornado WarningOAXMonona50 min
Apr 8, 2:12 PM CDTTornado WarningOAXFremont, Montgomery, Page33 min
Apr 8, 2:23 PM CDTTornado WarningOAXHarrison32 min
Apr 8, 2:40 PM CDTTornado WarningOAXMontgomery, Page30 min
Apr 8, 2:42 PM CDTTornado WarningOAXPottawattamie33 min
Apr 8, 2:45 PM CDTTornado WarningDMXAdams, Taylor50 min
Apr 8, 2:53 PM CDTTornado WarningOAXHarrison, Monona32 min
Apr 8, 2:59 PM CDTTornado WarningDMXCass31 min
Apr 8, 3:18 PM CDTTornado WarningDMXAdair42 min
Apr 8, 3:46 PM CDTTornado WarningDMXGuthrie49 min
Apr 8, 3:52 PM CDTTornado WarningDMXUnion33 min
Apr 8, 3:55 PM CDTTornado WarningDMXMadison35 min
Apr 8, 4:20 PM CDTTornado WarningDMXDallas50 min
Apr 8, 4:44 PM CDTTornado WarningDMXWayne36 min
Apr 8, 4:47 PM CDTTornado WarningDMXPolk48 min
Apr 8, 4:56 PM CDTTornado WarningDMXLucas, Warren49 min
Apr 8, 5:07 PM CDTTornado WarningDMXMarion48 min
Apr 8, 5:15 PM CDTTornado WarningDMXDallas35 min
Apr 8, 5:37 PM CDTTornado WarningDMXMarion, Monroe33 min
Apr 8, 5:37 PM CDTTornado WarningDMXJasper33 min
Apr 8, 5:49 PM CDTTornado WarningDMXAppanoose31 min
Apr 8, 5:51 PM CDTTornado WarningDMXPolk49 min
Apr 8, 5:52 PM CDTTornado WarningDVNVan Buren48 min
Apr 8, 6:05 PM CDTTornado WarningDMXDavis35 min
Apr 8, 6:06 PM CDTTornado WarningDMXMahaska34 min
Apr 8, 6:13 PM CDTTornado WarningDVNJefferson47 min
Apr 8, 6:16 PM CDTTornado WarningDMXWapello34 min
Apr 8, 6:17 PM CDTTornado WarningDVNLee48 min
Apr 8, 6:33 PM CDTTornado WarningDVNKeokuk, Washington47 min
May 16, 2:52 PM CDTTornado WarningOAXMills33 min
May 16, 3:07 PM CDTTornado WarningOAXHarrison33 min
May 16, 3:23 PM CDTTornado WarningOAXMills37 min
May 16, 3:32 PM CDTTornado WarningOAXMonona33 min
May 16, 3:37 PM CDTTornado WarningOAXHarrison48 min
May 16, 3:42 PM CDTTornado WarningDMXCrawford33 min
May 16, 3:47 PM CDTTornado WarningOAXPottawattamie48 min
May 16, 3:56 PM CDTTornado WarningOAXMills34 min
May 16, 4:13 PM CDTTornado WarningDMXCrawford17 min
May 16, 4:20 PM CDTTornado WarningDMXCrawford50 min
May 16, 4:20 PM CDTTornado WarningFSDIda30 min
May 16, 4:22 PM CDTTornado WarningOAXHarrison48 min
May 16, 4:24 PM CDTTornado WarningOAXPottawattamie51 min
May 16, 4:27 PM CDTTornado WarningOAXMills33 min
May 16, 4:43 PM CDTTornado WarningDMXSac47 min
May 16, 5:01 PM CDTTornado WarningOAXShelby44 min
May 16, 5:11 PM CDTTornado WarningOAXHarrison34 min
May 16, 5:14 PM CDTTornado WarningOAXPottawattamie46 min
May 16, 5:33 PM CDTTornado WarningOAXMills37 min
May 16, 6:00 PM CDTTornado WarningOAXPottawattamie30 min
May 16, 6:33 PM CDTTornado WarningOAXPottawattamie32 min
May 16, 6:38 PM CDTTornado WarningDMXAudubon, Cass47 min
May 16, 6:55 PM CDTTornado WarningOAXMills, Montgomery35 min
May 16, 7:44 PM CDTTornado WarningDMXBoone, Dallas31 min
May 16, 8:17 PM CDTTornado WarningDMXBoone, Story33 min
May 16, 8:44 PM CDTTornado WarningDMXHamilton, Story31 min
May 16, 9:00 PM CDTTornado WarningDMXHardin50 min
May 16, 9:10 PM CDTTornado WarningDVNDubuque35 min
May 16, 9:46 PM CDTTornado WarningDVNDubuque49 min
May 16, 10:13 PM CDTTornado WarningDVNBenton47 min
May 16, 10:54 PM CDTTornado WarningDVNDubuque51 min
Jun 1, 4:20 PM CDTTornado WarningDVNClinton35 min
Jun 1, 4:27 PM CDTTornado WarningDVNJackson28 min
Jun 1, 4:49 PM CDTTornado WarningDVNJackson36 min
Jun 4, 12:41 PM CDTTornado WarningDMXLucas49 min
Jun 5, 4:39 PM CDTTornado WarningFSDPlymouth36 min
Jun 5, 5:12 PM CDTTornado WarningFSDPlymouth, Sioux48 min
Jun 5, 5:42 PM CDTTornado WarningFSDCherokee, O'Brien33 min
Jun 5, 6:15 PM CDTTornado WarningFSDO'Brien15 min
Jun 5, 6:27 PM CDTTornado WarningFSDPlymouth33 min
Jun 6, 3:39 PM CDTTornado WarningDMXWebster36 min
Jun 6, 4:13 PM CDTTornado WarningDMXWright32 min
Jun 6, 4:33 PM CDTTornado WarningDMXFranklin32 min
Jun 6, 6:29 PM CDTTornado WarningDMXAdair, Cass31 min
Jun 6, 6:36 PM CDTTornado WarningDMXBoone, Greene, Webster49 min
Jun 6, 7:08 PM CDTTornado WarningDMXHamilton32 min
Jun 8, 6:04 PM CDTTornado WarningDMXWright31 min
Jun 10, 2:03 PM CDTTornado WarningDVNLinn32 min
Jun 10, 2:25 PM CDTTornado WarningDVNJones35 min
Jun 12, 1:06 PM CDTTornado WarningDVNHenry34 min
Jul 2, 10:36 AM CDTTornado WarningOAXMonona34 min
Jul 2, 10:47 AM CDTTornado WarningDMXCrawford48 min
Jul 2, 11:29 AM CDTTornado WarningDMXCrawford36 min
Jul 2, 11:55 AM CDTTornado WarningOAXHarrison, Monona35 min
Jul 2, 2:07 PM CDTTornado WarningDMXAudubon33 min
Jul 19, 6:24 PM CDTTornado WarningDMXGreene31 min
Jul 20, 5:06 PM CDTTornado WarningARXChickasaw, Floyd69 min
Jul 20, 6:25 PM CDTTornado WarningARXChickasaw50 min
Aug 9, 9:00 PM CDTTornado WarningDMXWinnebago, Worth35 min
Aug 9, 9:24 PM CDTTornado WarningDMXCerro Gordo46 min
Aug 23, 6:20 PM CDTTornado WarningARXWinneshiek55 min
Aug 23, 7:58 PM CDTTornado WarningARXClayton42 min

By county

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

24 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 8, 199930tornado warnings
  2. May 16, 199923tornado warnings
  3. May 17, 19998tornado warnings
  4. April 5, 19995tornado warnings
  5. June 5, 19995tornado warnings
  6. June 6, 19995tornado warnings
  7. July 2, 19995tornado warnings
  8. June 1, 19993tornado warnings
  9. June 10, 19992tornado warnings
  10. July 20, 19992tornado warnings
  11. August 10, 19992tornado warnings
  12. June 4, 19991tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19982000

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.