Alert archive / Iowa / Flash Flood Warnings

Flash Flood Warnings in Iowa, 2011

86 flash flood warnings in 2011. 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Flash Flood Warnings
86
Busiest month
June47 flash flood warnings
Busiest day
June 27, 20119 flash flood 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 17, 1:47 PM CSTFlash Flood WarningDMXDallas, Polk4 hr
Feb 19, 3:43 AM CSTFlash Flood WarningDMXWebster6 hr
Feb 20, 6:09 PM CSTFlash Flood WarningDMXWebster6 hr
Feb 21, 12:16 PM CSTFlash Flood WarningDVNBenton6 hr
May 11, 2:43 PM CDTFlash Flood WarningDMXAdams, Taylor6 hr
May 11, 4:34 PM CDTFlash Flood WarningOAXMontgomery, Page67 min
May 11, 4:42 PM CDTFlash Flood WarningDMXAdams, Taylor6 hr
May 11, 6:03 PM CDTFlash Flood WarningDMXUnion6 hr
May 25, 12:38 AM CDTFlash Flood WarningDMXClarke, Union6 hr
May 25, 3:53 PM CDTFlash Flood WarningDMXDecatur, Lucas, Wayne3 hr
May 25, 4:34 PM CDTFlash Flood WarningDMXAppanoose, Davis, Wapello4 hr
May 25, 4:55 PM CDTFlash Flood WarningDVNDes Moines, Henry, Jefferson, Lee, Van Buren5 hr
May 25, 5:34 PM CDTFlash Flood WarningDVNDes Moines, Louisa4 hr
Jun 2, 7:16 AM CDTFlash Flood WarningDVNHenry, Jefferson, Lee, Van Buren6 hr
Jun 5, 6:13 AM CDTFlash Flood WarningDVNDes Moines, Henry, Lee, Louisa6 hr
Jun 5, 9:31 AM CDTFlash Flood WarningOAXFremont5 hr
Jun 9, 8:37 PM CDTFlash Flood WarningDMXDallas, Madison, Polk, Warren6 hr
Jun 9, 9:30 PM CDTFlash Flood WarningDMXBoone, Polk, Story4 hr
Jun 9, 11:11 PM CDTFlash Flood WarningDMXJasper, Madison, Marion, Warren6 hr
Jun 9, 11:13 PM CDTFlash Flood WarningDVNLee6 hr
Jun 9, 11:36 PM CDTFlash Flood WarningDMXAdair, Audubon, Dallas, Guthrie, Madison4 hr
Jun 10, 2:21 AM CDTFlash Flood WarningDMXMahaska, Marion, Monroe6 hr
Jun 10, 2:26 AM CDTFlash Flood WarningDVNIowa, Johnson, Keokuk, Washington5 hr
Jun 13, 10:59 AM CDTFlash Flood WarningOAXFremont6 hr
Jun 13, 4:49 PM CDTFlash Flood WarningOAXFremont6 hr
Jun 13, 9:01 PM CDTFlash Flood WarningDMXAppanoose, Davis6 hr
Jun 13, 9:21 PM CDTFlash Flood WarningDVNLee, Van Buren8 hr
Jun 14, 1:04 AM CDTFlash Flood WarningDMXMadison4 hr
Jun 14, 5:05 AM CDTFlash Flood WarningDMXMahaska, Marion6 hr
Jun 14, 1:41 PM CDTFlash Flood WarningFSDLyon3 hr
Jun 14, 3:01 PM CDTFlash Flood WarningFSDDickinson, Lyon, Osceola3 hr
Jun 14, 10:11 PM CDTFlash Flood WarningDVNLee, Van Buren8 hr
Jun 14, 10:36 PM CDTFlash Flood WarningDVNIowa, Keokuk, Washington9 hr
Jun 15, 12:03 AM CDTFlash Flood WarningDVNDes Moines, Henry, Jefferson, Louisa9 hr
Jun 15, 12:12 AM CDTFlash Flood WarningDMXMonroe, Wapello6 hr
Jun 18, 10:34 AM CDTFlash Flood WarningDMXCrawford4 hr
Jun 19, 10:47 PM CDTFlash Flood WarningOAXFremont, Page6 hr
Jun 19, 11:46 PM CDTFlash Flood WarningDMXRinggold, Taylor6 hr
Jun 20, 12:29 AM CDTFlash Flood WarningDMXDecatur, Ringgold6 hr
Jun 20, 1:00 AM CDTFlash Flood WarningDVNVan Buren9 hr
Jun 20, 1:13 AM CDTFlash Flood WarningDMXDavis, Wapello6 hr
Jun 20, 1:19 AM CDTFlash Flood WarningDMXClarke, Lucas6 hr
Jun 20, 8:55 AM CDTFlash Flood WarningDVNLee4 hr
Jun 20, 9:18 PM CDTFlash Flood WarningFSDPlymouth, Sioux, Woodbury2 hr
Jun 20, 9:39 PM CDTFlash Flood WarningFSDLyon, Sioux3 hr
Jun 25, 5:04 AM CDTFlash Flood WarningOAXMills, Montgomery, Pottawattamie4 hr
Jun 25, 5:51 AM CDTFlash Flood WarningDMXAdams, Cass, Union6 hr
Jun 25, 7:23 AM CDTFlash Flood WarningDMXClarke6 hr
Jun 25, 9:11 AM CDTFlash Flood WarningDMXAppanoose, Wayne4 hr
Jun 26, 4:57 PM CDTFlash Flood WarningDMXAdair, Adams, Madison, Union6 hr
Jun 26, 5:40 PM CDTFlash Flood WarningDMXClarke, Lucas6 hr
Jun 26, 7:27 PM CDTFlash Flood WarningFSDWoodbury3 hr
Jun 26, 7:56 PM CDTFlash Flood WarningFSDCherokee, O'Brien, Plymouth, Sioux3 hr
Jun 26, 8:09 PM CDTFlash Flood WarningDMXAppanoose, Davis6 hr
Jun 26, 8:14 PM CDTFlash Flood WarningDVNJefferson, Lee, Van Buren9 hr
Jun 26, 8:17 PM CDTFlash Flood WarningFSDPlymouth3 hr
Jun 26, 8:52 PM CDTFlash Flood WarningFSDCherokee2 hr
Jun 26, 9:02 PM CDTFlash Flood WarningFSDBuena Vista, Clay3 hr
Jun 26, 9:37 PM CDTFlash Flood WarningDVNDes Moines, Lee9 hr
Jun 26, 10:42 PM CDTFlash Flood WarningDMXWarren2 hr
Jul 11, 1:19 AM CDTFlash Flood WarningFSDDickinson, Osceola4 hr
Jul 14, 7:41 AM CDTFlash Flood WarningFSDBuena Vista, Clay, Dickinson, O'Brien, Osceola3 hr
Jul 15, 5:31 PM CDTFlash Flood WarningDMXWinnebago, Worth6 hr
Jul 15, 5:49 PM CDTFlash Flood WarningARXHoward, Mitchell3 hr
Jul 15, 7:20 PM CDTFlash Flood WarningDMXCerro Gordo, Worth4 hr
Jul 16, 12:58 AM CDTFlash Flood WarningOAXPottawattamie, Shelby3 hr
Jul 16, 2:22 AM CDTFlash Flood WarningDMXCass6 hr
Jul 22, 4:52 AM CDTFlash Flood WarningARXAllamakee, Clayton, Fayette, Winneshiek4 hr
Jul 23, 3:00 AM CDTFlash Flood WarningDVNBuchanan, Delaware6 hr
Jul 27, 4:17 AM CDTFlash Flood WarningFSDLyon2 hr
Jul 27, 5:02 AM CDTFlash Flood WarningFSDOsceola3 hr
Jul 27, 7:10 PM CDTFlash Flood WarningDVNDubuque, Jackson9 hr
Jul 27, 11:55 PM CDTFlash Flood WarningDVNJackson4 hr
Jul 28, 1:13 AM CDTFlash Flood WarningDVNBuchanan, Delaware5 hr
Jul 28, 2:36 AM CDTFlash Flood WarningARXClayton5 hr
Jul 28, 4:24 AM CDTFlash Flood WarningARXFayette3 hr
Aug 4, 5:55 PM CDTFlash Flood WarningDMXClarke, Lucas, Warren3 hr
Aug 7, 11:10 PM CDTFlash Flood WarningFSDWoodbury80 min
Aug 18, 5:41 PM CDTFlash Flood WarningOAXHarrison, Pottawattamie5 hr
Aug 18, 5:50 PM CDTFlash Flood WarningOAXMonona6 hr
Aug 18, 7:02 PM CDTFlash Flood WarningFSDWoodbury98 min
Aug 18, 8:34 PM CDTFlash Flood WarningOAXFremont, Mills, Pottawattamie6 hr
Aug 22, 3:32 AM CDTFlash Flood WarningOAXMills, Pottawattamie4 hr
Aug 28, 12:09 PM CDTFlash Flood WarningOAXPottawattamie92 min
Sep 3, 1:46 AM CDTFlash Flood WarningARXFayette4 hr
Sep 3, 2:53 AM CDTFlash Flood WarningARXClayton3 hr

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 27, 20119flash flood warnings
  2. June 10, 20117flash flood warnings
  3. June 20, 20117flash flood warnings
  4. June 14, 20116flash flood warnings
  5. May 25, 20115flash flood warnings
  6. July 28, 20115flash flood warnings
  7. May 11, 20114flash flood warnings
  8. June 15, 20114flash flood warnings
  9. June 25, 20114flash flood warnings
  10. July 16, 20113flash flood warnings
  11. February 21, 20112flash flood warnings
  12. June 5, 20112flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.