Alert archive / Iowa / Flash Flood Warnings

Flash Flood Warnings in Iowa, 2009

75 flash flood warnings in 2009. 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 2009. Tap one for its archive.

Flash Flood Warnings
75
Busiest month
August21 flash flood warnings
Busiest day
August 27, 20099 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 11, 7:34 AM CSTFlash Flood WarningDVNClinton, Scott6 hr
Feb 11, 9:51 AM CSTFlash Flood WarningDMXWebster6 hr
Feb 11, 3:47 PM CSTFlash Flood WarningDMXTama6 hr
Mar 23, 4:57 PM CDTFlash Flood WarningFSDPlymouth, Woodbury2 hr
Mar 23, 6:09 PM CDTFlash Flood WarningFSDLyon111 min
Apr 26, 4:08 PM CDTFlash Flood WarningDMXBlack Hawk6 hr
Apr 26, 4:23 PM CDTFlash Flood WarningARXFayette3 hr
Apr 26, 4:40 PM CDTFlash Flood WarningDMXAdair, Audubon, Cass, Guthrie6 hr
Apr 26, 6:29 PM CDTFlash Flood WarningDMXMarshall6 hr
Apr 26, 6:30 PM CDTFlash Flood WarningDVNDelaware5 hr
Apr 26, 6:59 PM CDTFlash Flood WarningDMXGrundy, Marshall, Tama6 hr
Apr 26, 7:11 PM CDTFlash Flood WarningARXClayton, Fayette6 hr
Apr 26, 7:16 PM CDTFlash Flood WarningDVNBenton, Buchanan5 hr
May 13, 9:06 PM CDTFlash Flood WarningDVNClinton, Jackson5 hr
May 15, 9:40 AM CDTFlash Flood WarningDVNDes Moines, Lee6 hr
May 15, 9:52 AM CDTFlash Flood WarningDVNDes Moines, Henry, Jefferson, Lee, Van Buren6 hr
May 15, 10:06 AM CDTFlash Flood WarningDMXAdams, Clarke, Decatur, Ringgold, Taylor, Union6 hr
Jun 7, 11:22 PM CDTFlash Flood WarningDMXAdams, Taylor6 hr
Jun 8, 1:29 AM CDTFlash Flood WarningDVNDes Moines, Lee6 hr
Jun 11, 2:00 AM CDTFlash Flood WarningDVNLee5 hr
Jun 17, 9:29 PM CDTFlash Flood WarningARXChickasaw3 hr
Jun 17, 10:19 PM CDTFlash Flood WarningFSDPlymouth, Woodbury70 min
Jun 18, 11:52 PM CDTFlash Flood WarningARXAllamakee, Clayton6 hr
Jun 19, 4:36 PM CDTFlash Flood WarningDVNBenton, Cedar, Iowa, Johnson, Linn3 hr
Jun 19, 4:48 PM CDTFlash Flood WarningDVNCedar, Clinton, Jackson, Jones3 hr
Jun 19, 5:12 PM CDTFlash Flood WarningDVNCedar, Clinton, Louisa, Muscatine, Scott91 min
Jun 21, 8:37 PM CDTFlash Flood WarningDVNBenton, Iowa, Johnson, Linn6 hr
Jun 21, 9:13 PM CDTFlash Flood WarningDVNKeokuk, Washington6 hr
Jun 21, 9:37 PM CDTFlash Flood WarningDVNLouisa, Muscatine6 hr
Jun 21, 9:45 PM CDTFlash Flood WarningDVNJohnson6 hr
Jun 22, 12:24 AM CDTFlash Flood WarningDVNDes Moines, Henry, Louisa6 hr
Jun 23, 5:22 PM CDTFlash Flood WarningDMXAdair, Dallas, Guthrie, Madison6 hr
Jun 23, 6:40 PM CDTFlash Flood WarningDMXPolk6 hr
Jul 7, 8:39 PM CDTFlash Flood WarningFSDBuena Vista, Cherokee, Clay, O'Brien, Plymouth, Sioux3 hr
Jul 7, 9:10 PM CDTFlash Flood WarningFSDBuena Vista, Cherokee, Plymouth3 hr
Jul 7, 10:14 PM CDTFlash Flood WarningFSDIda, Woodbury3 hr
Jul 8, 2:12 AM CDTFlash Flood WarningFSDPlymouth, Woodbury3 hr
Jul 9, 3:24 PM CDTFlash Flood WarningFSDPlymouth85 min
Jul 9, 3:46 PM CDTFlash Flood WarningFSDClay, O'Brien65 min
Jul 9, 9:03 PM CDTFlash Flood WarningFSDClay, Dickinson, O'Brien, Osceola3 hr
Jul 9, 11:09 PM CDTFlash Flood WarningDMXEmmet, Kossuth6 hr
Jul 10, 5:37 AM CDTFlash Flood WarningFSDPlymouth, Sioux2 hr
Jul 10, 11:46 AM CDTFlash Flood WarningDVNCedar, Clinton, Johnson, Linn, Muscatine, Scott8 hr
Jul 14, 7:37 PM CDTFlash Flood WarningFSDDickinson83 min
Jul 15, 2:02 AM CDTFlash Flood WarningDMXAppanoose, Davis5 hr
Jul 15, 2:15 AM CDTFlash Flood WarningDVNDes Moines, Henry, Jefferson, Lee, Van Buren5 hr
Jul 24, 5:52 PM CDTFlash Flood WarningARXAllamakee, Clayton, Fayette, Winneshiek3 hr
Jul 24, 7:51 PM CDTFlash Flood WarningDVNBenton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more6 hr
Jul 24, 9:49 PM CDTFlash Flood WarningDVNClinton, Scott4 hr
Jul 27, 9:49 PM CDTFlash Flood WarningDVNJackson6 hr
Jul 27, 10:28 PM CDTFlash Flood WarningDVNClinton5 hr
Aug 3, 2:07 AM CDTFlash Flood WarningFSDCherokee, Ida, Plymouth, Woodbury3 hr
Aug 8, 5:31 AM CDTFlash Flood WarningARXAllamakee, Winneshiek118 min
Aug 9, 2:31 PM CDTFlash Flood WarningDVNBuchanan, Delaware, Dubuque6 hr
Aug 9, 8:54 PM CDTFlash Flood WarningDVNDes Moines3 hr
Aug 9, 9:36 PM CDTFlash Flood WarningDVNDubuque, Jackson3 hr
Aug 17, 12:19 AM CDTFlash Flood WarningDVNLee8 hr
Aug 24, 11:55 PM CDTFlash Flood WarningFSDPlymouth, Woodbury3 hr
Aug 26, 1:27 AM CDTFlash Flood WarningDVNBenton, Jones, Linn3 hr
Aug 26, 9:17 AM CDTFlash Flood WarningDVNKeokuk, Washington6 hr
Aug 26, 10:14 AM CDTFlash Flood WarningDVNMuscatine, Scott6 hr
Aug 26, 11:51 AM CDTFlash Flood WarningDVNClinton6 hr
Aug 27, 12:57 AM CDTFlash Flood WarningDVNHenry, Jefferson, Keokuk, Washington6 hr
Aug 27, 2:06 AM CDTFlash Flood WarningDVNCedar, Clinton, Iowa, Johnson, Linn, Muscatine and 1 more3 hr
Aug 27, 7:55 AM CDTFlash Flood WarningDVNBenton, Iowa, Johnson, Keokuk, Linn6 hr
Aug 27, 1:42 PM CDTFlash Flood WarningDVNJackson, Jones6 hr
Aug 27, 5:06 PM CDTFlash Flood WarningDVNCedar, Clinton, Jones6 hr
Aug 27, 5:51 PM CDTFlash Flood WarningDVNJohnson6 hr
Aug 27, 5:53 PM CDTFlash Flood WarningDVNDes Moines, Henry, Jefferson, Lee, Van Buren6 hr
Aug 27, 6:17 PM CDTFlash Flood WarningDVNMuscatine, Scott6 hr
Aug 27, 6:31 PM CDTFlash Flood WarningDVNLouisa, Washington6 hr
Aug 27, 9:34 PM CDTFlash Flood WarningDVNDes Moines, Lee2 hr
Sep 11, 3:27 PM CDTFlash Flood WarningFSDWoodbury93 min
Oct 1, 9:34 AM CDTFlash Flood WarningFSDClay, Dickinson3 hr
Oct 29, 9:33 PM CDTFlash Flood WarningDVNDes Moines, Henry, Lee, Van Buren8 hr

By county

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

19 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 27, 20099flash flood warnings
  2. April 26, 20096flash flood warnings
  3. June 22, 20095flash flood warnings
  4. June 19, 20094flash flood warnings
  5. July 8, 20094flash flood warnings
  6. July 10, 20094flash flood warnings
  7. August 26, 20094flash flood warnings
  8. February 11, 20093flash flood warnings
  9. May 15, 20093flash flood warnings
  10. July 15, 20093flash flood warnings
  11. March 23, 20092flash flood warnings
  12. April 27, 20092flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.