Alert archive / Iowa / Flash Flood Warnings

Flash Flood Warnings in Iowa, 2012

29 flash flood 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2012. Tap one for its archive.

Flash Flood Warnings
29
Busiest month
May13 flash flood warnings
Busiest day
May 4, 20128 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
Apr 14, 5:13 PM CDTFlash Flood WarningOAXMontgomery2 hr
Apr 14, 6:59 PM CDTFlash Flood WarningDMXCass3 hr
Apr 14, 7:07 PM CDTFlash Flood WarningDMXAdair, Madison101 min
Apr 14, 7:30 PM CDTFlash Flood WarningDMXAdair, Dallas, Guthrie, Madison, Polk, Warren3 hr
Apr 14, 8:43 PM CDTFlash Flood WarningDMXMarshall, Tama84 min
Apr 14, 8:55 PM CDTFlash Flood WarningDMXClarke, Decatur, Lucas, Marion, Monroe, Ringgold and 2 more103 min
Apr 14, 11:59 PM CDTFlash Flood WarningFSDWoodbury3 hr
May 1, 8:40 PM CDTFlash Flood WarningFSDLyon3 hr
May 3, 3:48 PM CDTFlash Flood WarningDMXKossuth4 hr
May 3, 8:05 PM CDTFlash Flood WarningFSDCherokee93 min
May 3, 9:58 PM CDTFlash Flood WarningDVNKeokuk, Louisa, Washington6 hr
May 3, 10:20 PM CDTFlash Flood WarningDVNCedar, Johnson, Louisa, Muscatine, Washington6 hr
May 3, 10:44 PM CDTFlash Flood WarningDVNLouisa, Scott6 hr
May 4, 1:10 AM CDTFlash Flood WarningDVNHenry, Jefferson6 hr
May 4, 2:40 AM CDTFlash Flood WarningDVNLee, Van Buren6 hr
May 4, 5:44 AM CDTFlash Flood WarningDMXMahaska, Poweshiek4 hr
May 4, 6:34 AM CDTFlash Flood WarningDVNKeokuk4 hr
May 19, 10:11 PM CDTFlash Flood WarningFSDClay, Dickinson, O'Brien3 hr
May 27, 7:22 PM CDTFlash Flood WarningFSDLyon, Plymouth, Sioux7 hr
May 27, 8:19 PM CDTFlash Flood WarningFSDLyon, Osceola7 hr
Jun 16, 5:24 PM CDTFlash Flood WarningDVNJefferson, Van Buren4 hr
Jun 20, 4:38 PM CDTFlash Flood WarningOAXMonona3 hr
Jun 20, 4:54 PM CDTFlash Flood WarningFSDBuena Vista, Ida, Woodbury2 hr
Aug 4, 1:19 PM CDTFlash Flood WarningDVNLinn82 min
Aug 4, 1:39 PM CDTFlash Flood WarningDVNScott70 min
Sep 4, 8:09 PM CDTFlash Flood WarningARXAllamakee, Clayton6 hr
Sep 4, 11:09 PM CDTFlash Flood WarningARXAllamakee, Winneshiek5 hr
Sep 5, 1:51 AM CDTFlash Flood WarningARXClayton, Fayette3 hr
Sep 5, 1:59 AM CDTFlash Flood WarningARXAllamakee, Clayton3 hr

By county

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

8 more counties

The busiest days

Days with the most alerts issued, by UTC date.

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.