Alert archive / Iowa / Flash Flood Warnings

Flash Flood Warnings in Iowa, 2020

35 flash flood warnings in 2020. 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 2020. Tap one for its archive.

Flash Flood Warnings
35
Busiest month
June21 flash flood warnings
Busiest day
June 9, 20204 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
Mar 27, 11:51 PM CDTFlash Flood WarningDVNMuscatine, Scott4 hr
May 14, 9:37 PM CDTFlash Flood WarningDVNHenry, Jefferson, Van Buren5 hr
May 28, 9:22 AM CDTFlash Flood WarningDVNBuchanan, Delaware6 hr
May 28, 10:41 AM CDTFlash Flood WarningDMXBlack Hawk, Bremer6 hr
May 28, 3:10 PM CDTFlash Flood WarningDVNClinton, Jackson5 hr
Jun 3, 7:23 PM CDTFlash Flood WarningDVNMuscatine, Scott117 min
Jun 4, 7:40 AM CDTFlash Flood WarningDVNIowa5 hr
Jun 4, 8:16 PM CDTFlash Flood WarningDVNCedar, Muscatine3 hr
Jun 4, 9:41 PM CDTFlash Flood WarningDVNMuscatine97 min
Jun 4, 10:17 PM CDTFlash Flood WarningDVNScott119 min
Jun 9, 6:05 PM CDTFlash Flood WarningARXChickasaw, Fayette, Winneshiek3 hr
Jun 9, 6:51 PM CDTFlash Flood WarningDVNBuchanan4 hr
Jun 9, 6:58 PM CDTFlash Flood WarningARXHoward, Winneshiek6 hr
Jun 9, 6:58 PM CDTFlash Flood WarningDVNJohnson, Linn4 hr
Jun 9, 7:03 PM CDTFlash Flood WarningARXFayette117 min
Jun 9, 10:26 PM CDTFlash Flood WarningDMXCrawford6 hr
Jun 10, 9:44 AM CDTFlash Flood WarningDVNLinn5 hr
Jun 19, 9:08 AM CDTFlash Flood WarningDVNVan Buren2 hr
Jun 21, 9:00 PM CDTFlash Flood WarningDMXButler, Franklin6 hr
Jun 22, 3:35 AM CDTFlash Flood WarningDVNBuchanan6 hr
Jun 26, 9:54 PM CDTFlash Flood WarningDVNKeokuk, Washington8 hr
Jun 26, 10:52 PM CDTFlash Flood WarningDMXMonroe5 hr
Jun 27, 3:37 PM CDTFlash Flood WarningDVNJohnson2 hr
Jun 27, 5:08 PM CDTFlash Flood WarningDVNCedar, Johnson, Linn83 min
Jun 30, 6:38 AM CDTFlash Flood WarningDVNLee, Van Buren6 hr
Jun 30, 8:47 AM CDTFlash Flood Warning Considerable damage threatDVNVan Buren6 hr
Jul 3, 5:57 AM CDTFlash Flood WarningDVNLee4 hr
Jul 8, 3:06 PM CDTFlash Flood WarningDVNClinton, Scott2 hr
Jul 9, 5:44 AM CDTFlash Flood WarningFSDWoodbury3 hr
Jul 9, 2:15 PM CDTFlash Flood WarningDMXBlack Hawk2 hr
Jul 9, 4:16 PM CDTFlash Flood WarningDVNDubuque, Jackson3 hr
Jul 9, 5:03 PM CDTFlash Flood Warning Considerable damage threatDVNDubuque, Jackson2 hr
Jul 14, 7:56 PM CDTFlash Flood WarningDMXDallas, Jasper, Polk3 hr
Jul 28, 6:12 PM CDTFlash Flood WarningFSDPlymouth, Sioux3 hr
Oct 22, 8:54 PM CDTFlash Flood WarningARXClayton, Fayette3 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 9, 20204flash flood warnings
  2. June 27, 20204flash flood warnings
  3. July 9, 20204flash flood warnings
  4. May 28, 20203flash flood warnings
  5. June 5, 20203flash flood warnings
  6. June 10, 20203flash flood warnings
  7. June 4, 20202flash flood warnings
  8. June 22, 20202flash flood warnings
  9. June 30, 20202flash flood warnings
  10. March 28, 20201flash flood warnings
  11. May 15, 20201flash flood warnings
  12. June 19, 20201flash flood warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.