Alert archive / Illinois / Flash Flood Warnings

Flash Flood Warnings in Illinois, 2012

42 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
42
Busiest month
May21 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
Mar 16, 9:20 AM CDTFlash Flood WarningLSXMacoupin2 hr
Apr 29, 7:54 AM CDTFlash Flood WarningLSXMacoupin, Montgomery6 hr
Apr 30, 4:45 AM CDTFlash Flood WarningLSXMacoupin, Montgomery6 hr
May 3, 7:23 PM CDTFlash Flood WarningLOTCook, DuPage4 hr
May 3, 8:39 PM CDTFlash Flood WarningILXMarshall6 hr
May 3, 10:10 PM CDTFlash Flood WarningLOTCook5 hr
May 3, 10:20 PM CDTFlash Flood WarningDVNRock Island6 hr
May 3, 10:44 PM CDTFlash Flood WarningDVNHenry, Mercer, Rock Island6 hr
May 4, 12:26 AM CDTFlash Flood WarningDVNBureau, Putnam6 hr
May 4, 12:46 AM CDTFlash Flood WarningLOTLaSalle, Livingston6 hr
May 4, 2:29 AM CDTFlash Flood WarningILXMarshall6 hr
May 6, 3:19 PM CDTFlash Flood WarningLOTFord, Grundy, Iroquois, Kankakee, Livingston6 hr
May 6, 3:39 PM CDTFlash Flood WarningLOTGrundy, LaSalle, Livingston6 hr
May 6, 5:15 PM CDTFlash Flood WarningLOTFord, Iroquois6 hr
May 6, 6:09 PM CDTFlash Flood WarningILXVermilion6 hr
May 6, 11:22 PM CDTFlash Flood WarningLOTGrundy, Kendall, LaSalle, Livingston8 hr
May 6, 11:24 PM CDTFlash Flood WarningLOTCook, Grundy, Kankakee, Kendall, Will6 hr
May 7, 12:26 AM CDTFlash Flood WarningLOTFord, Iroquois, Kankakee7 hr
May 7, 1:43 AM CDTFlash Flood WarningLOTIroquois6 hr
May 7, 3:56 AM CDTFlash Flood WarningLOTFord, Livingston4 hr
May 20, 4:00 PM CDTFlash Flood WarningILXEffingham6 hr
May 20, 5:06 PM CDTFlash Flood WarningLSXMarion4 hr
May 20, 7:05 PM CDTFlash Flood WarningLSXFayette4 hr
May 26, 5:23 AM CDTFlash Flood WarningLOTWinnebago5 hr
Jun 16, 7:47 PM CDTFlash Flood WarningLOTKankakee6 hr
Jun 16, 10:19 PM CDTFlash Flood WarningLOTIroquois, Kankakee4 hr
Jul 1, 2:30 PM CDTFlash Flood WarningPAHGallatin2 hr
Jul 1, 4:42 PM CDTFlash Flood WarningPAHJohnson, Williamson2 hr
Jul 8, 3:08 PM CDTFlash Flood WarningILXLawrence6 hr
Aug 4, 1:39 PM CDTFlash Flood WarningDVNHenry, Rock Island70 min
Aug 4, 3:52 PM CDTFlash Flood WarningLOTCook, DuPage, Grundy, Kane, Kendall, Will2 hr
Aug 5, 1:09 AM CDTFlash Flood WarningPAHJackson, Williamson75 min
Aug 5, 2:32 AM CDTFlash Flood WarningLOTIroquois6 hr
Aug 8, 6:14 PM CDTFlash Flood WarningILXClay, Richland3 hr
Aug 16, 3:21 PM CDTFlash Flood WarningPAHJackson114 min
Aug 26, 7:42 PM CDTFlash Flood WarningLOTCook6 hr
Aug 26, 7:54 PM CDTFlash Flood WarningLOTCook, DuPage, Kane, Kendall, Will6 hr
Sep 1, 4:24 PM CDTFlash Flood WarningILXEffingham6 hr
Sep 1, 6:26 PM CDTFlash Flood WarningPAHFranklin, Jackson, Union, Williamson3 hr
Sep 7, 7:03 PM CDTFlash Flood WarningLSXBond3 hr
Sep 25, 8:59 PM CDTFlash Flood WarningLSXClinton, Washington6 hr
Sep 26, 3:01 AM CDTFlash Flood WarningLSXClinton, Marion, Washington6 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. May 4, 20128flash flood warnings
  2. May 7, 20125flash flood warnings
  3. May 6, 20124flash flood warnings
  4. May 20, 20122flash flood warnings
  5. June 17, 20122flash flood warnings
  6. July 1, 20122flash flood warnings
  7. August 4, 20122flash flood warnings
  8. August 5, 20122flash flood warnings
  9. August 27, 20122flash flood warnings
  10. September 1, 20122flash flood warnings
  11. September 26, 20122flash flood warnings
  12. March 16, 20121flash flood warnings

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.