Alert archive / Illinois / Areal Flood Advisories / 2021

Areal Flood Advisories in Illinois, August 2021

48 areal flood advisories in August 2021. 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 areal flood advisories reaches back to 2005.

Areal Flood Advisories by county

Each county as a circle sized by its count in August 2021. Tap one for its archive.

Areal Flood Advisories
48
Busiest day
August 30, 202113 areal flood advisories

Over time

By day

Days in UTC, the clock the archive keeps.

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
Aug 8, 4:35 PM CDTAreal Flood AdvisoryLSXAdams, Pike3 hr
Aug 8, 4:45 PM CDTAreal Flood AdvisoryILXMcLean2 hr
Aug 8, 6:29 PM CDTAreal Flood AdvisoryLOTLivingston3 hr
Aug 8, 7:20 PM CDTAreal Flood AdvisoryILXMcLean115 min
Aug 9, 2:26 AM CDTAreal Flood AdvisoryILXClay3 hr
Aug 9, 2:29 AM CDTAreal Flood AdvisoryLSXFayette, Marion5 hr
Aug 9, 6:28 AM CDTAreal Flood AdvisoryILXChristian, Macon, Moultrie, Shelby3 hr
Aug 9, 7:07 AM CDTAreal Flood AdvisoryILXLogan, Menard, Sangamon3 hr
Aug 9, 10:50 AM CDTAreal Flood AdvisoryILXClay, Crawford, Effingham, Jasper2 hr
Aug 9, 11:49 AM CDTAreal Flood AdvisoryLOTBoone, DeKalb, Kane, McHenry, Ogle, Winnebago3 hr
Aug 9, 3:25 PM CDTAreal Flood AdvisoryLOTBoone, Winnebago3 hr
Aug 9, 4:12 PM CDTAreal Flood AdvisoryLOTBoone, McHenry3 hr
Aug 12, 9:24 AM CDTAreal Flood AdvisoryILXDeWitt, McLean, Piatt3 hr
Aug 12, 9:27 AM CDTAreal Flood AdvisoryLOTFord2 hr
Aug 12, 12:01 PM CDTAreal Flood AdvisoryLOTFord4 hr
Aug 12, 4:56 PM CDTAreal Flood AdvisoryLSXAdams4 hr
Aug 12, 5:28 PM CDTAreal Flood AdvisoryLSXBond, Madison4 hr
Aug 18, 1:33 PM CDTAreal Flood AdvisoryLOTWill93 min
Aug 18, 8:21 PM CDTAreal Flood AdvisoryLOTKankakee114 min
Aug 19, 1:46 PM CDTAreal Flood AdvisoryLOTCook119 min
Aug 21, 2:10 PM CDTAreal Flood AdvisoryLSXMarion43 min
Aug 23, 6:04 PM CDTAreal Flood AdvisoryLSXMonroe, Randolph3 hr
Aug 24, 4:58 PM CDTAreal Flood AdvisoryLOTBoone, Lake, McHenry3 hr
Aug 24, 6:19 PM CDTAreal Flood AdvisoryLOTCook, DuPage, Lake17 min
Aug 24, 7:31 PM CDTAreal Flood AdvisoryLOTBoone, Lake, McHenry3 hr
Aug 24, 8:43 PM CDTAreal Flood AdvisoryLOTCook4 hr
Aug 25, 6:23 PM CDTAreal Flood AdvisoryLOTCook, DuPage, Will3 hr
Aug 25, 8:34 PM CDTAreal Flood AdvisoryLOTCook, Kankakee, Will3 hr
Aug 25, 8:54 PM CDTAreal Flood AdvisoryLOTDuPage, Kane, Kendall, Will17 min
Aug 26, 1:38 AM CDTAreal Flood AdvisoryLOTKane, Kendall2 hr
Aug 26, 6:54 PM CDTAreal Flood AdvisoryLSXBond3 hr
Aug 27, 4:55 PM CDTAreal Flood AdvisoryPAHEdwards, Wabash3 hr
Aug 27, 5:58 PM CDTAreal Flood AdvisoryPAHWayne, White2 hr
Aug 27, 7:06 PM CDTAreal Flood AdvisoryPAHHamilton2 hr
Aug 28, 5:26 PM CDTAreal Flood AdvisoryLOTBoone, McHenry2 hr
Aug 30, 11:39 AM CDTAreal Flood AdvisoryPAHJefferson3 hr
Aug 30, 12:19 PM CDTAreal Flood AdvisoryPAHWayne3 hr
Aug 30, 12:53 PM CDTAreal Flood AdvisoryILXEdgar, Vermilion3 hr
Aug 30, 1:41 PM CDTAreal Flood AdvisoryPAHHamilton, White2 hr
Aug 30, 1:53 PM CDTAreal Flood AdvisoryLSXFayette, Marion3 hr
Aug 30, 2:38 PM CDTAreal Flood AdvisoryLSXBond, Clinton, Madison, Saint Clair3 hr
Aug 30, 2:47 PM CDTAreal Flood AdvisoryILXClay3 hr
Aug 30, 3:16 PM CDTAreal Flood AdvisoryILXClark, Coles, Edgar3 hr
Aug 30, 4:10 PM CDTAreal Flood AdvisoryLSXMontgomery3 hr
Aug 30, 4:42 PM CDTAreal Flood AdvisoryPAHPerry40 min
Aug 30, 5:40 PM CDTAreal Flood AdvisoryLSXRandolph3 hr
Aug 30, 6:22 PM CDTAreal Flood AdvisoryLSXClinton, Marion3 hr
Aug 30, 6:33 PM CDTAreal Flood AdvisoryPAHJefferson117 min

By county

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

10 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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. Warning verification from the Mesonet's Cow. Rebuilt daily.