Alert archive / Illinois / Special Marine Warnings

Special Marine Warnings in Illinois, 2023

66 special marine warnings in 2023. 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count in 2023. Tap one for its archive.

Special Marine Warnings
66
Busiest month
July22 special marine warnings
Busiest day
September 13, 20237 special marine 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 27, 10:35 AM CSTSpecial Marine WarningLOT70 min
Mar 20, 4:55 PM CDTSpecial Marine WarningLOT65 min
Mar 26, 4:33 PM CDTSpecial Marine WarningLOT42 min
Mar 26, 4:57 PM CDTSpecial Marine WarningLOT48 min
Mar 31, 4:22 PM CDTSpecial Marine WarningLOT98 min
Mar 31, 7:47 PM CDTSpecial Marine WarningLOT95 min
Apr 4, 1:04 PM CDTSpecial Marine WarningLOT3 hr
Apr 4, 10:01 PM CDTSpecial Marine WarningLOT44 min
Apr 5, 5:05 AM CDTSpecial Marine WarningLOT85 min
Apr 5, 6:30 AM CDTSpecial Marine WarningLOT2 hr
Apr 5, 8:25 AM CDTSpecial Marine WarningLOT65 min
Apr 15, 2:41 PM CDTSpecial Marine WarningLOT106 min
Apr 19, 5:38 PM CDTSpecial Marine WarningLOT2 hr
Apr 20, 4:49 PM CDTSpecial Marine WarningLOT56 min
Apr 20, 5:45 PM CDTSpecial Marine WarningLOT2 hr
Apr 20, 6:33 PM CDTSpecial Marine WarningLOT117 min
Jun 24, 11:47 PM CDTSpecial Marine WarningLOT118 min
Jun 25, 1:35 AM CDTSpecial Marine WarningLOT85 min
Jun 25, 11:49 AM CDTSpecial Marine WarningLOT71 min
Jun 25, 12:26 PM CDTSpecial Marine WarningLOT64 min
Jun 29, 5:21 AM CDTSpecial Marine WarningLOT39 min
Jul 5, 1:58 PM CDTSpecial Marine WarningLOT92 min
Jul 5, 2:18 PM CDTSpecial Marine WarningLOT57 min
Jul 5, 2:30 PM CDTSpecial Marine WarningLOT60 min
Jul 5, 3:17 PM CDTSpecial Marine WarningLOT88 min
Jul 5, 5:40 PM CDTSpecial Marine WarningLOT3 hr
Jul 12, 6:22 PM CDTSpecial Marine WarningLOT113 min
Jul 12, 8:16 PM CDTSpecial Marine WarningLOT49 min
Jul 14, 8:58 PM CDTSpecial Marine WarningLOT2 hr
Jul 14, 9:52 PM CDTSpecial Marine WarningLOT53 min
Jul 22, 12:45 PM CDTSpecial Marine WarningLOT60 min
Jul 22, 1:36 PM CDTSpecial Marine WarningLOT61 min
Jul 22, 4:50 PM CDTSpecial Marine WarningLOT40 min
Jul 26, 8:29 AM CDTSpecial Marine WarningLOT2 hr
Jul 26, 9:01 AM CDTSpecial Marine WarningLOT119 min
Jul 26, 10:51 AM CDTSpecial Marine WarningLOT39 min
Jul 28, 3:02 AM CDTSpecial Marine WarningLOT88 min
Jul 28, 4:27 AM CDTSpecial Marine WarningLOT63 min
Jul 28, 9:01 PM CDTSpecial Marine WarningLOT119 min
Jul 28, 9:47 PM CDTSpecial Marine WarningLOT43 min
Jul 28, 10:28 PM CDTSpecial Marine WarningLOT2 hr
Jul 28, 11:11 PM CDTSpecial Marine WarningLOT66 min
Jul 29, 12:26 AM CDTSpecial Marine WarningLOT79 min
Aug 11, 9:57 AM CDTSpecial Marine WarningLOT48 min
Aug 11, 10:41 PM CDTSpecial Marine WarningLOT2 hr
Aug 11, 11:30 PM CDTSpecial Marine WarningLOT2 hr
Aug 12, 12:39 AM CDTSpecial Marine WarningLOT51 min
Aug 14, 4:38 PM CDTSpecial Marine WarningLOT67 min
Aug 14, 6:53 PM CDTSpecial Marine WarningLOT2 hr
Aug 14, 7:08 PM CDTSpecial Marine WarningLOT82 min
Aug 24, 6:17 PM CDTSpecial Marine WarningLOT69 min
Sep 6, 4:34 AM CDTSpecial Marine WarningLOT116 min
Sep 13, 3:38 AM CDTSpecial Marine WarningLOT37 min
Sep 13, 7:26 AM CDTSpecial Marine WarningLOT46 min
Sep 13, 9:36 AM CDTSpecial Marine WarningLOT24 min
Sep 13, 10:18 AM CDTSpecial Marine WarningLOT57 min
Sep 13, 11:10 AM CDTSpecial Marine WarningLOT65 min
Sep 13, 11:19 AM CDTSpecial Marine WarningLOT56 min
Sep 13, 12:15 PM CDTSpecial Marine WarningLOT60 min
Sep 17, 7:30 AM CDTSpecial Marine WarningLOT90 min
Sep 17, 8:11 AM CDTSpecial Marine WarningLOT49 min
Sep 17, 8:53 AM CDTSpecial Marine WarningLOT2 hr
Sep 17, 12:35 PM CDTSpecial Marine WarningLOT115 min
Oct 21, 5:53 PM CDTSpecial Marine WarningLOT82 min
Oct 21, 7:13 PM CDTSpecial Marine WarningLOT82 min
Dec 9, 7:17 AM CSTSpecial Marine WarningLOT58 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 13, 20237special marine warnings
  2. July 5, 20235special marine warnings
  3. July 29, 20235special marine warnings
  4. April 5, 20234special marine warnings
  5. June 25, 20234special marine warnings
  6. September 17, 20234special marine warnings
  7. April 20, 20233special marine warnings
  8. July 22, 20233special marine warnings
  9. July 26, 20233special marine warnings
  10. August 12, 20233special marine warnings
  11. March 26, 20232special marine warnings
  12. July 15, 20232special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20222024

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.