Alert archive / Illinois / Special Marine Warnings

Special Marine Warnings in Illinois, 2011

63 special marine warnings in 2011. 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 2011. Tap one for its archive.

Special Marine Warnings
63
Busiest month
May17 special marine warnings
Busiest day
June 9, 20115 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
Mar 20, 3:21 PM CDTSpecial Marine WarningLOT84 min
Mar 20, 4:42 PM CDTSpecial Marine WarningLOT63 min
Mar 20, 6:11 PM CDTSpecial Marine WarningLOT49 min
Mar 20, 8:03 PM CDTSpecial Marine WarningLOT42 min
Apr 3, 9:22 PM CDTSpecial Marine WarningLOT26 min
Apr 3, 10:51 PM CDTSpecial Marine WarningLOT54 min
Apr 19, 7:08 PM CDTSpecial Marine WarningLOT52 min
Apr 19, 7:59 PM CDTSpecial Marine WarningLOT2 hr
Apr 19, 10:01 PM CDTSpecial Marine WarningLOT119 min
May 11, 5:21 PM CDTSpecial Marine WarningLOT114 min
May 11, 6:08 PM CDTSpecial Marine WarningLOT90 min
May 11, 6:14 PM CDTSpecial Marine WarningLOT85 min
May 11, 7:37 PM CDTSpecial Marine WarningLOT83 min
May 11, 8:57 PM CDTSpecial Marine WarningLOT32 min
May 22, 3:12 PM CDTSpecial Marine WarningLOT63 min
May 22, 3:21 PM CDTSpecial Marine WarningLOT114 min
May 22, 3:27 PM CDTSpecial Marine WarningLOT2 hr
May 22, 6:56 PM CDTSpecial Marine WarningLOT2 hr
May 22, 8:22 PM CDTSpecial Marine WarningLOT113 min
May 22, 10:25 PM CDTSpecial Marine WarningLOT59 min
May 25, 8:02 AM CDTSpecial Marine WarningLOT118 min
May 25, 9:58 AM CDTSpecial Marine WarningLOT65 min
May 25, 3:30 PM CDTSpecial Marine WarningLOT30 min
May 29, 11:19 AM CDTSpecial Marine WarningLOT3 hr
May 29, 11:22 AM CDTSpecial Marine WarningLOT3 hr
May 31, 2:19 PM CDTSpecial Marine WarningLOT100 min
Jun 4, 3:06 PM CDTSpecial Marine WarningLOT114 min
Jun 8, 9:12 PM CDTSpecial Marine WarningLOT2 hr
Jun 8, 9:55 PM CDTSpecial Marine WarningLOT95 min
Jun 8, 11:15 PM CDTSpecial Marine WarningLOT60 min
Jun 8, 11:30 PM CDTSpecial Marine WarningLOT60 min
Jun 9, 2:37 AM CDTSpecial Marine WarningLOT83 min
Jun 15, 6:04 AM CDTSpecial Marine WarningLOT116 min
Jun 15, 8:10 AM CDTSpecial Marine WarningLOT106 min
Jun 21, 7:19 PM CDTSpecial Marine WarningLOT3 hr
Jun 30, 5:26 PM CDTSpecial Marine WarningLOT94 min
Jun 30, 6:18 PM CDTSpecial Marine WarningLOT117 min
Jun 30, 7:14 PM CDTSpecial Marine WarningLOT61 min
Jun 30, 7:58 PM CDTSpecial Marine WarningLOT2 hr
Jun 30, 8:23 PM CDTSpecial Marine WarningLOT113 min
Jul 1, 12:54 PM CDTSpecial Marine WarningLOT66 min
Jul 11, 6:48 AM CDTSpecial Marine WarningLOT3 hr
Jul 22, 8:22 AM CDTSpecial Marine WarningLOT113 min
Jul 22, 10:13 AM CDTSpecial Marine WarningLOT103 min
Jul 23, 12:58 AM CDTSpecial Marine WarningLOT2 hr
Jul 23, 3:00 AM CDTSpecial Marine WarningLOT48 min
Jul 27, 9:52 PM CDTSpecial Marine WarningLOT113 min
Jul 27, 11:43 PM CDTSpecial Marine WarningLOT2 hr
Jul 29, 12:13 AM CDTSpecial Marine WarningLOT2 hr
Jul 29, 2:08 AM CDTSpecial Marine WarningLOT82 min
Aug 2, 5:23 PM CDTSpecial Marine WarningLOT2 hr
Aug 2, 6:15 PM CDTSpecial Marine WarningLOT110 min
Aug 2, 8:54 PM CDTSpecial Marine WarningLOT2 hr
Aug 7, 9:24 AM CDTSpecial Marine WarningLOT109 min
Aug 7, 3:55 PM CDTSpecial Marine WarningLOT2 hr
Aug 13, 12:00 PM CDTSpecial Marine WarningLOT3 hr
Aug 13, 2:02 PM CDTSpecial Marine WarningLOT88 min
Aug 20, 8:38 AM CDTSpecial Marine WarningLOT3 hr
Aug 20, 10:11 AM CDTSpecial Marine WarningLOT2 hr
Sep 3, 2:32 PM CDTSpecial Marine WarningLOT118 min
Sep 24, 11:36 AM CDTSpecial Marine WarningLOT114 min
Oct 23, 9:49 PM CDTSpecial Marine WarningLOT86 min
Nov 9, 10:10 AM CSTSpecial Marine WarningLOT2 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 9, 20115special marine warnings
  2. May 22, 20114special marine warnings
  3. July 1, 20114special marine warnings
  4. March 20, 20113special marine warnings
  5. April 20, 20113special marine warnings
  6. May 11, 20113special marine warnings
  7. May 25, 20113special marine warnings
  8. April 4, 20112special marine warnings
  9. May 12, 20112special marine warnings
  10. May 23, 20112special marine warnings
  11. May 29, 20112special marine warnings
  12. June 15, 20112special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.