Alert archive / Illinois / Tornado Warnings / 2011

Tornado Warnings in Illinois, April 2011

76 tornado warnings in April 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in April 2011. Tap one for its archive.

Tornado Warnings
76
Busiest day
April 20, 201126 tornado warnings

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
Apr 4, 10:32 AM CDTTornado WarningPAHMassac, Pope28 min
Apr 4, 10:47 AM CDTTornado WarningPAHMassac, Pope28 min
Apr 15, 4:47 PM CDTTornado WarningPAHAlexander19 min
Apr 15, 4:54 PM CDTTornado WarningLSXMacoupin38 min
Apr 15, 4:56 PM CDTTornado WarningLSXMontgomery34 min
Apr 15, 4:59 PM CDTTornado WarningILXSangamon46 min
Apr 15, 5:01 PM CDTTornado WarningPAHJackson29 min
Apr 15, 5:06 PM CDTTornado WarningILXMason, Menard39 min
Apr 15, 5:10 PM CDTTornado WarningLSXMadison, Saint Clair35 min
Apr 15, 5:17 PM CDTTornado WarningILXSangamon43 min
Apr 15, 5:28 PM CDTTornado WarningILXMorgan, Sangamon47 min
Apr 15, 5:40 PM CDTTornado WarningILXFulton, Mason, Tazewell50 min
Apr 15, 5:42 PM CDTTornado WarningILXLogan, Menard, Sangamon48 min
Apr 15, 5:52 PM CDTTornado WarningILXMason, Menard17 min
Apr 15, 6:00 PM CDTTornado WarningILXSangamon45 min
Apr 15, 6:27 PM CDTTornado WarningILXLogan, Mason, Menard, Sangamon48 min
Apr 19, 3:59 PM CDTTornado WarningLSXPike46 min
Apr 19, 4:18 PM CDTTornado WarningLSXCalhoun, Greene, Pike42 min
Apr 19, 4:31 PM CDTTornado WarningLSXCalhoun44 min
Apr 19, 4:59 PM CDTTornado WarningLSXGreene, Pike46 min
Apr 19, 5:36 PM CDTTornado WarningLSXMacoupin39 min
Apr 19, 6:01 PM CDTTornado WarningLSXMontgomery44 min
Apr 19, 6:05 PM CDTTornado WarningLSXMacoupin, Montgomery40 min
Apr 19, 6:12 PM CDTTornado WarningILXChristian, Sangamon36 min
Apr 19, 6:22 PM CDTTornado WarningILXChristian25 min
Apr 19, 6:29 PM CDTTornado WarningILXChristian, Shelby46 min
Apr 19, 6:31 PM CDTTornado WarningLSXMontgomery27 min
Apr 19, 6:45 PM CDTTornado WarningILXChristian21 min
Apr 19, 6:52 PM CDTTornado WarningILXShelby38 min
Apr 19, 6:54 PM CDTTornado WarningILXMacon, Piatt36 min
Apr 19, 7:00 PM CDTTornado WarningILXColes, Douglas, Moultrie, Piatt, Shelby45 min
Apr 19, 7:15 PM CDTTornado WarningILXShelby45 min
Apr 19, 7:17 PM CDTTornado WarningILXChampaign, Piatt28 min
Apr 19, 7:26 PM CDTTornado WarningILXChampaign, Coles, Douglas34 min
Apr 19, 7:30 PM CDTTornado WarningLSXMadison, Saint Clair45 min
Apr 19, 7:34 PM CDTTornado WarningLSXRandolph41 min
Apr 19, 7:37 PM CDTTornado WarningLSXMonroe36 min
Apr 19, 7:51 PM CDTTornado WarningLSXSaint Clair39 min
Apr 19, 7:54 PM CDTTornado WarningLSXRandolph36 min
Apr 19, 8:00 PM CDTTornado WarningLSXBond, Clinton, Madison45 min
Apr 19, 8:10 PM CDTTornado WarningILXVermilion20 min
Apr 19, 8:14 PM CDTTornado WarningPAHJackson, Union31 min
Apr 19, 8:18 PM CDTTornado WarningLSXRandolph, Saint Clair, Washington42 min
Apr 19, 8:26 PM CDTTornado WarningPAHJackson, Perry18 min
Apr 19, 8:33 PM CDTTornado WarningLSXFayette42 min
Apr 19, 8:33 PM CDTTornado WarningLSXBond, Clinton, Fayette, Marion, Washington57 min
Apr 19, 8:52 PM CDTTornado WarningILXEffingham, Shelby38 min
Apr 19, 8:53 PM CDTTornado WarningPAHJefferson, Perry, Wayne37 min
Apr 19, 9:13 PM CDTTornado WarningPAHHamilton, White32 min
Apr 19, 9:26 PM CDTTornado WarningPAHWayne23 min
Apr 19, 9:29 PM CDTTornado WarningPAHWhite31 min
Apr 19, 9:30 PM CDTTornado WarningPAHAlexander, Jackson30 min
Apr 19, 9:35 PM CDTTornado WarningPAHEdwards, Wabash, Wayne25 min
Apr 19, 9:39 PM CDTTornado WarningPAHAlexander36 min
Apr 19, 9:46 PM CDTTornado WarningILXCrawford, Jasper, Lawrence, Richland44 min
Apr 19, 9:54 PM CDTTornado WarningPAHAlexander, Pulaski, Union20 min
Apr 22, 6:55 PM CDTTornado WarningLSXCalhoun50 min
Apr 22, 7:59 PM CDTTornado WarningLSXMadison, Saint Clair46 min
Apr 22, 8:21 PM CDTTornado WarningLSXMonroe, Saint Clair39 min
Apr 22, 8:33 PM CDTTornado WarningLSXMadison, Saint Clair42 min
Apr 22, 8:48 PM CDTTornado WarningLSXMonroe, Saint Clair57 min
Apr 22, 8:55 PM CDTTornado WarningLSXBond, Clinton, Fayette, Madison, Saint Clair50 min
Apr 22, 9:24 PM CDTTornado WarningLSXClinton, Washington36 min
Apr 22, 9:38 PM CDTTornado WarningPAHMassac, Pope, Pulaski35 min
Apr 22, 9:41 PM CDTTornado WarningLSXBond, Fayette, Marion22 min
Apr 22, 10:31 PM CDTTornado WarningLSXMonroe, Randolph, Saint Clair44 min
Apr 23, 2:20 PM CDTTornado WarningPAHAlexander, Massac, Pulaski25 min
Apr 23, 2:50 PM CDTTornado WarningPAHMassac, Pope25 min
Apr 25, 6:41 PM CDTTornado WarningPAHJackson34 min
Apr 26, 5:38 PM CDTTornado WarningPAHAlexander11 min
Apr 27, 3:59 PM CDTTornado WarningPAHAlexander31 min
Apr 27, 4:16 PM CDTTornado WarningPAHJackson, Union29 min
Apr 27, 4:25 PM CDTTornado WarningPAHAlexander, Pulaski, Union35 min
Apr 27, 4:44 PM CDTTornado WarningPAHJackson, Union31 min
Apr 27, 4:56 PM CDTTornado WarningPAHFranklin, Johnson, Pulaski, Union, Williamson49 min
Apr 27, 5:35 PM CDTTornado WarningPAHPope, Saline16 min

By county

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

12 more counties

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. Rebuilt daily.