Alert archive / Illinois / Severe Thunderstorm Warnings / 2009

Severe Thunderstorm Warnings in Illinois, May 2009

103 severe thunderstorm warnings in May 2009. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in May 2009. Tap one for its archive.

Severe Thunderstorm Warnings: 103
Busiest day: May 8, 200931 severe thunderstorm 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.

Issued	Product	Office	Counties	Lasted
May 6, 3:10 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	20 min
May 6, 3:53 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	22 min
May 7, 3:48 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle	42 min
May 7, 4:06 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall, LaSalle, Will	37 min
May 7, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Menard, Schuyler, Tazewell	46 min
May 7, 4:39 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Kendall, Will	28 min
May 7, 4:53 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard, Sangamon	52 min
May 7, 5:33 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Sangamon	42 min
May 7, 5:43 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon	47 min
May 7, 6:13 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	47 min
May 7, 6:49 PM CDT	Severe Thunderstorm Warning	LSX	Adams	48 min
May 7, 6:57 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	48 min
May 7, 7:24 PM CDT	Severe Thunderstorm Warning	LSX	Adams	13 min
May 7, 7:53 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Moultrie, Shelby	52 min
May 7, 8:15 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford, Cumberland, Jasper	45 min
May 7, 10:26 PM CDT	Severe Thunderstorm Warning	LSX	Madison	47 min
May 7, 11:33 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	14 min
May 7, 11:35 PM CDT	Severe Thunderstorm Warning	PAH	Jackson, Perry	40 min
May 8, 12:08 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Williamson	52 min
May 8, 12:22 AM CDT	Severe Thunderstorm Warning	PAH	Jackson	10 min
May 8, 12:43 AM CDT	Severe Thunderstorm Warning	PAH	Perry	25 min
May 8, 12:50 AM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline, Williamson	40 min
May 8, 1:20 AM CDT	Severe Thunderstorm Warning	PAH	Jackson, Union, Williamson	40 min
May 8, 1:30 AM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hardin, Pope, Saline	34 min
May 8, 1:43 AM CDT	Severe Thunderstorm Warning	PAH	Jackson	47 min
May 8, 1:51 AM CDT	Severe Thunderstorm Warning	PAH	Johnson, Union, Williamson	39 min
May 8, 1:55 AM CDT	Severe Thunderstorm Warning	PAH	Hardin, Pope	35 min
May 8, 2:13 AM CDT	Severe Thunderstorm Warning	PAH	Jackson, Union, Williamson	32 min
May 8, 2:30 AM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac, Pope	45 min
May 8, 10:34 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	41 min
May 8, 10:45 AM CDT	Severe Thunderstorm Warning	PAH	Jackson	45 min
May 8, 10:53 AM CDT	Severe Thunderstorm Warning	PAH	Alexander, Pulaski, Union	67 min
May 8, 11:16 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Williamson	44 min
May 8, 11:27 AM CDT	Severe Thunderstorm Warning	PAH	Jackson	38 min
May 8, 11:34 AM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac, Pope, Pulaski	56 min
May 8, 12:27 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	50 min
May 8, 12:33 PM CDT	Severe Thunderstorm Warning	PAH	Jackson, Perry, Union	42 min
May 8, 12:56 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jefferson, Johnson, Union, Williamson	64 min
May 8, 1:14 PM CDT	Severe Thunderstorm Warning	PAH	Jackson, Perry, Union	46 min
May 8, 1:29 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hamilton, Saline, Wayne, White	61 min
May 8, 1:57 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jefferson, Williamson	48 min
May 8, 2:16 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Gallatin, Wabash, White	59 min
May 8, 2:25 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hamilton, Saline, Wayne, White	35 min
May 8, 7:40 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island	49 min
May 8, 7:57 PM CDT	Severe Thunderstorm Warning	DVN	Henderson, Mercer, Warren	63 min
May 8, 8:29 PM CDT	Severe Thunderstorm Warning	ILX	Knox	46 min
May 8, 8:55 PM CDT	Severe Thunderstorm Warning	ILX	Stark	35 min
May 8, 9:15 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Peoria, Stark	31 min
May 13, 4:18 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Pike	42 min
May 13, 9:13 AM CDT	Severe Thunderstorm Warning	LSX	Montgomery	47 min
May 13, 5:36 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell, Woodford	24 min
May 13, 5:54 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, LaSalle, Livingston	34 min
May 13, 6:26 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, LaSalle, Lee, Ogle	28 min
May 13, 9:19 PM CDT	Severe Thunderstorm Warning	LOT	Boone, Ogle, Winnebago	56 min
May 13, 9:21 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	39 min
May 13, 9:30 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	45 min
May 13, 9:45 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark, Woodford	36 min
May 13, 9:59 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, Kane, McHenry, Ogle, Winnebago	61 min
May 13, 10:11 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon, Scott	49 min
May 13, 10:35 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Grundy, Will	40 min
May 13, 10:41 PM CDT	Severe Thunderstorm Warning	ILX	Christian, DeWitt, Logan, Macon, Menard, Morgan and 1 more	49 min
May 13, 11:07 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean	37 min
May 13, 11:13 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Ford, Iroquois, Kankakee, Livingston, Will	62 min
May 13, 11:26 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Livingston	34 min
May 13, 11:27 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Christian, DeWitt, Douglas, Macon, Moultrie and 2 more	48 min
May 13, 11:38 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean, Piatt	13 min
May 13, 11:56 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Effingham, Shelby	64 min
May 13, 11:57 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Montgomery	33 min
May 14, 12:07 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Christian, Coles, Cumberland, Douglas, Edgar and 4 more	38 min
May 14, 12:15 AM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	43 min
May 14, 12:17 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison	43 min
May 14, 12:23 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair, Washington	52 min
May 14, 12:44 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Clay, Coles, Cumberland, Edgar, Effingham and 2 more	61 min
May 14, 1:12 AM CDT	Severe Thunderstorm Warning	ILX	Edgar	38 min
May 14, 1:18 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	57 min
May 14, 1:30 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jefferson, Perry, Wayne	45 min
May 14, 1:50 AM CDT	Severe Thunderstorm Warning	PAH	Wayne	25 min
May 14, 2:14 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Crawford, Jasper, Lawrence, Richland	43 min
May 14, 2:19 AM CDT	Severe Thunderstorm Warning	PAH	Jackson, Williamson	41 min
May 14, 3:04 AM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Saline	26 min
May 14, 3:38 AM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope	17 min
May 14, 3:51 AM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac, Pope	24 min
May 15, 2:43 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	47 min
May 15, 5:12 PM CDT	Severe Thunderstorm Warning	LSX	Pike	63 min
May 15, 5:40 PM CDT	Severe Thunderstorm Warning	LSX	Pike	35 min
May 15, 5:58 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	47 min
May 15, 6:06 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	54 min
May 15, 6:09 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois	66 min
May 15, 6:09 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Pike	51 min
May 15, 6:26 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard, Sangamon	30 min
May 15, 6:42 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Sangamon	48 min
May 15, 6:59 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey, Madison, Saint Clair	46 min
May 15, 7:04 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	41 min
May 15, 7:19 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	41 min
May 15, 7:50 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	40 min
May 15, 8:33 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	22 min
May 15, 8:48 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Moultrie, Shelby	42 min
May 15, 8:55 PM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	20 min
May 27, 5:10 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	32 min
May 27, 5:28 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette	36 min
May 27, 8:08 PM CDT	Severe Thunderstorm Warning	ILX	Crawford	27 min
May 30, 6:25 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Douglas, Edgar	50 min
May 30, 6:53 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon	25 min

By county

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

52 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2008 2010

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.