Alert archive / Illinois / Severe Thunderstorm Warnings / 1999

Severe Thunderstorm Warnings in Illinois, May 1999

78 severe thunderstorm warnings in May 1999. 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 1999. Tap one for its archive.

Severe Thunderstorm Warnings: 78
Busiest day: May 17, 199940 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 5, 1:40 PM CDT	Severe Thunderstorm Warning	PAH	Jefferson	35 min
May 5, 2:03 PM CDT	Severe Thunderstorm Warning	LSX	Marion	47 min
May 5, 2:14 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	16 min
May 5, 2:16 PM CDT	Severe Thunderstorm Warning	ILX	Clay	44 min
May 5, 2:25 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Williamson	35 min
May 5, 2:30 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	15 min
May 5, 2:35 PM CDT	Severe Thunderstorm Warning	ILX	Richland	40 min
May 5, 3:02 PM CDT	Severe Thunderstorm Warning	PAH	Saline	43 min
May 5, 3:11 PM CDT	Severe Thunderstorm Warning	ILX	Jasper, Richland	49 min
May 5, 3:28 PM CDT	Severe Thunderstorm Warning	ILX	Crawford	62 min
May 5, 5:24 PM CDT	Severe Thunderstorm Warning	LSX	Washington	36 min
May 5, 5:36 PM CDT	Severe Thunderstorm Warning	LSX	Marion	49 min
May 5, 5:41 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	49 min
May 5, 6:16 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	34 min
May 5, 6:18 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	57 min
May 5, 6:23 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	47 min
May 5, 6:25 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper	65 min
May 5, 7:14 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	61 min
May 5, 7:16 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	74 min
May 5, 7:47 PM CDT	Severe Thunderstorm Warning	ILX	Logan	58 min
May 5, 8:08 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	52 min
May 5, 8:18 PM CDT	Severe Thunderstorm Warning	ILX	McLean	42 min
May 5, 8:34 PM CDT	Severe Thunderstorm Warning	ILX	Woodford	56 min
May 5, 8:39 PM CDT	Severe Thunderstorm Warning	ILX	Logan	51 min
May 5, 9:01 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean	59 min
May 5, 9:22 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, LaSalle	58 min
May 12, 2:24 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan	36 min
May 12, 3:00 PM CDT	Severe Thunderstorm Warning	ILX	Cass	30 min
May 12, 3:12 PM CDT	Severe Thunderstorm Warning	ILX	McLean	48 min
May 12, 3:23 PM CDT	Severe Thunderstorm Warning	ILX	Mason	52 min
May 12, 3:54 PM CDT	Severe Thunderstorm Warning	DVN	Carroll	31 min
May 12, 4:50 PM CDT	Severe Thunderstorm Warning	LOT	Ogle	40 min
May 12, 6:04 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	31 min
May 12, 6:06 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	34 min
May 16, 4:59 PM CDT	Severe Thunderstorm Warning	LSX	Adams	61 min
May 16, 5:58 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown	47 min
May 16, 6:28 PM CDT	Severe Thunderstorm Warning	LOT	Boone	32 min
May 16, 6:42 PM CDT	Severe Thunderstorm Warning	LOT	McHenry	33 min
May 16, 7:58 PM CDT	Severe Thunderstorm Warning	LOT	Lake	32 min
May 16, 8:02 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason	43 min
May 16, 8:51 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	49 min
May 16, 11:28 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island	47 min
May 16, 11:37 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess	48 min
May 16, 11:59 PM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	61 min
May 17, 12:11 AM CDT	Severe Thunderstorm Warning	LOT	Winnebago	64 min
May 17, 12:34 AM CDT	Severe Thunderstorm Warning	ILX	Stark	41 min
May 17, 12:45 AM CDT	Severe Thunderstorm Warning	ILX	Peoria	45 min
May 17, 1:06 AM CDT	Severe Thunderstorm Warning	ILX	Tazewell	39 min
May 17, 1:15 AM CDT	Severe Thunderstorm Warning	ILX	Woodford	45 min
May 17, 1:29 AM CDT	Severe Thunderstorm Warning	ILX	Scott	31 min
May 17, 1:40 AM CDT	Severe Thunderstorm Warning	ILX	Morgan	50 min
May 17, 1:52 AM CDT	Severe Thunderstorm Warning	LOT	Cook, Lake	53 min
May 17, 1:56 AM CDT	Severe Thunderstorm Warning	ILX	Tazewell	34 min
May 17, 2:12 AM CDT	Severe Thunderstorm Warning	ILX	Cass	48 min
May 17, 2:43 AM CDT	Severe Thunderstorm Warning	LSX	Pike	47 min
May 17, 7:43 AM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason	47 min
May 17, 9:46 AM CDT	Severe Thunderstorm Warning	ILX	McLean	29 min
May 17, 10:43 AM CDT	Severe Thunderstorm Warning	LOT	Will	32 min
May 17, 2:25 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	35 min
May 17, 2:47 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	58 min
May 17, 3:02 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Washington	48 min
May 17, 3:09 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Union	51 min
May 17, 3:14 PM CDT	Severe Thunderstorm Warning	PAH	Pulaski	61 min
May 17, 3:27 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Williamson	63 min
May 17, 3:27 PM CDT	Severe Thunderstorm Warning	PAH	Perry	63 min
May 17, 3:32 PM CDT	Severe Thunderstorm Warning	PAH	Massac	58 min
May 17, 3:32 PM CDT	Severe Thunderstorm Warning	PAH	Franklin	58 min
May 17, 3:39 PM CDT	Severe Thunderstorm Warning	LSX	Marion	46 min
May 17, 3:52 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	48 min
May 17, 3:56 PM CDT	Severe Thunderstorm Warning	PAH	Pope, Saline	64 min
May 17, 4:13 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hardin	47 min
May 17, 4:24 PM CDT	Severe Thunderstorm Warning	PAH	White	51 min
May 17, 4:25 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham	65 min
May 17, 4:30 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	45 min
May 17, 4:41 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash	49 min
May 17, 4:59 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper, Richland	31 min
May 17, 5:06 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	39 min
May 17, 5:25 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford	35 min

By county

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

23 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 1998 2000

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.