Alert archive / Illinois / Tornado Warnings / 1991

Tornado Warnings in Illinois, April 1991

10 tornado warnings in April 1991. 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 1991. Tap one for its archive.

Tornado Warnings: 10
Busiest day: April 30, 199110 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.

Issued	Product	Office	Counties	Lasted
Apr 29, 7:04 PM CDT	Tornado Warning	ILX	McLean, Woodford	26 min
Apr 29, 7:29 PM CDT	Tornado Warning	LOT	LaSalle	61 min
Apr 29, 7:33 PM CDT	Tornado Warning	ILX	McLean, Woodford	27 min
Apr 29, 7:41 PM CDT	Tornado Warning	ILX	DeKalb, Lee	34 min
Apr 29, 7:58 PM CDT	Tornado Warning	ILX	Boone	32 min
Apr 29, 8:02 PM CDT	Tornado Warning	ILX	McLean	58 min
Apr 29, 8:03 PM CDT	Tornado Warning	LOT	Grundy, Kendall	57 min
Apr 29, 8:03 PM CDT	Tornado Warning	LOT	Kane	57 min
Apr 29, 8:31 PM CDT	Tornado Warning	ILX	DeWitt, Piatt	44 min
Apr 29, 8:37 PM CDT	Tornado Warning	LOT	McHenry	68 min

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 1990 1992

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.