User:Abigail&coring&coy&gaylen


 * During the evening of June 22, twelve tornadoes occurred across northern Illinois.  Ten of these were spawned from one long-lived, constantly cycling, rotating storm, known as a cyclic supercell storm, which tracked across Whiteside, Lee, LaSalle, Grundy, Will, and Kankakee Counties.
 * The heaviest damage was in Coal City (Grundy County) and Braidwood (Will County) which was caused by an EF-3 tornado with maximum winds of 160 mph, and the Woodhaven Campground in Sublette (Lee County) caused by an EF-2 tornado with maximum winds of 130 mph.
 * There were 14 injuries reported.  There were no fatalities.
 * The EF-3 Coal City to Braidwood tornado was the strongest tornado in Grundy County since an F3 tornado struck on July 17, 1972.
 * The atmosphere was primed for severe weather, with very warm, humid conditions, low pressure moving north of the region, and a strong jet stream aloft.  An outflow boundary from earlier storms during the late morning and early afternon may have been key to where the long-lived tornado-producing storm tracked.
 * In addition to tornado and wind damage, slow moving storms brought torrential rainfall of locally up to 3 to 5 inches to portions of Lee, Grundy, Will, and Kankakee counties, resulting in widespread flash flooding.  This rain fell on top of soil already saturated from repeated heavy rains over the past few weeks.
 * The possibility of severe weather in the region had been mentioned as early as Saturday, with the focus shifted southward to northern Illinois Sunday afternoon and into Monday.  A tornado watch and tornado warnings had been issued in advance of the storms.