"18"^^ . . . . . . "A destructive tornado outbreak devastated parts of the U.S. Upper Midwest on April 20, 2004. A total of 31 tornadoes formed in eastern Iowa, extending into northern and central Illinois and Indiana. A tornado that struck Utica, Illinois, was the only one to cause fatalities. An unusual feature of the outbreak is the fact that it was largely unexpected, as the SPC only predicted a \"slight risk\" of severe weather on the day of the event."@en . . . "31"^^ . . . . . "no"@en . . . . . "Granville\u2013Utica, Illinois"@en . . . . . . . . . . . . . . . . . . . . . . . . . "Tornado outbreak of April 20, 2004"@en . . . . . . . . . . "$8+ million"@en . . . . . . . . . . . . "Memorial crosses, Utica"@en . . . . "1086016518"^^ . . . . . . . . . . . . . . . . . . . . . "31"^^ . "8"^^ . . . . . "18719"^^ . . . . . . . . "--04-20"^^ . "A destructive tornado outbreak devastated parts of the U.S. Upper Midwest on April 20, 2004. A total of 31 tornadoes formed in eastern Iowa, extending into northern and central Illinois and Indiana. A tornado that struck Utica, Illinois, was the only one to cause fatalities. An unusual feature of the outbreak is the fact that it was largely unexpected, as the SPC only predicted a \"slight risk\" of severe weather on the day of the event."@en . "2004-04-20"^^ . "10"^^ . . . . . "F3"@en . . "2"^^ . . . "14400.0"^^ . "0"^^ . . . "1"^^ . . . . . "2664400"^^ . . . . "Tornado outbreak"@en . . .