★ 6.4
★ 6.2
★ 5.1
★ 5.7
★ 5.6
★ 6.7
★ 6.3
★ 5.9
★ 0.0
★ 6.5
★ 6.0
★ 5.4
★ 5.8
★ 6.1
Three tornadoes converge to wreak havoc on Chicago, disrupting the power grid and creating the worst super-storm in history: a category 6 twister.
