Hallum, Nebraska
May 21-31, 2004 11 days 289 tornadoes Most in Nebraska and Iowa
May 22, 2004 Hallam Nebraska F4 The largest tornado of all time, funnel 2.5
miles wide
Hallam, Nebraska Struck at 8:33 p.m. 95% buildings destroyed Derailed a freight train and moved it 20
feet to the east.