The National Weather Service says it has evidence that at least six tornadoes formed April 17 in eastern Nebraska and western Iowa. The strongest of the tornadoes, an EF3, developed about 6:55 p.m.
No warning sirens wailed. Only a roar foreshadowed the deadliest tornado outbreak in Nebraska history. In Omaha, 101 people died. In and around Yutan, the casualties numbered 20. A dozen died in Otoe ...