Devastating tornadoes are tearing across parts of eastern Nebraska and Iowa on Friday as a multiday severe thunderstorm event ramped up in the central United States, injuring at least three people.

Tornadoes are a relatively rare event. Only a tiny percentage of thunderstorms ever go on to produce a tornado. No two twisters are alike—and some of those storms are truly bizarre. From twin ...

Tornado warnings were issued for several areas of Southeast Nebraska on Thursday evening as thunderstorms moved through the region. At about 6:40 p.m., a severe thunderstorm capable of producing a ...