Did native Americans avoid living in tornado alley?
No. Native Americans definitely lived in Tornado Alley. However, tornadoes are not all that common. Even in Tornado Alley, most people are never impacted by a tornado.
No. Tornado Alley is in the central part of the United States, running roughly from Texas north to South Dakota and Iowa. California is about 700 miles west of the nearest part of Tornado Alley. California does get tornadoes, but these tornadoes are not as frequent nor as as strong as those in Tornado Alley.