With Increased Destruction, a New Tornado Alley Emerges. Now there is a Dixie Alley in addition to the well-know Tornado Alley in the western U.S.
It’s no mystery why the stretch of America’s heartland from Iowa to Texas became known as Tornado Alley. Every spring, twisters up to two-and-a-half miles wide—wider than Manhattan—churn across flat fields, open roads and, typically, sparsely populated towns, causing hundreds of millions of dollars of property damage each year.
In terms of the number of twisters, Tornado Alley is still dominant. But in recent decades, the bulk of the destruction inflicted by these storms has shifted to the southeast U.S., a swath of states from Louisiana to Georgia meteorologists have dubbed Dixie Alley