Comment Comment by dave78 That map is not showing "tornado alley", this one is (from the same Wikipedia article):https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/To...Note that there's no formal definition, but most people would not consider Missouri/Illinois to be "in" tornado alley, despite regular tornadic activity. parent dave78 4 years ago
https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/To...
Note that there's no formal definition, but most people would not consider Missouri/Illinois to be "in" tornado alley, despite regular tornadic activity.