Originally Posted By: Cecil Baird1
I wonder if there was a map that showed touch downs over the last several hundred years if there would be any ground that was untouched here in the Midwest? It would be interesting to see if certain small areas got hit over and over and some that never did.

Sadly it makes sense that as temps moderate some years, that tornado alley could move north -- at least briefly. Could this be the earliest on record for a tornado outbreak of this magnitude this far north?

http://web2.airmail.net/danb1/usrecords.htm

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