mikegeukes
EF5
I found this searching the net, from Monthly Weather Review
a article on Tornadoes in Oklahoma 1875-1949.
http://docs.lib.noaa.gov/rescue/mwr/078/mwr-078-02-0023.pdf
a article on Tornadoes in Oklahoma 1875-1949.
http://docs.lib.noaa.gov/rescue/mwr/078/mwr-078-02-0023.pdf