National Storm Chasers Convention '08 - Jonathan Merage
Jon Davies begins his highly educational presentations with a case study of the Spencer, SD tornadoes. 
For more info on this tornado outbreak event, check out this link: http://www.stormeyes.org/tornado/spencer/spenwx.htm

Jon Davies begins his highly educational presentations with a case study of the Spencer, SD tornadoes.
For more info on this tornado outbreak event, check out this link: http://www.stormeyes.org/tornado/spencer/spenwx.htm