Sent in from Jc R-Photography and one of my business associates, Tony, both who work for Ive been in touch with JC for a while now, he has an impressive weather photography portfolio, but this is by far his most impressive:JC is selling prints on his Zen Folio site with a percentage of the proceeds going to the victims of the Oklahoma Tornado:

Amazing Shot of Oklahoma Tornado by JC R Photography
Check out his 2 Videos of it, impressive footage: