On Thu, 22 Nov 2007 07:29:54 -0800 (PST), Shaun Eli
wrote:

Thank you all for your help. I find it interesting that some people
are saying that it's easily the result of saw kickback, and others are
suggesting that the whole thing is a hoax.

I must be alone, thinking "Mother Nature".

"A microburst often has high winds that can knock over full grown
trees. They usually last for a couple of seconds."

http://en.wikipedia.org/wiki/Microburst