Maximum Velocity - is the premise legitimate?

Infowolf1

From:	Infowolf1
Subject:	Maximum Velocity - is the premise legitimate?
Date:	14 Nov 2004 07:25:46 GMT

I just saw this movie on TV. It is based on the idea that
an asteroid grazing the upper atmosphere could start a
superstorm.

Any validity to this scenario? I have never heard of it
before.