Also from PORTSIDE.  Of current relevance on the East Coast.

How a Hurricane is Born - The Science Of Superstorms

Uploaded by BBCWorldwide on Jul 31, 2009
A fascinating look at how a little girl walking in the
sand of the African desert could cause a hurricane 4000
miles away in the USA. Great video from BBC show The
Science of Superstorms. Contains some scenes that some
viewers may find upsetting.
July 31, 2009