[Strategerist]

By the way, I'll bet a gallon of gasoline that Katrina's landfall will eventually be upgraded to that of a Cat 5 system -- by the pressure alone, it was stronger than Andrew at landfall...

I'd bet you considerable money it isn't. The SOLE measure of a storms Saffir-Simpson category is sustained wind speed.

And pressure has nothing to do with the wind speed of a storm. It's the pressure DIFFERENCE between the region outside of the storm, and the storm itself. Andrew was in an environment surrounded by a higher background pressure.

[alancarp]

I'll stick with that bet ... besides, a gallon of gas might soon be "considerable money".