I was skeptical that the increase (in hurricane intensity) would be sufficient to observe by now ... (but) the increase has been much more than we would have guessed.

The hurricanes are following the tropical ocean temperature. The tropical ocean temperature is following the Northern Hemisphere. And it's very hard now to believe that there's anything natural about that.

It was almost like . . . a diabolical storm.

We were criticized by the seasonal forecasters for not including the other environmental factors, like wind shear, in our analysis. [We didn't do so] because on time scales longer than 2-3 years, these do not seem to matter very much. This paper more or less proves this point.

We could see that was going to happen about the time Katrina came off the west coast of Florida,

The temperature of the tropic oceans is warmer than it's been in 150 years,