Majority due to Katrina, I expect.
While checking on Rita, I found this. What the heck is going on near the Great Lakes?
http://wwwa.accuweather.com/maps-satellite.asp?partner=accuweather&myadc=0&traveler=1&zipcode=&site=WI_&type=ei&fday=1&anim=loop&large=0
Two of them were 2 hours old or more. The wind went up to 40 on one then nothing, the other I saw was less than that.