Well, I've seen several websites to access satelite pictures of the area, so if you (or anyone else) would like some of the links let me know. It won't show exactly what happened, but he might be able to see if the house is under water or not. There actually is a rather sharp divide between flooded and non-flooded. Much of the area West of the Metaire Outfall Canal doesn't look really bad as far as flood waters go.
Also, after initial stupidity many of the people who have had reservations for football games are giving them up, you can read about it
here.