louisiana. look at all this moisture drug behind it. the heavy rain stays behind this system bringing with it what will be downpours. such little movement tells you it will have a lot of time to rain. the greatest flood risk continues to be off toward the center of the state and it runs all the way up to memphis. it's a lot of moisture and it's moving slow. there is a long ways to go at this point. eric: we can't forget hurricane katrina. it claimed the lives of about 1,800 people. they say a lot of lessons have been learned since that disaster. a sophisticated system of pulls and barriers and levees have been built. louisiana is responding to the storm. mike steel, the communications director at office of homeland