In some places, more than 30 inches of rain fell. Pools of water are still just sitting there. Thousands have been misplaced. Watch these five videos to see how serious this situation is. Pray for Louisiana.
Crisp three minute aerial video from NOLA.com.
Prepare to mute the volume and watch this aerial footage by Live Storms Media that goes on and on for twelve minutes.
BBC made this amazing video with magically transforming before-and-after shots.
The National provided this informative two minute report describing the scale of the event.
Finally, this video from WAFB shows a woman being rescued just as her vehicle goes under. That was close.