Transcript for State of emergency declared in the Southern states
The other major headline this Monday night, the storm heading in tomorrow. It will effect millions during the commute from the northeast to the south. Major flood threatening homes and businesses along Mississippi's pearl river. Now this system that's on the way in, effecting again millions all the way into the northeast. We have the track of that storm, and ABC's Alex Perez, first, from Mississippi. Reporter: Tonight, across parts of the south, flood waters inundating hundreds of homes, after relentless rounds of heavy rain. In Mississippi's capital, Jackson, the pearl river cresting at just under 37 feet, a level now seen in nearly 40 years. Look in the distance there. You can see a car completely submerged, and of course the homes on the other side of the street. Officials say as many as 1,000 homes across the area have been damaged. Flooding not the only danger. In Tennessee, this video from east of Memphis capturing a home sliding down the rain-saturated banks of the Tennessee river. One of two homes destroyed there over the weekend. This as Mississippi first responders went door-to-door as the waters rose here. Using airboats to bring families to safety. You got water in places where normally water doesn't get to. Reporter: Today, we rode along, as authorities searched one more time. That's just something we urge the public strongly, keep your loved ones out of this. Reporter: Animal rescue groups helping save the pets You can't go up that tree, baby, we're here to help you. Reporter: Shelters also taking in animals from families until they are able to return home. David, you can see those water-logged streets behind me some of it is receding, but there is more rain on the way and it won't take much to create more problems, so, they are not in the clear here just yet. David? So hard to cease though pelts trapped in the floods. Alex, thank you. Let's get to rob Marciano with
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