![]() I looked outside, and the next thing I know my car was going. 'It started raining, and the rain got heavier and heavier. Since those neighborhoods were designed to rely on the tributaries for drainage, the water has no place to go and so just sits. Alice Williams of Baton Rouge said the flooding came on fast. Here is a gallery of the flooding in our viewing area as of 12:05 p.m. With the tributaries already swollen from the same rainfall, the inability for them to drain plus the addition of extra water from the main river channel can cause the tributaries to back up into the neighborhoods around them. BATON ROUGE, La (BRPROUD) With the constant rainfall we are experiencing today, flooded areas are expected. BATON ROUGE - Much of the WBRZ viewing area is under a flash flood watch as excessive rain pours in during Sunday's storms. In Baton Rouge right now, the main river channels have become so full of water that this water is backing up the tributaries. Stay up to date with road closures, weather hazards here. This backwater flooding is worsened when rain continues to fall on the land and more water piles up in the tributaries as those streams cannot quickly discharge the accumulated rainwater into the main channel. When large floods occur, water from the main channel backs up into the tributaries and spills over onto the land surface. The tributaries, in turn, are usually lower than the land that drains into them. So the water levels in the main river channels are usually lower than the tributaries that empty into them. Water flows downhill that’s one of the things everyone knows about it. This process is known as backwater flooding, and it’s responsible for much of the neighborhood flooding happening in Baton Rouge.Ī flooded house near the confluence of the Comite and Amite Rivers near Denham Springs, LA.James Fountain, USGSPublic domain So as the Amite and Comite fill with water, the ability of those tributaries to pass the accumulated rainfall is greatly diminished, so the water backs up, much like a traffic jam caused by road construction does on the freeway, causing flooding upstream. The historic rainfall has filled not only the Amite and Comite, but also their many tributaries, including bayous, creeks, streams, canals, and culverts. BATON ROUGE - Much of the WBRZ viewing area is under a flash flood watch as excessive rain pours in during Sundays storms. With the construction of the Mississippi River levees, the Comite (pronounced KOH-meet) and Amite (pronounced A-meet) rivers became the primary drainage flows to Lake Maurepas and eventually the Gulf of Mexico. Stay up to date with road closures, weather hazards here. Part of the reason the flooding has been so extensive is that the natural drainage of Baton Rouge and its environs has become overwhelmed. With historic rainfall and swollen rivers, the flooding has reached beyond river banks and into neighborhoods and homes, resulting in the deaths of several people and the displacement of thousands. ![]() By now you’ve probably seen the flooding in Louisiana and Mississippi, with the worst of it centered in Baton Rouge, La.
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