The video has caused a furor in social networks, as soon as it was published by the United States Army Corps of Engineers in the district of Tulsa. As described, the vortex has almost two meters in diameter and capable of 'swallowing' a small boat.
However, engineers indicate that this vortex is actually a perfectly explicable phenomenon. "It's the same as when you fill a hot water in your home and then opens the drain, cause a vortex or swirling," said the director BJ Parkey.
The Texoma, one of the largest lakes in the United States, collects water from Denison Dam, located on the Red River. When the water level reaches critical levels, the army authorities opened the floodgates in the lake bottom to drain the surplus toward the river.
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