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LOUISIANA (CW39) More than a dozen people are missing after a compact, circular low pressure system grew out of a line of thunderstorms that swamped southeast Louisiana Tuesday morning and afternoon.

The tropical storm-force winds that overturned the Seacor Power lift boat eight miles south of Port Fourchon were created by a rare weather event called a wake low.

So far 6 out of 18 crew members have been rescued. A good Samaritan saved four people and the coast guard rescued two others. The National Weather Center Station near that area recorded a wind gust of 75mph during the height of the storm. The Houston Coast Guard is assisting in the recovery efforts including providing a search plane.