Louisiana & Alabama Hurricane, Sept - Oct 1860

The next hurricane [to hit Louisiana and Alabama in 1860], number 6, also a category 2, formed northwest of the Yucatan peninsula September 30 to October 3. It travel north and crossed the Louisiana coast west of Terrebonne Parish in the vicinity of the Atchafalaya Bay. It finally dissipated over northern Mississippi.

http://weather.unisys.com/hurricane/atlantic/1860

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