Millbrook-area historical tornado activity is slightly below Alabama state average. It is 51% greater than the overall U.S. average. On 5/3/1984 , a category F3 ( max. wind speeds 158-206 mph) tornado 3.5 miles away from the Millbrook city center killed 5 people and injured 37 people and caused between $500,000 and $5,000,000 in damages.

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