Alabaster-area historical tornado activity is slightly above Alabama state average. It is 120% greater than the overall U.S. average. On 4/4/1977 , a category F5 ( max. wind speeds 261-318 mph) tornado 20.9 miles away from the Alabaster city center killed 22 people and injured 130 people and caused between $5,000,000 and $50,000,000 in damages.

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