Why did Mississippi flood start?

Answer 1

The effectiveness of flood controls on the Mississippi river was tested once again during the flood of 1993. An unusual weather pattern during the late summer of 1993 resulted in soaking rains in the northern Mississippi river valley. Some areas received over 30 inches of rain during the summer 200% more than usual. With high soil moisture levels and a large 1992 snow pack, much of the rain drained directly into the Mississippi river, resulting in a tremendous flood. The states of Minnesota Iowa, Illinois and Missouri were the hardest hit . The river height at St. Louis, Missouri was over 50 feet above the flood stage for over 100 days. Water from the flood covered over 17,000 square miles of normally dry land. The flood destroyed over 80% of levees in the upper Mississippi river.it also destroyed 50,000 homes and displaced 70,000 people 52 flood - related deaths occurred. The final estimate was 15- 20 billion dollars