Tornado statistics from MU atmospheric scientists
Given the high interest in historical information on tornadoes, University of Missouri atmospheric scientist Pat Guinan and others have compiled the following statistics: Typically, 70% of all Missouri tornadoes occur between March-June.
Annual average number of tornadoes in Missouri: 26.
On average, May is the peak tornado month in Missouri followed by April, then June.
Deadliest single tornado to strike Missouri: St. Louis, Mo.,