In 1927 - An outbreak of tornadoes from Oklahoma to Indiana killed 81 and caused 25 million dollars damage. A tornado (possibly two tornadoes) cut an eight-mile long path across St. Louis, Missouri, to Granite City Illinois, claiming 79 lives. The damage path at times was a mile and a quarter in width.
In 1983 - Heavy rains began in central and eastern Arizona which culminated in the worst flood in the history of the state. Eight to ten inch rains across the area caused severe flooding in southeastern Arizona which resulted in thirteen deaths and 178 million dollars damage.
In 1986 - A week of violent weather began in Oklahoma which culminated in one of the worst flooding events in the history of the state. On the first day of the week early morning thunderstorms caused more than a million dollars damage in south Oklahoma City. Thunderstorms produced 4 to 7 inches of rain from Hobart to Ponca City, and another round of thunderstorms that evening produced 7 to 10 inches of rain in north central and northeastern sections of Oklahoma.