Abstract: The synoptic and physical characteristics of Oklahoma tornadoes are studied for the 16-year period 1959?74. When the Oklahoma results are compared with tornadoes in Iowa (Notis and Stanford, 1973), grouping tornadoes into ...

Abstract: Results are presented from a systematic study of 386 Iowa tornadoes reported over a 13-year period (1959?71). The tornado occurrences are studied as a function of time of day, date, path length, width, 500-mb flow, and ...