The relationship between the low-level jet and thunderstorm activity in the south-central United States is examined through mesoanalysis of surface data from Weather Bureau and NSSP stations. Separate squall systems moved through Kansas and Oklahoma during the night; the systems in Kansas persisted while those in Oklahoma died out. The most likely explanation for this is the synoptic-scale vertical velocities in the vicinity of the low-level jet.




Research for this study was supported by the U.S. Army Signal Corps under Contract DA 36-039 SC-88932 to the Department of Meteorology of the University of Chicago.