EF2 tornado in Cleveland County, Oklahoma

The eleventh tornado of the outbreak, and the fourth of four in the Etowah area, developed a minute or two after tornado #9 dissipated. This tornado developed near 180th Avenue and Post Oak Road and quickly become a very wide tornado as it moved north-northeast, and then northeast before crossing into Pottawatomie County just south of Lindsey Street. Numerous EF2 rated points were observed during the first two miles of the tornado path including significant damage to homes and destruction of mobile homes.

Broad troughing was present aloft across the Western US during the afternoon/evening of the 19th. An area of surface low-pressure slowly deepened and moved towards north-central Kansas, with dryline extending from central Kansas through western-north Texas by the late afternoon hours. A well-timed lead upper wave, combined with broken insolation, led to the development of a few supercell thunderstorms across central Oklahoma. Multiple instances of large to very large (>2 inches) hail, along with 18 tornadoes, occurred across central Oklahoma.