F0 tornado in Grady County, Oklahoma

This is the final segment of the tornado that began in Caddo County, 1.4 miles northeast of Cogar, and moved east-northeast crossing into Grady County before dissipating. The tornado crossed the county line a quarter mile north of EW115 Road on NS275 Road. No significant damage was noted in Grady County. However, wheat swirls were seen just to the northeast of the location where the tornado crossed into Grady County.

All of the tornadoes, nine total, that occurred on May 9, 2003 were produced by the same supercell. This thunderstorm developed in southwest Oklahoma along a retreating dryline. The storm moved northeast across Oklahoma eventually dissipating in northeastern Oklahoma. Most of the tornadoes occurred after dark. Three of the tornadoes affected western and northern portions of the Oklahoma City Metropolitan area making two days in a row (see May 8, 2003 data) that the Oklahoma City metro area was affected by a tornadic thunderstorm. The strongest tornado, an F3, moved across portions of the northeastern metro area. Large hail and strong straight-line winds associated with the rear-flank downdraft also occurred with this tornadic supercell. Other severe thunderstorms produced damaging large hail and strong winds across portions of Oklahoma.