Thunderstorm Wind in Red River County, Texas

A tree was blown down in Clarksville.

Southwest flow aloft developed ahead of a longwave upper trough that entered portions of the Southern Plains and Ozarks region. This resulted in an increase in elevated moisture from the eastern Pacific, specifically from Hurricane Lorena, even as a weak cool front drifted southeast into portions of North Texas, Southeast Oklahoma, and Western Arkansas late in the day on September 5th. Ample Gulf moisture was present ahead of the front, with compressional warming contributing to strong instability as large scale forcing increased with the approaching front. As a result, scattered strong to severe thunderstorms developed over portions of extreme Northeast Texas, Southeast Oklahoma, and Southwest Arkansas during the late evening into the early morning hours of the 5th-6th. One isolated severe thunderstorm producing damaging winds which downed a tree near Clarksville.