Brown = 5% is the significant threat area. This includes St. Louis, Springfield (IL), Oklahoma City, Wichita Falls and the far north portions of the DFW Metroplex.
The yellow = 10%, enhanced, threat area. This includes Columbia, Rolla, Springfield (MO), Joplin, Ft. Smith, Fayetteville, Gainevilles, Tulsa and Norman.
Within the enhanced threat area is the hatched area where strong tornadoes are forecast to occur. This includes Gainesville, Ardmore, Shawnee and McAlester.
If you live in any of the above areas please monitor the weather starting at
I will be chasing for the first time this season. You can monitor my activities at: @usweatherexpert on Twitter.
Three minutes after posting the above the first tornado warning of the day was issued (central Oklahoma). This situation is evolving rapidly. Please begin monitoring immediately.