SPC MD 2369

MD 2369 CONCERNING SEVERE THUNDERSTORM WATCH 683... FOR PARTS OF THE TEXAS SOUTH PLAINS INTO NORTHWESTERN OKLAHOMA Mesoscale Discussion 2369 NWS Storm Prediction Center Norman OK 0559 PM CDT Tue Oct 13 2026 Areas affected...parts of the Texas South Plains into northwestern Oklahoma Concerning...Severe Thunderstorm Watch 683... Valid 132259Z - 140100Z The severe weather threat for Severe Thunderstorm Watch 683 continues. SUMMARY...Stronger storms may continue to pose a risk for severe hail another couple of hours, before strong to severe wind gusts become the more prominent potential severe hazard through the 7-9 PM CDT time frame. DISCUSSION...Low-level warm advection and convergence along the diffuse dryline are rather weak, and much of the region remains on the northwestern periphery of a prominent mid-level ridge. However, forcing for ascent associated with one or two subtle perturbations within a belt of moderate (40+ kt near/above 500 mb) southwesterly mid/upper flow developing northeastward around the ridging may be contributing to the ongoing increase in thunderstorm development. This is occurring within seasonably high boundary-layer moisture content beneath modestly ste...