SPC MD 2380

MD 2380 CONCERNING SEVERE POTENTIAL...WATCH POSSIBLE FOR FAR SOUTHEASTERN ILLINOIS INTO SOUTHERN INDIANA Mesoscale Discussion 2380 NWS Storm Prediction Center Norman OK 0608 PM CDT Thu Oct 15 2026 Areas affected...far southeastern Illinois into southern Indiana Concerning...Severe potential...Watch possible Valid 152308Z - 160015Z Probability of Watch Issuance...40 percent SUMMARY...The potential for damaging gusts and a tornado or two should be maximized over the next couple of hours across far southeast IL into southern IN. DISCUSSION...KVWX/KIND radars show a broken line of strong/severe storms near the IL/IN border. Located near the intersection of a low-level surface trough and warm front, convection has gradually intensified over the last hour. Low-level rotation and supercell structures have been observed, though the overall convective mode is a mixture of cells and linear clusters. The environment downstream remains supportive of strong/severe storms this evening with damaging gusts the most likely hazard. Low-level rotation has increased over the last 15 min with several embedded mesocyclones. The KVWX VAD shows substantial veering in the lowest 1-2km with 0-500m SRH ab...