SPC MD 2351

MD 2351 CONCERNING TORNADO WATCH 678... FOR NORTH FLORIDA Mesoscale Discussion 2351 NWS Storm Prediction Center Norman OK 0940 PM CDT Fri Oct 09 2026 Areas affected...North Florida Concerning...Tornado Watch 678... Valid 100240Z - 100415Z The severe weather threat for Tornado Watch 678 continues. SUMMARY...An isolated tornado threat will persist through the early overnight hours in north Florida, well east of the weakening inner core of Isaias. DISCUSSION...Hurricane Isaias is weakening and will continue northward into southeast AL the next few hours. The hurricane is taking on more of a hybrid structure with time as a result of strong vertical shear and a notable intrusion of lower theta-e air west and south of the circulation center. Farther east, a surface warm front has been slow to advance inland across north FL and the FL Panhandle. Occasional cellular convection and a few thunderstorms persist in a confluence band from west of Tampa into north FL, and shallower convection is ongoing along the primary wind shift approaching the FL Big Bend. The lack of inland penetration of the more unstable warm sector has limited tornado threat this evening, with substantial improvements...