The remnants of Hurricane Isaias drove the primary tornado risk on October 10, 2026, as the system tracked northward across the Southeast, generating strong low-level shear with looped hodographs, mid-70s°F dewpoints, and 1,000–2,000 J/kg MLCAPE that favored semi-discrete supercells. National Weather Service Storm Prediction Center Day 1 outlooks consistently placed a slight risk (5% tornado probability contours) over eastern Georgia into southern and eastern South Carolina, encompassing cities such as Savannah, Charleston, Columbia, and nearby areas, with isolated brief tornadoes possible amid multicellular convection. Watches and warnings were issued for portions of these regions amid radar-indicated rotation. Later outlooks noted diminishing but lingering marginal potential extending into the Carolinas overnight. Subsequent SPC updates and National Hurricane Center guidance on the weakening tropical remnant will refine any final verification of city-level impacts.