Overview

• SPC issued Tornado Watch 627 for southeast Arkansas, northeast Louisiana, and central and southern Mississippi through 3 a.m. CDT, citing damaging winds up to 70 mph and a couple of tornadoes possible.
• Forecasters report organized line segments with embedded supercells shifting southeast overnight, with wind damage the main hazard and a brief tornado risk in more discrete cells.
• WPC warns of training downpours from the Louisiana–Mississippi border into western Alabama producing 1–2 inches per hour and localized 2–4 inch totals, raising isolated flash‑flood concerns.
• An earlier Severe Thunderstorm Watch 626 covered eastern Arkansas, northern Mississippi, and western Tennessee as storms re‑organized with increasing low‑level moisture and shear after dark.
• Earlier media and official outlooks highlighted a broad risk zone affecting roughly 45–50 million people from northeast Texas toward the Ohio Valley as the system advanced on Saturday.