Tornado Watches in Louisiana and Mississippi as Squall Line Pushes East

Overview

• A mature squall line and clusters are moving from northern and central Louisiana into western and central Mississippi with damaging wind potential and line-embedded circulations.
• Tornado Watch 640, issued at 10:40 p.m. CST, covers western and central Mississippi and far northeastern Louisiana through 6 a.m., citing a risk for a couple of tornadoes, 70 mph gusts and isolated hail.
• WPC reports training storms producing 1–3 inches per hour at times with localized 2–4 inch totals, making flash flooding possible in urban and low-lying areas from northern Louisiana into Mississippi and parts of Alabama.
• SPC notes strong shear and a strengthening low-level jet supporting organized convection overnight, with additional watch expansion downstream into Alabama possible.
• As the cold front advances, the threat is ending from the west while the heaviest rain and severe risk shift east through the morning.