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Tornado Watch Issued as Damaging Storm Line Pushes Into Lower Mississippi Valley

Strengthening jet support over rich Gulf moisture is organizing QLCS storms with isolated tornado potential alongside localized flash‑flood risk.

Overview

  • The Storm Prediction Center issued Tornado Watch 627 for southeast Arkansas, northeast Louisiana, and central and southern Mississippi through 3 a.m. CDT, citing a couple of tornadoes, damaging wind gusts to 70 mph, and isolated large hail as possible.
  • A separate Severe Thunderstorm Watch 626 covered eastern Arkansas, northern Mississippi, and western Tennessee Saturday night as the low‑level jet increased and storms consolidated into a linear cluster.
  • SPC discussions highlighted a dominant QLCS with embedded supercells as the severe corridor shifted southeast overnight across Mississippi and Louisiana, with wind damage as the primary hazard.
  • The Weather Prediction Center warned of training downpours producing 1–2 inches per hour and localized 2–4 inch totals from the LouisianaMississippi border into western Alabama, posing isolated flash‑flood potential, especially in urban or poor‑drainage areas.
  • By Sunday, forecasters noted only isolated damaging gusts from fast‑moving showers in parts of the Ohio Valley and east of the Blue Ridge, while a small area near coastal Alabama and the far western Florida Panhandle held a limited tornado risk without a watch anticipated.