MCV‑Driven Storms Raise Flash Flood and Severe Wind Risks Across the South and Plains

Overview

• The Weather Prediction Center said Sunday that an MCV lifting northeast will produce 1–2+ inch per hour rainfall rates and make scattered flash flooding likely across central and northeast Alabama, northwest Georgia and middle Tennessee.
• The Storm Prediction Center reported an observed 75 mph gust near Amarillo and warned that bowing lines and rear‑inflow jets in the Texas Panhandle and southern High Plains can produce additional damaging straight‑line winds and isolated large hail.
• WPC Mesoscale Precipitation Discussions highlighted multiple corridors — including south‑central Texas, the Gulf Coast, the Upper Ohio Valley, the Ozarks and metro Atlanta — where individual storms could drop 2–5 inches quickly and trigger urban and small‑stream flash floods.
• SPC watches remain in effect for parts of the South and Panhandle and forecasters said additional watches are possible later for portions of the High Plains and northeast Nebraska into southwest Minnesota if storms mature and cluster.
• MCVs and MCSs concentrate moisture into slow, repeating bands so that already‑wet soils and low flash‑flood guidance mean even short periods of heavy rain can overwhelm drains and small waterways overnight, posing the greatest risk to urban areas, creeks and low‑lying roads.