Overview

• WPC reports scattered flash flooding is likely from northeast Arkansas into western Tennessee with significant urban vulnerability in Memphis and Dyersburg following prolonged training convection.
• Rainfall rates near 2–3 inches per hour with localized 3–5+ inch totals are developing near a surface low and mid-level vortex lifting toward the Lower Ohio Valley.
• Through this morning, heavier rain shifts toward the Lower Ohio Valley with localized 2–4+ inch swaths and a spotty 5+ inch maximum possible near the Ohio River from far southeast Illinois into western and northern Kentucky and far southern Indiana.
• Additional bands along the Gulf Coast and Florida peninsula continue to produce efficient rain, including 2–3 inches per hour with 3–5 inch pockets on the Space Coast and up to 2 inches per hour with local 4 inch totals on the Gold Coast.
• Earlier Monday, SPC documented rotating cells with two tornado debris signatures and a few brief tornadoes in southeast Louisiana and southern Mississippi, while isolated severe hail or wind remained possible across parts of Kansas, southeast Nebraska, northeast Colorado, southeast Wyoming, and the Nebraska Panhandle without watch issuance.