#98L (likely future #Nigel) starts the process by helping to break down a mid-level ridge over the sw Atl. This allows mid-level winds over the e/c. Carib to turn more SE, leading to increased convergence where they meet NE winds on the e. side of a persistent SE US/NW GOM ridge pic.twitter.com/6ePIpcB1fC

— Yaakov Cantor (@yconsor) September 12, 2023