Isaias was a गंभीर उष्णकटिबंधीय तूफान tropical cyclone that formed in 北大西洋开阔水域 in 2020. The storm reached maximum sustained winds of 148 km/h (80 kt) 最低中心气压986hPatracking across 北大西洋开阔水域 in the North Atlantic basin (北半球).