Isaac was a गंभीर उष्णकटिबंधीय तूफान tropical cyclone that formed in 北大西洋开阔水域 in 2012. The storm reached maximum sustained winds of 130 km/h (70 kt) 最低中心气压965hPatracking across 北大西洋开阔水域 in the North Atlantic basin (北半球).