↑ Atlantic Oceanographic and Hurricane Research Division Frequently Asked Questions: What are concentric eyewall cycles (or eyewall replacement cycles) and why do they cause a hurricanes maximum winds to weaken?. National Oceanic and Atmospheric Administration. Тәүге сығанаҡтан архивланған 22 июнь 2012. 14 декабрь 2006 тикшерелгән.