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