Winnie’s Eyewalls


In this fascinating satellite radar image found through the Cyclone Center project, Typhoon Winnie (1997) displays an interesting feature of some strong tropical cyclones: a double ring of winds around the eye, called concentric eyewalls. Typically, as a storm like this continues, the inner eyewall will eventually dissipate as it is robbed of energy by the outer eyewall, called the “eyewall replacement cycle.”

Find more incredible storm imageryand help climatologists solve the mysteries of tropical cyclonesat Cyclone Center!

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