An Introduction to the Concentric Eyewall Cycles (258 words, 1 pages)
"Concentric eyewall cycles" (or "eyewall replacement cycle" ) naturally occur in intense tropical cyclones, major hurricanes (winds 50 ms, 100 kt, 115 mph) or Catories 3, 4, and 5 on the Saffir-Simpson scale. As tropical cyclones reach this threshold of intensity, they usually - but not always - have an ...
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