• Tropical cyclones are one of the most dangerous weather events on Earth, but at their core lies a paradox—an area of clear skies and calm winds called the eye. The eye is surrounded by an eye wall, which is composed of towering clouds, intense severe weather, and the storm’s strongest winds. The more defined a cyclone’s eye and eye wall, the greater the intensity of the storm. This 34-year climatology showed that more than half of the tropical cyclones occurring between 1982 and 2015 developed at least one eye. On average, the eye storms had an eye for at least 30 hours, and 50 percent of the systems developed their first eye within two days of becoming a named storm. Hurricane Ioke in 2006 had an eye for the longest period of time at 12 complete days. And, storms with an eye had average wind speeds nearly three times stronger than those that never produced an eye.

Mosaic image of hurricane satellite imagery

Scientists develop a new 34-year record of tropical cyclone eye location and size

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(Images/video taken from google/IE)