Portal:Tropical cyclones/Featured article/Eye (cyclone)

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Eye of Category 4 Hurricane Isabel seen from the International Space Station on September 15, 2003

The eye is a region of mostly calm weather found at the center of strong tropical cyclones. The eye of a storm is usually circular and typically 25–40 miles (40–65 km) in diameter. It is surrounded by the eyewall, where the most severe weather of a cyclone occurs. The cyclone's lowest barometric pressure occurs in the eye, and can be as much as 15% lower than the atmospheric pressure outside of the storm.

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