Glossary of tropical cyclone terms

The following is a glossary of tropical cyclone terms.

One of the quantities used to determine the size of a tropical cyclone. The ROCI is determined by measuring the radii from the center of the storm to its outermost closed isobar in four quadrants, which is then averaged to come up with a scalar value. It generally delimits the outermost extent of a tropical cyclone's wind circulation.

 This article incorporates public domain material from the NOAA document "Glossary of NHC Terms".

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