What is Rapid Intensification of a tropical cyclone?

Digital Originals

Iota became the 10th cyclone this season in the Atlantic Basin to be classified with “Rapid Intensification.”

For a storm to be put in that category, it must increase the sustained wind speed by 35 mph or more in less than 24 hours. Iota went from 90 mph at 4 pm Sunday to 160 just 18 hours later.

This is relatively rare and has tied the record for the number of Rapidly Intensifying cyclones in a single season. In 1995 there were ten out of only 19 named storms.

More than half of those storms were classified with the rapid intensification distinction.

In this video, Chief Meteorologist John Carroll discusses the phenomenon, as well as reviews the recent season.

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