White Paper

Overview of the 2018 Atlantic Basin Hurricane Season

The 2018 hurricane season was more active than originally anticipated – driven by a very active early September, including Hurricane Florence, and then Hurricane Michael in early October.

White Paper Summary

Colorado State University (CSU) released its initial Atlantic basic hurricane forecast on April 5, and then updated this forecast on May 31, July 2 and August 2 to reflect changes in the atmosphere and ocean that occurred during the spring and the first two months of summer. Initial seasonal forecasts called for
slightly above-normal activity in 2018. CSU lowered its outlook to a near-normal season on May 31 and called for below-normal activity on July 2 and August 2. During the 2018 Atlantic hurricane season, there were 15 named storms, 8 hurricanes and 2 major hurricanes. Major hurricanes are defined as those storms ranked as a Category 3 or higher on the Saffir-Simpson Wind Scale.


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