May 14th, 2018

The 2017 Hurricane Season Was Among the Top-Ten-Most-Active, But Was Not Entirely Unprecedented

Posted at 1:00 AM ET

As the 2018 hurricane season approaches, we take a look back at the 2017 season. It was among the top-ten most-active seasons in recorded history since 1900 for the North Atlantic Basin.

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SOURCE: National Oceanic and Atmospheric Administration, Hurricane Research Division

While 2017 was indeed one of the most active seasons in recorded history, we have seen years with such activity before in the North Atlantic Basin (including 2004, 2005, 1995, 1933, and 1926). Some seasons are more active than others, with considerable variability shown from year to year.

We should bear in mind that tropical cyclone detection has improved with aerial overflights after World War II, and more so with satellite capabilities following the late 1960s, lending to more informed perspective on hurricane activity for recent decades.

Seasonal Accumulated Cyclone Energy is a measure of tropical cyclone intensity and duration on a seasonal basis (related to the sum of squares of wind speeds of tropical cyclones, using position reports of the National Hurricane Center).

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