This year’s Atlantic hurricane season, which officially ended Friday, generated only a slightly above-normal number of storms, but just two cyclones did billions of dollars worth of damage to the U.S. mainland.
“The season overall was slightly above normal, with 15 named storms, 8 hurricanes, and 2 major hurricanes,” tweeted Colorado State University meteorologist Philip Klotzbach.
On average, the Atlantic Ocean basin sees 12 named storms, six hurricanes, and two major hurricanes, according to Klotzbach.
Today is November 30 – the official end of the Atlantic #hurricane season. The season overall was slightly above normal, with 15 named storms, 8 hurricanes and 2 major hurricanes. Average is ~12 named storms, ~6 hurricanes and ~3 major hurricanes. pic.twitter.com/NAKDFvsJVQ
— Philip Klotzbach (@philklotzbach) November 30, 2018
Atlantic hurricane season, which starts in April, got off to a quiet start with no major hurricanes forming until Hurricane Florence in mid-September.
Florence reached Category 5 strength at sea but quickly weakened before making landfall in North Carolina.
However, Florence slowed as it hit the Carolinas and dropped record amounts of rainfall over the region, causing catastrophic flooding for weeks. A total of 51 deaths were attributed to Florence.
Hurricane Florence caused upwards of $30 billion worth of economic damage, according to an Accuweather estimate. Should that be the case, Florence would be the second-most damaging hurricane to hit the Carolinas.
Hurricane Michael rapidly developed in the Gulf of Mexico several weeks later, hitting the Florida Panhandle at near Category 5 strength. Michael hit the coast with 155 mile-per-hour winds and massive storm surge.
Michael, the most powerful [named] storm to strike the Panhandle, devastated Mexico Beach and left more than 40 people dead. (SEE ALSO: The Disastrous Hurricane Of Oct. 1894 In The Florida Panhandle)
Michael could have also done upwards of $30 billion worth of damage, according to estimates, including around $8 billion in insured property damage.
Only two named storms, Nadine and Oscar, formed in the Atlantic Ocean after Michael tore through southern states.
Despite the two damaging hurricanes, the 2018 Atlantic hurricane season was only about half as intense as the 2017 season.
Last year’s hurricane season saw three powerful hurricanes — Harvey, Irma, and Maria — hit U.S. territory and cause billions of dollars worth of damage.
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We have to remember that the average would not be the average unless some years were above average and others below average. Thus, unless this year was significantly outside one or two standard deviations of the average, it’s a yawn ….