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Hurricane Sam Churning Through the Atlantic as a Category 4

The Weather Channel logo The Weather Channel 9/26/2021 meteorologists

Hurricane Sam is tracking through the tropical Atlantic Ocean and is likely to curl north of the Leeward Islands but could eventually pass near Bermuda.

Sam became the fourth major hurricane of the 2021 Atlantic season on Saturday after it rapidly intensified. Maximum sustained winds in Sam increased from 85 mph to 140 mph in the 24 hours ending Saturday 5 p.m. EDT.

It's now a strong Category 4 located nearly 1,000 miles east-southeast of the Leeward Islands.

Sam will likely remain a strong hurricane as it moves west-northwest and then northwest over the next five days. That track should take Sam well north of the Leeward Islands.

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Computer model forecasts are now in agreement that Sam will curl well away from the U.S. East Coast as it tracks through the Atlantic into late this week. Sam could at least generate high surf and rip currents along the East Coast by late this week or next weekend, as Hurricane Larry did earlier this month despite passing east of Bermuda.

Bermuda could eventually be threatened by Sam late this week or next weekend. However, it's too early to know if that will happen and interests there should monitor the progress of Sam closely.

Sam became the eighteenth named storm of the 2021 Atlantic hurricane season Thursday, the second earliest "S" storm in Atlantic Basin history, behind only 2020's Sally, according to NHC hurricane specialist Philippe Papin.

The Weather Company’s primary journalistic mission is to report on breaking weather news, the environment and the importance of science to our lives. This story does not necessarily represent the position of our parent company, IBM.


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