Hurricane Sam moving slowly across Atlantic as a Category 4 storm

Hurricane Sam moving slowly across Atlantic as a Category 4 storm
·2 min read

Hurricane Sam is moving slowly across the Atlantic on Sunday after developing into a Category 4 storm a day earlier, the National Hurricane Center said in a public advisory. The "small but dangerous" hurricane is one of the earliest 18th named storms to form, beaten only by last season, which was the most active hurricane season on record.

Maximum sustained winds have increased to approximately 145 miles per hour, with even higher gusts. The storm's hurricane-force winds extend outward up to 30 miles from its center, and tropical-storm-force winds extend outward up to 90 miles.

"Some fluctuations in intensity are expected during the next day or so," the National Hurricane Center said. "Thereafter, some slow weakening is forecast."

As of Sunday afternoon, Sam is moving west-northwest at about 8 miles per hour in the Atlantic ocean. A slower movement to the west-northwest is forecast throughout the weekend, followed by a turn to the northwest on Monday.

Swells are expected to reach the Lesser Antilles group of islands in the Caribbean Sea by early next week, which could cause "life-threatening surf and rip current conditions." The hurricane center urged those in the area to consult products from their local weather offices.

#Sam becomes a major hurricane. Forecast track and intensity remains unchanged, which should keep the hurricane well NE of the Leeward Islands. However, dangerous surf and rip currents possible across Lesser Antilles beginning in a couple of days. More:

— National Hurricane Center (@NHC_Atlantic) September 25, 2021

Sam strengthened into a Category 2 storm late Friday and is considered by the hurricane center to be a "small hurricane," although it has already met the criteria for rapid intensification. It is the 16th storm to rapidly intensify over the past two seasons in the Atlantic.

Jeff Berardelli contributed reporting.

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