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U.S. Gulf Coast braces for 2nd hurricane in a month as Sally strengthens

Tropical Storm Sally strengthened off the west coast of Florida on Sunday and was poised to become a category 2 hurricane, bringing the threat of dangerous storm surges and high winds to the U.S. Gulf Coast, the U.S. National Hurricane Center (NHC) said.

Sally carries danger of 'life-threatening storm surge,' says National Hurricane Center

Residents fill sandbags in preparation for tropical storm Sally in Gulfport, Miss., on Sunday. (Alyssa Newton/The Sun Herald via AP)

Tropical Storm Sally strengthened off the west coast of Florida on Sunday and was poised to become a Category 2 hurricane, bringing the threat of dangerous storm surges and high winds to the U.S. Gulf Coast, the U.S. National Hurricane Center (NHC) said.

The storm track was disrupting oil production in the U.S. Gulf of Mexico for a second time in less than a month. The Miami-based NHC said the storm was likely to reach hurricane strength on Monday, and approach the north-central Gulf Coast late on Monday and Tuesday.

Hurricane conditions were expected by early Tuesday from Grand Isle, La., to Ocean Springs, Miss., including New Orleans, the center said.

Louisiana Gov. John Bel Edwards said he had spoken earlier in the day to U.S. President Donald Trump and had also requested a federal declaration of emergency in advance of Sally, which allows for early support from the federal government.

"We have every reason to believe that this storm represents a very significant threat to the people of southeast Louisiana," Bel Edwards told a news conference.

Storm Sally is seen in this satellite imagine taken on Sunday. (NOAA via AP)

As of 4 p.m. CT, Sally was about 265 kilometres south of Panama City, Fla., and heading west-northwest with top sustained winds of 95 km/h.

Sally is expected to become a Category 2 hurricane with 161km/h winds by the time it makes landfall in southeast Louisiana on Tuesday, an official with the U.S. National Weather Service said.

Sally carried the danger of storm surges — when the ocean rises at the coast over normal tide levels — of up to 3.35 metres, and rainfall of up to 30 centimetres, the center said.

"The biggest issue here is going to be life-threatening storm surge and then the very, very heavy rainfall that's going to accompany this," said Jim Foerster, chief meteorologist for DTN, an energy, agriculture and weather data provider.

The storm follows Laura, which rampaged across the Gulf of Mexico three weeks ago and grew into a Category 4 hurricane with 240 km/h winds. It shut hundreds of offshore oil facilities, leveled coastal Louisiana towns and left residents of Louisiana and Texas without power for weeks.


On Sunday, two more oil companies, BP Plc and Equinor ASA, evacuated staff from some offshore platforms following similar action by Chevron Corp and Murphy Oil Corp on Saturday.

BP said it evacuated non-essential workers from its Nakika and Thunderhorse platforms in the northeastern Gulf of Mexico, while Equinor shut its Titan platform.

Laura halted up to 1.5 million barrels per day of output and a half dozen refineries, two of which are still in the process of making repairs.

The outer band rains of tropical storm Sally push flags in front of a baseball stadium in St. Petersburg, Fla., on Sunday. (Mary Holt/USA TODAY Sports)

Mandatory evacuation was also ordered in parts of Louisiana on Sunday.

Further off in the Atlantic Ocean, Hurricane Paulette was moving closer to Bermuda, and was expected to move near or over the island on Monday morning, the NHC said.

Paulette was carrying top sustained winds of 120 km/h and was expected to strengthen during Sunday.

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