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Tropical Storm Laura to become a hurricane as it heads toward US

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Salvaged items stand next to a damaged house near a river after the passing of tropical storm Laura in Port-au-Prince, Haiti (AP/Dieu Nalio Chery)

Salvaged items stand next to a damaged house near a river after the passing of tropical storm Laura in Port-au-Prince, Haiti (AP/Dieu Nalio Chery)

AP/PA Images

Salvaged items stand next to a damaged house near a river after the passing of tropical storm Laura in Port-au-Prince, Haiti (AP/Dieu Nalio Chery)

Tropical Storm Laura strengthened in the Caribbean on Monday and was poised to accelerate into a hurricane, while Tropical Storm Marco weakened sooner than expected, sparing the US Gulf Coast from two simultaneous hurricanes that had been forecast.

The dual storms have taken offline nearly 10% of the United States' crude oil production, as energy companies shuttered operations to ride out the weather.

The changed forecast from the National Hurricane Center bought a little more time for residents along Louisiana's coast to prepare for the one-two punch. Marco could still bring dangerous winds and rain on Monday evening, with Laura forecast to make landfall on the U.S. Gulf Coast on Wednesday night.

"Having two storms in the Gulf at one particular time made the last few days pretty stressful," said Archie Chaisson, the president of Lafourche Parish on the Louisiana coast.

The coronavirus pandemic had complicated preparations, Chaisson said, with officials modifying their shelter plans to ensure social distancing and the wearing of face coverings.

Howling winds

Laura traced the southern coast of Cuba on Monday morning, but the brunt of the storm was offshore, helping the largest island nation in the Caribbean avoid serious damage after Laura killed at least 10 people in Haiti and the Dominican Republic.

The storm downed trees in Cuba, ripped away flimsy roofs and caused minor flooding on Sunday evening, according to residents and news reports. In Jamaica, there were reports of landslides and flooded roads.

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Tropical Storm Laura battered the Dominican Republic and Haiti and is heading for a possible hit on the Louisiana coast as a hurricane, along with Tropical Storm Marco (AP Photo/Dieu Nalio Chery)

Tropical Storm Laura battered the Dominican Republic and Haiti and is heading for a possible hit on the Louisiana coast as a hurricane, along with Tropical Storm Marco (AP Photo/Dieu Nalio Chery)

AP/PA Images

Tropical Storm Laura battered the Dominican Republic and Haiti and is heading for a possible hit on the Louisiana coast as a hurricane, along with Tropical Storm Marco (AP Photo/Dieu Nalio Chery)

"I slept well last night, except when the wind howled," Nuris Lopez, a hairdresser, said by telephone from a town in the foothills of the Sierra Maestra mountains in Cuba's eastern Granma province.

Laura was heading toward the Gulf of Mexico at 31km/h, according to the NHC. By Tuesday, it was expected to have reached hurricane strength. By Wednesday night, stronger still, it was expected to hit the U.S. Gulf Coast, the NHC said.

By then, it could be a Category 2 or 3 hurricane on the 5-step Saffir-Simpson scale for measuring hurricane intensity, said Chris Kerr, a meteorologist at DTN, an energy, agriculture and weather data provider.

Oil takes a hit

Despite Marco's weakening, with the NHC predicting it would slow to a tropical depression by Monday night, that storm still threatened to soak the Louisiana coast.

The Federal Emergency Management Agency has sent teams to operations centers in Louisiana and Texas.

This year's hurricane season has been complicated by the coronavirus pandemic, forcing many people to weigh the risks of leaving their homes and potentially exposing themselves to the virus.

Officials in Louisiana said that testing for COVID-19 was suspended in the state on Monday and Tuesday.

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A woman and man cross a flooded street during the passing of Tropical Storm Laura in Port-au-Prince, Haiti (Dieu Nalio Chery/AP)

A woman and man cross a flooded street during the passing of Tropical Storm Laura in Port-au-Prince, Haiti (Dieu Nalio Chery/AP)

A woman and man cross a flooded street during the passing of Tropical Storm Laura in Port-au-Prince, Haiti (Dieu Nalio Chery/AP)

Energy companies moved to cut production at U.S. Gulf Coast oil refineries after shutting half the area's offshore crude oil output as back-to-back storms took aim at the coast.

Producers have shut more than one million barrels per day of Gulf Coast offshore oil production, 9% of the nation's total output, facing a storm that is forecast to become a damaging Category 2 hurricane.

Reuters