Tropical Storm Ida Forms in the Caribbean
Tropical Storm Ida, the ninth named storm of the 2021 Atlantic hurricane season, formed in the Caribbean Sea on Thursday and could reach Louisiana over the weekend as a major hurricane, the National Hurricane Center said.
As of 11 p.m., the storm was 65 miles southeast of Grand Cayman, the center said. It was moving northwest at 12 miles per hour, with maximum sustained winds of 40 m.p.h.
Jamaica had been expected to receive six to 10 inches of rain, with isolated totals of up to 15 inches, while the Cayman Islands and parts of Cuba could receive eight to 12 inches of rain, with isolated totals of up 20 inches, the center said.
Forecasters warned that the storm could cause life-threatening flash flooding, mudslides and rip currents.
By Friday morning, Ida was expected to reach the Cayman Islands, where a tropical storm warning was in effect. A warning was also issued for Cuba ahead of the storm’s expected arrival on Friday on its way toward the Gulf Coast.
In preparation for the storm, Gov. John Bel Edwards of Louisiana declared a state of emergency on Thursday night.
“The people of Louisiana have been tested time and time again, and while it is my hope and prayer that this storm will not bring destruction to our state, we should be prepared to take the brunt of the severe weather,” Mr. Edwards said on Twitter.
Along the Gulf Coast, a hurricane watch has been issued from Cameron, La., to the border of Mississippi and Alabama. The metropolitan New Orleans area was also under a hurricane watch, in addition to Lake Pontchartrain.
The eye of the storm could reach Louisiana by Sunday as a hurricane, with maximum winds of 110 m.p.h. and gusts of up to 130 m.p.h., according to the center’s tracking model.
It’s been a dizzying few weeks for meteorologists who monitored three named storms that formed in quick succession in the Atlantic, bringing stormy weather, flooding and damaging winds to different parts of the United States and the Caribbean. First came Tropical Storm Fred, which made landfall on Aug. 16 in the Florida Panhandle. As Fred moved across the southeast, it brought heavy rains and touched off several tornadoes. At least five people were killed after flash floods wiped out homes in Western North Carolina in the wake of the storm.
Grace formed in the eastern Caribbean on Aug. 14, the same day a 7.2 magnitude earthquake rocked Haiti’s western peninsula. The storm quickly moved west as the country struggled to free people trapped in rubble, dumping at least 10 inches of rain. Grace then made another landfall on the Yucatán Peninsula, bringing more heavy rain, power failures and hundreds of evacuations. Another landfall, on the eastern coast of Mexico’s mainland, left at least eight people dead.
And Henri formed on Aug. 16 as a tropical storm off the East Coast of the United States. It strengthened into a Category 1 hurricane but was downgraded before making landfall in Rhode Island, sparing the region the worst of what had been predicted. It thrashed the Northeast with fierce winds and torrential rain, knocking out power to more than 140,000 households from New Jersey to Maine. Some communities in Connecticut were evacuated and rainfall records in New York City were shattered.
The links between hurricanes and climate change are becoming more apparent. A warming planet can expect to see stronger hurricanes over time, and a higher incidence of the most powerful storms — though the overall number of storms could drop, because factors like stronger wind shear could keep weaker storms from forming.
Hurricanes are also becoming wetter because of more water vapor in the warmer atmosphere; scientists have suggested storms like Hurricane Harvey in 2017 produced far more rain than they would have without the human effects on climate. Also, rising sea levels are contributing to higher storm surge — the most destructive element of tropical cyclones.
A major United Nations climate report released in August warned that nations have delayed curbing their fossil-fuel emissions for so long that they can no longer stop global warming from intensifying over the next 30 years, leading to more frequent life-threatening heat waves and severe droughts. Tropical cyclones have likely become more intense over the past 40 years, the report said, a shift that cannot be explained by natural variability alone.
Ana became the first named storm of the season on May 23, making this the seventh year in a row that a named storm developed in the Atlantic before the official start of the season on June 1.
In May, scientists with the National Oceanic and Atmospheric Administration forecast that there would be 13 to 20 named storms this year, six to 10 of which would be hurricanes, and three to five major hurricanes of Category 3 or higher in the Atlantic. In early August, in a midseason update to the forecast, they continued to warn that this year’s hurricane season will be an above average one, suggesting a busy end to the season.
Matthew Rosencrans, of the National Oceanic and Atmospheric Administration, said that an updated forecast suggested that there would be 15 to 21 named storms, including seven to 10 hurricanes, by the end of the season on Nov. 30. Ida is the ninth named storm of 2021.
Last year, there were 30 named storms, including six major hurricanes, forcing meteorologists to exhaust the alphabet for the second time and move to using Greek letters.
It was the highest number of storms on record, surpassing the 28 from 2005, and included the second-highest number of hurricanes on record.
Neil Vigdor contributed reporting.