image sourceReutersimage captionStorm Henri is expected to cause significant damage as it crosses parts of the US North East
More than 120,000 homes are without power across the US East Coast after Tropical Storm Henri made landfall at Rhode Island.
Although Henri had been downgraded from a Category One hurricane, the storm still brought 60mph (95kph) winds.
Millions of people across Long Island and southern New England have been told to prepare for coastal surges, flooding and downed trees and power lines.
President Joe Biden approved disaster relief for the region if needed.
- Above-average hurricane season expected
The storm struck land near the Rhode Island town of Westerly at around 12:15 local time (16:15 GMT), with maximum sustained winds just 14mph (22kph) short of hurricane strength, the National Hurricane Center said.
"Heavy rainfall from Henri may result in considerable flash, urban, and small stream flooding, along with the potential for widespread minor to isolated moderate river flooding," the NHC said.
Hundreds of flights from New York airport were cancelled.
A concert, taking place in New York City's Central Park on Saturday evening, was abruptly stopped "due to approaching severe weather", police said.
About 60,000 people were thought to be attending the "homecoming" concert – a celebration of the city's return to hosting large events following the restrictions caused by the pandemic.
The line-up of artists included Bruce Springsteen, Patti Smith, Paul Simon and also Barry Manilow – whose performance was cut short as concert-goers were told to make their way to the nearest exits.
Barry Manilow muted then yanked offstage at NYC ‘s Homecoming Concert (for vaccinated people) as it’s cancelled mid-song over a severe weather warning pic.twitter.com/du2HP7PNCN
— Megan Palin (@Megan_Palin) August 22, 2021
The BBC is not responsible for the content of external sites.View original tweet on Twitter
New York Governor Andrew Cuomo said he was particularly concerned about the possibility of flooding in the Hudson River Valley and Catskill Mountains areas of the state.
"The storm hits Long Island and then slows. A slow storm is a problematic storm because when the storm slows, it continues to drop rain for a an extended period of time," he said.
"We already have saturated ground, so the absorption capacity of the ground is limited. And that's what makes this level of rainfall especially problematic."
About six million people living near the coast in parts of Long Island, Connecticut and Massachusetts had been issued with hurricane warnings before the storm was downgraded.
More than 36 million people in large parts of southern New England, as well as New York and New Jersey, had received tropical storm warnings.
Massachusetts has closed its parks and beaches until Monday, the office of Governor Charlie Baker said.
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