Life-threatening flooding expected: NPR

A car is partially submerged on a flooded road during a rain storm in Long Beach, California on Thursday.

David Swanson/AFP via Getty Images


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David Swanson/AFP via Getty Images

A car is partially submerged on a flooded road during a rain storm in Long Beach, California on Thursday.

David Swanson/AFP via Getty Images

California bracing For the arrival of the second atmospheric river It is expected to bring life-threatening floods in some parts of the state.

This second atmospheric river, which is forecast to focus mostly on central and southern California, is expected to be stronger than the first river, which caused localized flooding along the West Coast earlier this week.

A atmospheric river It is a relatively narrow channel of wind that carries water vapor to the west coast. Powerful rivers that come at right angles to the coast lead up to the Sierra Nevada.

The National Weather Service in Los Angeles It warns that the storm could bring unprecedented amounts of rain to the area from Saturday night into early next week, with the most worrying period from Sunday into early Monday.

The weather agency said that during the peak of the storm, “rainfall of half an inch to one inch per hour” is expected and that “all areas, including densely populated urban areas, are at risk of life-threatening flooding”. “

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“Streams and small rivers, as well as the Los Angeles River through the San Fernando Valley and metro LA, will rise rapidly and become very dangerous raging rivers,” the NWS said.

Officials are telling people — especially those who live near rivers, streams or mountains — to prepare.

“I'm confident we'll weather this storm as the city prepares again,” Los Angeles Mayor Karen Bass said.

Mudslides and rock slides are expected on mountains and foothills, the NWS said. In some areas, especially those affected by wildfires, evacuations may be required.

A storm surge is expected to bring high winds to San Luis Obispo and Santa Barbara counties and the Antelope Valley. Wind gusts of up to 80 mph are possible in the mountains.

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