California storm causes landslides, flooding while dumping heavy rain and snow

Northern California storm update: Wilton residents ordered to shelter in place due to flooding


Northern California storm update: Wilton residents ordered to shelter in place due to flooding

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A powerful storm brought torrential rain or heavy snowfall to much of California on Saturday, blocking traffic and closing highways as the state prepared to usher in a new year. In the high Sierra Nevada, up to 2 feet of snow could accumulate through early Sunday.

The National Weather Service in Sacramento warned of dangerous driving conditions and posted photos on Twitter showing traffic on snowy mountain passes, where vehicles had to be equipped with chains or four-wheel drive.

the said atmospheric river storm was drawing in a long, wide plume of moisture from the Pacific Ocean. Flooding and landslides have closed portions of roads in northern California.

This photo provided by Micah Crockett of the California Department of Transportation shows heavy machinery removing a landslide on State Route 299 in Trinity County, California on December 31, 2022.
This photo provided by Micah Crockett of the California Department of Transportation shows heavy machinery removing a landslide on State Route 299 in Trinity County, California on December 31, 2022.

Micah Crockett/Caltrans District 2 via AP


“Too many road closures to count at this point,” the Sacramento Weather Agency said in an afternoon tweet. Sacramento County urged residents of the unincorporated community of Wilton to evacuate, warning flooded roads could “cut off access to leave the area.”

Santa Cruz County Officials posted a picture of a large chasm that opened along a road.

Rainfall in downtown San Francisco on Saturday exceeded 5 inches by mid-afternoon, making it the second wettest day on record, behind a deluge in November 1994. With the rain still falling , it could threaten the nearly three-decade-old record.

The California Highway Patrol said a section of US 101 – one of the state’s main traffic arteries – has been closed indefinitely south of San Francisco due to flooding. Videos on Twitter showed mud-colored water flowing down the streets of San Francisco, and a staircase in Oakland turned into a veritable waterfall by heavy rain.

Weather Service meteorologist Courtney Carpenter said the storm could drop an inch of rain in the Sacramento area before moving south. A ski resort south of Lake Tahoe has closed chairlifts due to flooding and operational issues, and posted a photo on Twitter showing an empty lift tower and chairs surrounded by water.

“We are seeing a lot of flooding,” Carpenter said.

A rainstorm caused a flash flood in San Carlos, California on December 31, 2022.
A rainstorm caused a flash flood in San Carlos, California on December 31, 2022.

Tayfun Coskun/Anadolu Agency via Getty Images


The Sacramento agency released a 24-hour rainfall map through Saturday morning, showing a wide range of totals across the region, from less than an inch in some areas to over 5 inches in the foothills of the Sierra.

Mammoth Mountain Ski Area reported numerous lift closures, citing high winds, low visibility and ice.

The Stockton Police Department released photos of a flooded underpass and a car that appeared stuck in more than a foot of water.

The rain was welcomed in drought-scorched California, but it takes a lot more precipitation to make a significant difference. The past three years have been the driest on record in California.

A winter storm warning was in effect Sunday for high elevations in the Sierra, from south of Yosemite National Park to north of Lake Tahoe, where up to 5 feet of snow is possible on mountaintops, the National Weather said. Service in Reno, Nevada.

A flood watch was in effect across much of northern California through New Year’s Eve. Officials warned that rivers and streams could overflow and urged residents to prepare sandbags.

Some rainfall totals in the San Francisco Bay Area exceeded 4 inches.

The National Transportation Agency reported numerous road closures, including Highway 70 east of Chico, which was partially closed by a landslide, and the north side of Highway 49 east of Sacramento, which was closed due to flooding. In El Dorado County, east of Sacramento, a section of Highway 50 was closed due to flooding.

Humboldt County, where a 6.4 magnitude earthquake struck Dec. 20, also saw roads begin to flood, according to the National Weather Service’s Eureka office. A bridge that was temporarily closed last week due to earthquake damage could be closed again if the Eel River, which it crosses, becomes too high, officials said.

It was the first of several storms expected to move through California over the next week. The current system is expected to be warmer and wetter, while next week’s storms will be colder, said Hannah Chandler-Cooley, a meteorologist with the National Weather Service in Sacramento.

The Sacramento area could receive a total of 4 to 5 inches of rain during the week, Chandler-Cooley said.

“Strong winds could damage trees and lead to power outages and high waves on Lake Tahoe could capsize small vessels,” the Reno Weather Service said.

Avalanche warnings were issued in the backcountry around Lake Tahoe and the Mammoth Lakes south of Yosemite.

On the Eastern Sierra Front, flood watches and warnings were issued over the weekend north and south of Reno, Nevada, where minor to moderate flooding was forecast along some rivers and streams. .

In southern California, moderate to heavy rain was falling on Saturday. The region will begin to dry out on New Year’s Day, with no rain expected during Monday’s Rose Parade in Pasadena.

Another round of heavy showers was forecast for Tuesday or Wednesday, the National Weather Service said in Oxnard.

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