CNN
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Greater than 15 million folks from the West Coast to Wisconsin are beneath winter climate alerts Sunday because the storm system that induced life-threatening flooding in California pushes east.

Hundreds of Californians are nonetheless grappling with energy outages or impassable roads Sunday after excessive winds and record-setting rainfall battered the state.

Emergency crews in Sacramento have rescued a number of flood victims by helicopter for the reason that metropolis began getting deluged Saturday. At the very least one was “in crucial situation after exiting a car and being washed off the roadway and trapped within the chilly water,” the Sacramento Metropolitan Hearth District mentioned Sunday.

Crews have additionally “responded to fallen timber on houses and autos, disabled autos because of drivers pushing by standing water, floodings, water rescues, and extra,” the hearth company mentioned.

The Sacramento County Workplace of Emergency Providers issued an evacuation warning Sunday to residents dwelling within the areas of Level Nice, Glanville Tract, and Franklin Pond. The company mentioned residents of these areas ought to put together to go away earlier than roadways are minimize off.

“It’s anticipated that the flooding from the Cosumnes River and the Mokelumne River is transferring southwest towards I-5 and will attain these areas in the course of the night time,” the company tweeted. “Livestock within the affected areas ought to be moved to increased floor.”

In close by San Joaquin County, floodwater Sunday compelled the shutdown of all northbound lanes of a stretch of State Route 99, the California Division of Transportation’s Caltrans District 10 tweeted. “SR 99 is likely one of the state’s closely traveled, and commercially essential, corridors,” the Caltrans web site says.

Town of Oakland had its wettest day on report Saturday, with 4.75 inches of rain in a 24-hour interval – beating the earlier report set on January 4, 1982, the Nationwide Climate Service workplace in San Francisco mentioned.

The extreme climate was attributable to a strong atmospheric river – a protracted, slim area within the environment that may carry moisture 1000’s of miles, like a fireplace hose within the sky.

Now, as that very same storm system heads east, it might dump a foot of snow throughout the Sierras and as much as 2 toes of snow in elements of the Rockies by late Monday. Native forecasters warn journey may very well be troublesome.

The extreme climate, which included excessive winds, left about 235,000 houses, companies and different energy clients with out electrical energy in California and Nevada on Sunday, in response to Poweroutage.US.

The storm additionally compelled some Northern California residents out of their houses on New Yr’s Eve as streets began to flood and evacuation orders and warnings have been issued.

Along with city flooding, a number of rivers began overflowing – together with the Cosumnes and Mokelumne rivers and the Mormon Slough, in response to the climate service in Sacramento.

Regardless of the flooding complications, the moisture is definitely a aid for drought-stricken California – which began 2022 with the driest starting of the 12 months on report and ended the 12 months with drenched roadways and thick mountain snow.

But it surely’s not clear how a lot the storm will make a dent in California’s drought situations.

Officers ordered residents in Wilton, California, to go away the realm instantly at one level Saturday – warning that rising water might spill onto roadways and minimize off entry to the realm. However two hours later, Wilton residents have been instructed to shelter in place after water made roads “impassable.”

Three communities close to town of Watsonville have been additionally instructed to evacuate by the Santa Cruz County Sheriff’s Workplace because of creek flooding, whereas rising San Lorenzo River waters prompted evacuations within the communities of Paradise Park and Felton.

In San Ramon, police used an armored rescue car to evacuate residents from floodwater.

“Flooding impacts proceed to escalate as this rain continues with too many highway closures to depend at this level,” the NWS mentioned Saturday. The climate service instructed residents to remain put amid reviews of rock and mudslides throughout the foothills and highway closures throughout the Sierra passes.

Sacramento Metropolitan Hearth District crews carried out water rescues and responded to drivers whose autos turned disabled after they drove by standing water Saturday, officers mentioned.

Calling it “Stormageddon,” the Amador County Sheriff’s Workplace shared a picture of vehicles as much as their doorhandles in floodwater.

Freeway 50 reopened simply after midnight, hours after a bit between Pollock Pines and Meyers was closed because of flooding from the American River. One other part was closed over Echo Summit for avalanche management work.

Interstate 80 was additionally partially closed close to the Nevada line Saturday “because of a number of spinouts over Donner Summit,” the California Division of Transportation mentioned.

By late Sunday morning, I-80 within the Sierra-Nevada Mountains had reopened to passenger autos solely, “with R2 chain restrictions,” California Freeway Patrol in Truckee tweeted. The restriction means chains or traction gadgets are required on all besides four-wheel-drive autos with snow tires on all 4 wheels.

“The roads are extraordinarily slick so let’s all work collectively and SLOW DOWN so we are able to hold I-80 open,” the company mentioned.

US Freeway 101 – certainly one of California’s most well-known routes – was additionally quickly closed in each instructions in South San Francisco with the California Freeway Patrol reporting “water just isn’t receding because of continuous rainfall & excessive tides stopping the water to displace.”

Within the Sacramento County space, residents have been suggested to keep away from journey as wind gusts of as much as 55 mph toppled timber and coated roads with particles, in response to a tweet from the climate service in Sacramento.

The county proclaimed a state of emergency, saying the atmospheric river has induced “vital transportation impacts, rising creek and river ranges and flooding” within the Wilton space.

Downtown San Francisco obtained 5.46 inches Saturday, making it the second wettest day on report for the realm, in response to the weather service in the Bay Area.

This heavy rainfall is predicted to slip southward to Southern California on Sunday, accompanied by gusty winds of 30 to 50 mph.

Whereas elements of Northern California grapple with heavy rainfall, mountainous areas are getting coated with snow.

The UC Berkeley Central Sierra Snow Lab reported 7.5 inches of snowfall per hour between 4 and 5 p.m. Saturday in Soda Springs, about 30 miles from Lake Tahoe, and shared video of thick snow blanketing the area.

The lab mentioned it had unofficial measurements of greater than 30 inches of snow on Saturday.

Over a foot of latest snow fell at Mammoth Mountain’s Foremost Lodge on Saturday, the ski resort mentioned on Fb, including that work will happen throughout the mountain since all lifts have been coated in ice and “avalanche hazard is extraordinarily excessive.”