The Pacific Ocean’s “bomb Cyclone” unleashed a violent storm that swept ashore in California on Sunday.The Pacific Northwest and heavy rains blasted a large swathe of the West Coast, creating flooding, mudslides, and damaging winds.

Over 160,000 homes and businesses in California, more than 170,000 in Washington, and over 28,000 in Oregon were left without power on Sunday due to the extreme weather. In the Greater Seattle Area, two people died when a tree struck a car.

Inundation of the Bay Bridge toll station in Oakland caused by flooding in San Francisco Bay Area. According to the weather service, Mount Tamalpais just north of San Francisco had received half-foot of rain in the past 12 hours.

Many roads are under two feet of water in San Rafael, and city officials said there have been over 330 calls for fire or police assistance, four times the average call volume according to CBS San Francisco. 

Sacramento’s National Weather Service warned that there could be “potentially historical” rainfall in the downtown area.

North of the state capitol in Butte County, California’s Highway Patrol closed down State Route 70 due to mudslides and debris flows near the now-contained Caldor Fire, which scorched more than 346 square miles of the Sierra Nevada and burned hundreds of homes.

Although the fire is now 100% contained, wildfires strip away vegetation and prevent the soil from absorbing water, leaving the burned area vulnerable to mudslides and flash flooding.

The weather service from Sacramento stated on Twitter that “if you’re near a burn scar it might be too late for evacuation.” Do not cross any debris flows. You should take refuge on the top floor.

Several parts of California, including the Santa Cruz Mountains and parts of western Santa Barbara County, have instated evacuation orders because of their proximity to burn scars.

The storm was forecast to pound some areas with a foot of rain while dumping up to 8 feet of snow over the mountains, forecasters said.

According to the Weather Prediction Center at National Weather Service, “conditions will continue deteriorating.” Strong winds, heavy rain, and high surf will have major effects. Tonight will see heavy snowfall in Sierra Nevada.

Bomb cyclones are formed when the pressure of air drops quickly and the storm becomes explosively stronger. AccuWeather Meteorologist Jon Porter stated that the phenomenon created an “atmospheric River” by pulling in deep tropical moisture from Pacific. He described the river as a “firehose of moisture in the sky” capable of unleashing intense rain and mountain snow. 

In a drought, ‘Deluge’ is a word that means “Deluge” Californians are being warned that flash floods could strike on Sunday.

A pedestrian carries an umbrella while walking on a path in front of the Golden Gate Bridge in San Francisco.

According to Porter, the most intense storms were in California’s northern and central regions and Oregon’s southern parts. The worst of the rains lasted into Monday. Rainfall of up to 2 inches an hour may come “too fast and too furious,” leading to serious flooding and mudslides that could threaten lives and property, Porter added.

According to the National Weather Service Bay Area, there were a lot of flash flooding watches. They stated on Twitter that they are concerned about 2020 burn scars as well as urban and stream flooding. The heavy rainband will pass through Sunday night and afternoon.

“Flooding, rock slides, chain controls, overturned vehicles – and that was just this morning,” the California Transportation Department tweetedSunday The atmospheric river storm is forecast to get worse with more heavy rains and substantial snow until tomorrow. Don’t drive if it is not necessary.

Parts of Oregon were under siege from strong winds and heavy rains. Pacific Gas & Electric saidIt had many workers available to help in an emergency.

It needs rain. California Gov. Gavin Newsom declared a drought emergency last week for California, noting three years of drought in the West.

Seventeen major wildfires are burning in California, Idaho, Montana, Oregon and Washington, according to the National Interagency Fire Center. Wildfires have burned almost 2 million acres in California in 2021 alone. AccuWeather’s Porter believes that these storms will bring an end to the wildfire season across much of the region.

Porter explained that “this rainfall is about a month before average” and would be welcome to fight the remaining fires, especially in Northern California.

Gov. Gavin Newsom announces California drought emergencyThis calls for state-wide conservation

The news continues to develop into the evening.Register for the Evening Briefing to receive an update at a later time tonight.

AccuWeather stated that snow will start falling at elevations higher than 8,000 feet and then fall to a lower elevation of 6,000 feet by Monday.

Rich Putnam of AccuWeather, Senior Storm Warning Meteorologist said that because of the moisture in the Sierra Nevada’s northern and central Sierra Nevadas, snow can easily reach heights of 60-100 inches at elevations higher than 8,000 feet. 

Contributing: The Associated Press



Source: USAToday.com

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