‘Atmospheric River Threatens Southern California’


News Team

More than 657,000 customers are without power in the early morning hours, according to PowerOutage.us. The National Weather Service issued a bulletin early Monday, warning of a slow-moving “deep Pacific storm system” along the west coast that will bring intense precipitation and instability. The Los Angeles Basin and the eastern Transverse Ranges are at the highest risk, with water accumulation expected to reach 5 to 8 inches. Governor Gavin Newsom declared a state of emergency for several counties, and the Office of Emergency Services is prepared for the worst.

The NWS warns of catastrophic flash, urban, and small stream flooding, as well as landslides and mudflows due to the saturated conditions and ongoing flooding. Heavy rainfall is expected in the northwest, central coast California, and parts of the Mojave Desert, with possible strong winds and gusts. In the Sierra Nevada, snow accumulation rates of 2 to 3 inches per hour and gusty winds up to 60 mph pose a travel hazard due to blizzard conditions.

The storm system will move into regional mountain ranges in Nevada, Idaho, and Wyoming, leaving snow accumulations of 2 feet or more. In the desert southwest, heavier rain is expected in western Arizona and southern Nevada. Another dangerous atmospheric river is predicted to bring flooding and landslides to Southern California.

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