Potential Category 3 atmospheric river to hit Northern California

A sharp drop in temperatures is expected in Southern California on Monday, but a powerful winter storm is expected to hit Northern California late Monday, bringing several inches of rain and high winds.

Atmospheric rivers, or weather systems that move high concentrations of water vapor out of the tropics, could bring 1-3 inches of rain to coastal areas on Tuesday, with 3-5 inches or more at higher elevations. There is a nature.the service said CBS San FranciscoAtmospheric rivers can be as strong as category 3 on scales above 5.

The NWS told CBS San Francisco, “The preferred peaks and highlands of the Sonoma Coastal Ranges could receive localized up to 7 inches of rain. Currently, moderate to heavy rainfall is expected to continue for longer periods with higher precipitation rates.” is predicted,” he said. “Last but not least, if that’s not enough, there could be a small amount of lightning, and it’s expanding southwards around San Francisco. More than just thunder here and there. can’t be expected.”

The National Weather Service said flood monitoring is in effect in the North Bay, San Francisco, and the coastline. There are also wind reports for coastal areas from Sonoma County to Santa Cruz County.

Meanwhile, in Southern California, the National Weather Service predicted dramatic weather changes with temperatures dropping by up to 20 degrees as a storm system sweeps through the area on Wednesday.

“Goodbye to Warmth” NWS Los Angeles murmured“Temperatures will drop significantly from today to tomorrow (Tuesday), with a 15-20 degree cooler expected thanks to the approaching storm system.”

The NWS expects temperatures in downtown Los Angeles to drop from 79 degrees Monday to 61 degrees Thursday. CBS Los Angeles report.

The storm system currently forming is set to pass over Washington late Tuesday and pull a plume of very moist air into California from early Tuesday morning through early Wednesday, according to the NWS.

The plume will slowly move through San Luis Obispo and Santa Barbara counties all day Tuesday, with 1.5 to 3 inches of precipitation, up to 5 inches in hilly areas like Santa Lucia, according to the NWS.

According to the NWS, Ventura and Los Angeles counties could see 0.5 to 1 inch of precipitation over the next four to six hours.

Meanwhile, northwestern Oregon and southwestern Washington face heavy rains and strong winds starting Monday night, with the potential for minor flooding along rivers and streams, according to NWS Portland. There is a possibility

“Strong front system will bring heavy rains and high winds to NW OR and SW WA through Tuesday.” NWS Portland murmured“Coastal winds will be strongest tonight and through Tuesday. Strong winds inland on Tuesday morning and afternoon.”

Climate change comes as millions of Americans deal with frigid weather winter storm It has grabbed much of the United States.

CBS News confirmed at least 38 national weather-related deaths from the storm.

The storm’s range was unprecedented, from the Great Lakes near Canada to the Rio Grande River along the border with Mexico. About 60% of Americans faced some kind of winter weather advisory or warning, with temperatures well below normal east of the Rocky Mountains to the Appalachian Mountains, the National Weather Service said.

Thousands of U.S. flights were canceled on Saturday, and about 3,000 on Sunday night, according to tracking site FlightAware.