30, was the second driest on record and last year's was the fifth driest on record. Further south, parts of western Santa Barbara County were under an evacuation warning in the area burned by this month's Alisal Fire.Д¬alifornia's 2021 water year, which ended Sept. South of San Francisco, evacuation orders were in effect in the Santa Cruz Mountains over concerns that several inches of rain could trigger debris flows in the CZU Lightning Complex Fire burn scar. If you are out on the roads, please use extreme caution.'Д«urn areas remain a concern, as land devoid of vegetation can't soak up heavy rainfall as quickly, increasing the likelihood of mudslides and flash flooding that could trap people. 'If you can stay home and off the roads today, please do. 'We have already had several collisions this morning for vehicles hydroplaning, numerous trees falling, and several roadways that are experiencing flooding,' tweeted the highway patrol's office in Oroville. By sunrise on Sunday, Mount Tamalpais just north of San Francisco had recorded over 6 inches (15 centimeters) of rainfall during the previous 12 hours, the weather service said on Twitter.ДЄbout 150 miles (241 kilometers) to the north, the California Highway Patrol closed State Route 70 in Butte County because of mudslides within the massive Caldor Fire burn scar. The National Weather Service's Sacramento office warned of 'potentially historic rain.'ДЇlooding was reported across the San Francisco Bay Area, closing streets in Berkeley and inundating the Bay Bridge toll plaza in Oakland. A powerful storm roared ashore Sunday in Northern California, flooding highways, toppling trees and causing mudflows in areas burned bare by recent fires as forecasters predict record-breaking rainfall.Дrenching rain and strong winds accompanied the arrival of an atmospheric river - a long and wide plume of moisture pulled in from the Pacific Ocean that was predicted to move south over the next few days. Some of the state's most important reservoirs are at record low levels. California's climate is hotter and drier now and that means the rain and snow that does fall is likely to evaporate or absorb into the soil.Д¬alifornia's 2021 water year, which ended Sept. But it remains to be seen if the wet weather will make a dent in the drought that's plaguing California and the western United States. Recent storms have helped contain some of the nation's largest wildfires this year. Elevations above 9,000 feet (2,745 meters) in the Sierra Nevada could get 18 inches of snow or more from Sunday until Monday morning. Strong winds were also expected, with gusts of up to 60 mph (97 kph) at the windiest spots in Northern California. Further south, parts of western Santa Barbara County saw evacuation warnings upgraded to orders in the area burned by this month's Alisal Fire. South of San Francisco, evacuation orders were in effect in the Santa Cruz Mountains over concerns that several inches of rain could trigger debris flows in the CZU Lightning Complex Fire burn scar when the storm moves through early Monday. If it is too late to evacuate, get to higher ground.' 'If you are told to evacuate by local officials, or you feel threatened, do not hesitate to do so. 'If you are in the vicinity of a recent burn scar and haven't already, prepare now for likely debris flows,' the Sacramento weather service tweeted.

In nearby Colusa and Yolo counties, state highways 16 and 20 were shut for several miles due to mudslides, the state Department of Transportation said.Д«urn areas remain a concern, as land devoid of vegetation can't soak up heavy rainfall as quickly, increasing the likelihood of flash flooding. If you are out on the roads, please use extreme caution.' 'We have already had several collisions this morning for vehicles hydroplaning, numerous trees falling, and several roadways that are experiencing flooding,' the highway patrol's office in Oroville tweeted on Sunday.

'Some of our higher elevation locations could see 6, 7, 8 inches of rain before we're all said and done,' weather service meteorologist Sean Miller said.ДЄbout 150 miles (241 kilometers) to the north, the California Highway Patrol closed a stretch of State Route 70 in Butte and Plumas counties because of multiple landslides within the massive Dixie Fire burn scar. Power poles were downed and tens of thousands of people in the North Bay were without electricity.Д«y Sunday morning, Mount Tamalpais just north of San Francisco had recorded a half foot (15 centimeters) of rainfall during the previous 12 hours, the weather service said. Flooding was reported across the San Francisco Bay Area, closing streets in Berkeley, inundating Oakland's Bay Bridge toll plaza and overflowing rivers in Napa and Sonoma counties.

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