Atmospheric river brings record rains, snow to California

PHOTO: Umbrellas were put to use as a storm moved through Sacramento, Calif., Wednesday, Feb. 13, 2019. Rain is falling widely in Northern California and is expected to spread south.PlayAP
WATCH Powerful storm slams West Coast

The West Coast is feeling the effects of an atmospheric river, dumping record rain and snow from San Diego to San Francisco.

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The top rainfall on Wednesday was 9.04 inches in Venado, California, north of Santa Rosa, while San Francisco set a daily record with 2.5 inches.

Redding, California, received the most snow in the city in 31 years -- 10 to 14 inches. The Snoqualmie Pass, east of Seattle, received 27 inches of snow.

PHOTO: An atmospheric river is bringing waves of precipitation to the West Coast this week. ABC News
An atmospheric river is bringing waves of precipitation to the West Coast this week.

A huge plume of moisture aimed at California, called an atmospheric river, will continue to bring heavy rain and snow to Southern California on Thursday.

Heavy snow is expected in the mountains, while flash flooding is possible Thursday morning and afternoon from San Diego to Los Angeles.

The tropical moisture will spill into Arizona, where flash flooding is possible just north of Phoenix and into Tucson, by Thursday afternoon.

PHOTO: Rain will stretch from San Diego up to the Pacific Northwest on Thursday afternoon. ABC News
Rain will stretch from San Diego up to the Pacific Northwest on Thursday afternoon.

Heavy rain will fall in Las Vegas as well, but significant flooding is unlikely. Heavy snow will fall in the Rockies and the Sierra Nevada Mountains.

Meanwhile, a new storm system will move into the Pacific Northwest and bring more rain and snow to the area.

By Friday, the atmospheric river will take a break and a new storm system from the north will bring more rain and snow for California and most of the West Coast.

PHOTO: More rain will move into the West Coast on Friday afternoon. ABC News
More rain will move into the West Coast on Friday afternoon.

The unsettled weather will continue into the weekend for the West Coast and into the Rockies.

Along the coast, an additional 4 inches of rain is possible locally, with several feet of snow falling from the Sierra Nevada Mountains into the Rockies.

PHOTO: More than 4 inches of rain is possible locally along the coast line, while several feet of snow is likely in the Sierra Nevada Mountains. ABC News
More than 4 inches of rain is possible locally along the coast line, while several feet of snow is likely in the Sierra Nevada Mountains.
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