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Atmospheric River

Thousands still without power in Sonoma County

in News

A torrent of rain, fueled by what meteorologists described as an “atmospheric river,” wreaked havoc starting Saturday night, worsening throughout the day before easing locally Sunday evening.

Here is the latest on the storm and its aftermath:

3:30 p.m.

River flows a day after the atmospheric river passed over Sonoma County are about as epic as you’d expect.

“It’s been a while,” U.S. Geological Survey field office Chief Andrew Watson said Monday when asked how long it had been since he’d seen this amount of water flowing in the North Bay. “Peaks at all our sites are substantially higher than last year.”

How high?

Watson was measuring volume on the Russian River in Healdsburg when a reporter reached him. As he noted, average flow at that spot for Oct. 25 over the past 82 years is 286 cubic feet per second. The river he had just measured was at 11,200. And at its crest, around midnight as Saturday became Sunday, was more than 18,000 feet per second.

Continue Reading on The Press Democrat

‘It’s A Big One’; Weekend Atmospheric River Gaining Intensity Off California Coast

in Weather

SAN FRANCISCO (CBS SF) — While San Francisco Bay Area residents dodged light raindrops early Wednesday, a much larger atmospheric river continued to intensify off the coast, carrying with it the threat of up to 5 inches of rain in the coastal mountains this coming weekend.

The large plume stretched hundreds of miles across the Pacific, pulling in tropical moisture from the Hawaiian Islands — an unusual development for this time of the year.

When asked about the intensity of the storm, Marty Ralph, director of the Center for Western Weather and Water Extremes in La Jolla, didn’t mince words.

Continue Reading on CBSSF Bay Area

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