Timeline: Here's when round 2 of atmospheric river will hit Bay Area

Round 2 of that atmospheric river is expected to hit Friday, covering a wider region of the Bay Area. Here's a timeline of when the rain will hit the hardest.

San Francisco weather: These 2 locations got more than 11 inches of rain

The Bay Area got walloped with rain on Wednesday and two locations received more than 11 inches of precipitation in the last 24 hours.

Bomb cyclone pushing atmospheric river into North Bay
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A bomb cyclone off the coast has merged with an atmospheric river, pushing the system into the North Bay.

Band of heavy rain stalls over the North Bay
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The band of heavy rain will continue to stall over portions of the North Bay. Periods of heavy rain will continue to fall in Marin, Sonoma, and Napa counties. Elsewhere, occasional rain will continue. The South Bay may pick up just a few scattered showers. This pattern remains in place tomorrow. The rain finally makes its move to the south, over the entire Bay Area, Friday. The flood threat will continue to be focused in the North Bay. Update: The Flood Advisory for parts of the North Bay has been extended until 8 pm today.

Bulk of atmospheric river activity in North Bay
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The National Weather Service has issued a flood advisory for portions of Sonoma, Napa and Mendocino counties on Wednesday as an atmospheric river sweeps over the region.

Bay Area sees travel disruptions due to atmospheric river

Transit agencies, travel officials, and the National Weather Service are warning travelers to expect disruptions as severe weather, including strong winds, affects the Bay Area.

Bay Area storm watch: North Bay gets first rain in atmospheric river

Though the North Bay is facing the brunt of the storm, the entire Bay Area is in it for the long haul, with the storm expected to bring rain to our area until Sunday.

Wet, windy weather hits Santa Rosa
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KTVU Meteorologist Roberta Gonzales reports live from Santa Rosa.

Atmospheric river to dump heavy rains on Santa Rosa, residents prepare

An atmospheric river storm is expected to arrive in the North Bay late Tuesday before spreading to the rest of the Bay Area later this week, likely bringing several inches of rain and wind gusts of up to 45-50 mph, according to the National Weather Service.

The difference between a bomb cyclone and an atmospheric river
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KTVU's Mark Tamayo explains how a bomb cyclone differs from an atmospheric river as the Bay Area sees its first major storm of the season this week.

What is an atmospheric river?

The federal government estimates that atmospheric rivers have been associated with $1 billion of damage every year, with 80% of the flood damage in California.

What is a bomb cyclone? Bay Area braces for wet weather

As winter is upon us, bomb cyclones will surely be a popular search term. We thought we'd explain what it is.

Atmospheric river rain ahead
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Today will be cold and tomorrow will bring an atmospheric river rain event.