Heavy rain sets in overnight
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All eyes are on a series of storms expected to hit the Bay Area Tuesday night into Wednesday.

Thousands in Santa Cruz, San Mateo counties must evacuate over mudslide fears

There are about 5,000 people in the evacuation zone, preparing for what could be one of the wettest weeks in years. People living in Felton, Ben Lomond and Boulder Creek -- areas scarred by the summer's CZU Lightning Complex Fire -- are worried about possible mudslides. 

Powerful atmospheric river heads toward California

Evacuation orders were issued in Santa Cruz and San Mateo counties around the area scorched by a complex of wildfires ignited by lightning last August. The state Office of Emergency Services positioned strike teams and task forces in five counties.

Flash flood warnings ahead
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Brian Garcia, Warning Coordination Meteorologist with the local National Weather Service, talks about the upcoming storm

Sonoma County could be next to evacuate ahead of storm

Between 4 to 6 inches of rain is forecast for the North Bay from Tuesday night into Wednesday, enough to set off mudslides, debris flows and flooding.

Storm coming, cloud rain
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Steve Paulson said a storm is coming. This afternoon will see cloud and rain.

Wet pattern for the next 7 days
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Expect a wet pattern for the next 7 days, including flood watches, wind advisories and the arrival of an atmospheric river. KTVU's Bill Martin has the complete forecast.

The science behind an atmospheric river and the precipitation it will bring
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The first Bay Area atmospheric river of the winter season will be making landfall this week and is expected to produce significant precipitation across most of the state.

Windy, cool
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Today will be windy and cool with temps in the 50s.

Rainbows appear over the Bay Area after intermittent showers

Many residents woke up to the sound of rain knocking against their windows as showers moved through the region. Some lucky viewers captured images of rainbows stretched across the sky. 

Clouds and rain
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There will be clouds and rain today, a pattern that will last into next week