Flooding: Evacuations in SJ, Napa and Russian rivers expected to flood

Heavy rain and punishing winds continued to pummel the Bay Area on Thursday morning, leading to pre-dawn flood warnings, evacuation orders for hundreds of San Jose residents, power outages for thousands and multiple North Bay school closures.

In San Jose, homes were evacuated north of Almaden Expressway as the city’s major waterway was expected to exceed the flood stage of 8.5 feet before sunrise. By 5:30 a.m., the Guadalupe River measured 8.81 feet, Gass said.

“It is forecast to approach around 9.1 feet over the next several hours or so, and that’s likely the reason behind those evacuation orders,” he said.

Around 7:07 a.m., the evacuation order was lifted for the nearly 800 people in the flood watch zone, said Rosario Neaves, a spokeswoman for the city of San Jose.

Officials have issued flood advisories that expect rapid rises in urban and small streams, as well as major waterways such as the Russian River near Guerneville, Napa River near St. Helena, Carmel River at Robles Del Rio and the Guadalupe River in San Jose.

The greatest flood threats were in the North Bay and South Bay, where many small creeks and streams had overfilled their banks or are expected to in the coming hours, National Weather Service meteorologist Roger Gass said.

Sporadic rain showers from Wednesday into Thursday continued the overflow. Several roads throughout Sonoma County have been shut down because of flooding.

Officials expect the Napa River and Russian River to flood, with the Russian River near Guerneville peaking early Thursday morning.

The Novato Police Department issued a shelter-in-place advisory Thursday morning because of severe flooding on Papermill Creek Court.

A mudslide destroyed a home in Sausalito and emergency responders rescued a woman from the rubble, according to various media reports.

“Given the amount of rainfall we’ve had, the ground is saturated and that is something people need to be aware of, especially through the hilly terrain across our region,” Gass said.

The principal of Tamalpais High School in Mill Valley announced around 7 a.m. that the school would be closed for the day because of flooding. Officials also closed Miller Road between Almonte Boulevard and Tamalpais High School.

Officials expect flooding concerns to continue into at least Friday.

Ashley McBride is a San Francisco Chronicle staff writer. Email: ashley.mcbride@sfchronicle.com Twitter: @ashleynmcb

This post was originally posted at https://www.sfgate.com/bayarea/article/FLOODING-Evacuations-in-SJ-Napa-and-Russian-13616224.php.

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