Portions of Northern California are bracing for a powerful atmospheric river storm beginning Tuesday night, with forecasters warning that the system is expected to be more disruptive due to its intense winds than its rainfall.

The National Weather Service issued a high wind warning for coastal areas north of the Golden Gate , including the Sonoma and Marin coastlines, where wind gusts could reach 60 to 65 mph. Isolated gusts of 65 to 70 mph are possible in a few spots, and forecasters urged residents to secure loose outdoor items and prepare for power outages. The warning is in effect from 10 p.m. Tuesday to 4 p.m. Wednesday.

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A broader wind advisory was in effect for the North Bay, San Francisco, the Penins

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