A powerful storm referred to as a “bomb cyclone” and “atmospheric river” walloped Northern California late Sunday into Monday morning, causing flooding, power outages and mudslides.

Drenching showers and strong winds accompanied the weekend’s arrival of the atmospheric river — a long and wide plume of moisture pulled in from the Pacific Ocean.

The storm soaking the Bay Area on Sunday was tied as the third-strongest since 1950 on the Bay Area Storm Index, and the strongest in 26 years, according to the San Francisco Chronicle.


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