Creek Rages as Powerful Atmospheric River Drenches Northern California

A powerful atmospheric river and “bomb cyclone” drenched Northern California on October 24, with the National Weather Service issuing flood warnings.

The downpour broke the one-day rainfall record for downtown San Francisco, while also making it the area’s second-wettest October on record. Some rainfall totals passed the one-foot mark.

The storm led to hundreds of thousands of power outages, according to Pacific Gas & Electric.

The National Weather Service said heavy rain, high-elevation snow, and gusty winds were forecast for central and northern California, the Sierra Nevada, and the Great Basin on Monday.

This video shows the waters of San Anselmo Creek in Marin County, California, raging on October 24.

According to the NOAA, atmospheric rivers are “relatively long, narrow regions in the atmosphere – like rivers in the sky – that transport most of the water vapor outside of the tropics. These columns of vapor move with the weather, carrying an amount of water vapor roughly equivalent to the average flow of water at the mouth of the Mississippi River.” Credit: @Lambo_Gambo via Storyful

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