Experts Weigh In On Risk Of 'Ark Storm' Amid Heavy Rainfall

CBS San Francisco

January 4, 2023

Among the people who study weather and water in our state, a lot of focus is on what some might call "the big one" when it comes to rainfall: The so-called "ark storm."

"This is the one that's going to be here Wednesday," said Jeffrey Mount, Senior Fellow at the PPIC Water Policy Center, pointing at an image of the west coast. "See how it's spinning counterclockwise, pulling all that moisture in from Hawaii? That's the key, warm air holds more wat

Watching the storm traffic stretch out over the Pacific, Mount has one initial thought.

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