Large Weather System Approaches Northern California, Bay
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A flash flood watch is in effect for the region north of San Francisco Bay today and tonight. Heavy rain this morning and another rain storm expected tonight are expected to produce flooding of small streams and rivers of Sonoma, Napa and Marin counties, along with mudslides and street flooding.
The National Weather Service says the ground in the North Bay area is completely saturated after ten to 20 inches of rain during December.
