Precautions are being taken in southern California after the rains that had been registering mostly in the north of the state this week spread throughout the state. Potentially heavy rains are forecast in the south Thursday night.
The National Weather Service issued a minor flood advisory for roadways and low-lying areas in surrounding San Francisco Bay counties, and an avalanche warning was issued for rural eastern Sierra Nevada in Mono and Inyo counties. .
Forecasters issued a possible flood advisory for areas east and southeast of Los Angeles beginning Thursday afternoon due to possible heavy rains overnight caused by an atmospheric river, a long band of moisture coming from the Pacific Ocean.