A pair of relatively weak atmospheric river storm systems will sweep over the Bay Area this week, bringing rain to the Central and North Coasts as well, according to the National Weather Service.

Rain pelted the Bay Area again Friday morning as the most intense part of the second wave in a storm pattern whipped its way onto shore accompanied by cold, gusty winds similar to those that blew during the first round.

A fast-moving storm system is sweeping into the Bay Area and Central Coast, bringing heavy rain, strong winds and the possibility of thunderstorms, according to the National Weather Service. A wind advisory is in effect from 8 a.

Strong winds and rain from the atmospheric river storm hitting the Bay Area caused thousands of PG&E customers to lose power on Wednesday, the utility said.