Storm System to Arrive Thursday Night | NBC Southern California

Storm System to Arrive Thursday Night

Expect wet conditions through Saturday

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    LOS ANGELES, CA - FEBRUARY 20: The sun breaks through storm clouds over the Glendale-Hyperion Bridge, which crosses the Los Angeles River, on February 20, 2008 in Los Angeles, California. Eleven bridges that span the river were declared Historic-Cultural Monuments by the Los Angeles City Council on January 30 bringing the total number of LA River brides to receive the designation to fourteen. The bridges, built between 1909 and 1944, are regularly seen in film and television shows such as the first two "Terminator" movies, "Grease" and "Transformers", which made use of 6th Street Bridge, and the first three seasons of the television series "24" which used both the 6th and 4th Street bridges. The effort to give the bridges greater safeguards was energized by city improvement plans that will affect six of the deteriorating bridges. (Photo by David McNew/Getty Images)

    A storm system stronger than what already has hit  this week should arrive in Los Angeles County this evening, continuing through  Saturday, forecasters said.

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    According to the National Weather Service, the next storm system will  bring the potential for periods of heavy rain, significant snow in the  mountains and strong winds. In addition, there's a chance of waterspouts,  isolated small tornados and thunderstorms, with heavy downpours, hail, strong  winds and lightning.

    The Weather Service also advised that a strong low pressure system in  the Eastern Pacific has generated a large west-northwest swell that reached  coastal waters this morning.

    "Most of the swell energy will be focused north of Point Conception,  but some swell energy will impact the coastal areas of Ventura and Los Angeles  counties," according to the NWS.

    Surfers won't have far to go for a Zen moment Thursday.

    The Weather Service put out a high-surf advisory for LA and Ventura county. In Ventura, 10-foot sets are possible.

    Higher than normal surf of 4 to 6 feet, with local sets of 7 feet, is expected across Los Angeles County through Thursday night. The highest waves  are expected across west-facing beaches, from Santa Monica southward to Palos  Verdes.