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Bigger round 2 of Northern Calif. storm expected

Published on NewsOK Modified: December 23, 2012 at 4:50 am •  Published: December 23, 2012

SAN FRANCISCO (AP) — A weekend winter storm system that moved through Northern California proved a nuisance for holiday travelers, but an even bigger wave of mountain snow and coastal rain Sunday could create even more problems.

Heavy snow is expected in the higher elevations of the Sierra Nevada, bringing the two day total to about five feet. At the same time, the San Francisco Bay area could be seriously doused.

"It's expected to bring some sustained winds, with a possibility of thunderstorms and moderate to heavy rain," said National Weather Service forecaster Diana Henderson.

Early Sunday, the main front of the latest storm was still offshore but poised to move inland.

Northern California is "sort of in between the two (storms) right now," said NWS forecaster Mike Smith. "The storm is on the coast getting ready to come in."

The intermittent rains hitting the bay area would become steady by mid-morning, Smith said. And the snowfall in the mountains would become hardest during the afternoon.

Smith said the region would begin drying out late Sunday and Monday.

The storm "will be out of Bay area by evening, but continue in the Sierra," Smith said.

The first storm drenched the region, dropping more than an inch of rain in Redwood City, about 24 miles south of San Francisco, in a little more than six hours Saturday.

To the east in the Sierra Nevada, Interstate 80, the main route between Sacramento and Reno, Nev., was shut down for about three hours after snowy roads caused several spinouts, but was reopened later in the afternoon, state highway officials said.

Officials said tire chains were mandatory for all vehicles except four-wheel drives on all three major mountain highways between the Sacramento and Reno areas — I-80 over Donner Summit, U.S. 50 over Echo Summit and State Highway 88 through Carson Pass, which was also briefly shut down.

Interstate 5 near the Oregon border was open to cars and truck with chains. It had been shut down late Tuesday for about 12 hours after a 60-car pileup near Yreka then closed again Friday when a storm dropped several inches of snow in some areas of Siskiyou and Shasta counties.

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