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San Francisco may see 3 or more inches of rain in new series of storms

SF Gate logo SF Gate 1/12/2019 By Lauren Hernandez
a bird flying over a fence: Dark clouds hang over the Bay Bridge in San Francisco, Calif. Saturday, Jan. 5, 2019 as a winter storm moves through the Bay Area. © Jessica Christian / The Chronicle Dark clouds hang over the Bay Bridge in San Francisco, Calif. Saturday, Jan. 5, 2019 as a winter storm moves through the Bay Area.

Despite a brief break from showers on Saturday and Sunday morning, Bay Area residents may want to pull out their rain boots and umbrellas again as multiple weather systems will soak the region this week, officials said.

The first of the rainfall will last from late Sunday afternoon into Monday as part of series of weather systems expected to drench the San Francisco Bay Area through Thursday, said Cynthia Palmer, a meteorologist with the National Weather Service.

More storms will follow on Tuesday, followed by another on Wednesday and Thursday, Palmer said. The Bay Area could see between 2 and 3 inches of rain, and even more than 4 inches in higher elevations and mountain regions, she said.

By Thursday, Palmer said San Francisco will likely see 3 inches of rain but rainfall totals are “subject to change,” depending on the weather systems.

“We could be looking at some urban flooding because the ground will be saturated,” Palmer said. “(Residents) should take advantage of the drier weather and clear storm drains and gutters in front of your homes.”

Palmer said residents may “get a break” from heavy rainfall on Friday and Saturday before another weather storm moves in next weekend.

“We’re not done with the rain,” Palmer said. “The timing on that system is varying.”

The weather systems are expected to bring “multiple” feet of snow throughout the Sierra mountain range, said Dawn Johnson, a meteorologist with the Reno office of the National Weather Service.

Light snowfall will begin on Monday night and will peak on Wednesday before another “solid winter storm” rolls in on Thursday, she said.

“It’s going to be a decent winter storm,” Johnson said. “The cumulative effects of the storms will be impressive over the course of the week.”

Snowfall may reach up to 4.5 feet of snow at the Northstar California Resort over the next seven days, with a storm moving in on Monday and “considerable,” heavy snowfall on Tuesday, said Stephanie Myers, a communications manager with the resort.

Sierra-at-Tahoe has received 121 inches of snow at the summit so far this season, which kicked off in November, but the region hasn’t seen much snow in the past few days, said Sarah Sherman, a communications manager with the resort.

That will likely change on Sunday night or Monday, when resort officials are expecting a “significant amount of snowfall,” Sherman said.

“It’s hard to say this far out, but forecasts are ranging from inches per day and some are saying feet,” she said.

On Friday, heavy rain and winds caused rocks and mud to fill the roadway on Highway 1 in Big Sur, prompting road closures lasting until Saturday. Caltrans crews spent Saturday morning clearing the mud and rock from the road to allow traffic to return to normal, but only briefly

While crews reopened Highway 1 from Deetjen’s Big Sur Inn to Ragged Point, officials said they plan to issue a new 48-hour closure notice on Saturday afternoon.

Lauren Hernandez is a San Francisco Chronicle staff writer. Email: Twitter: @LaurenPorFavor


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