Moderate rain in the forecast, ‘Super Blood Wolf Moon’ on Sunday

This week’s storm — by far the worst of the new year — caused mudslides, car crashes and hundreds of fallen trees, leaving officials on Friday to continue assessing and mitigating the damage.

As of Friday morning, the San Francisco Department of Public Works had received 240 reports of downed trees or limbs since the heaviest storm moved in Wednesday afternoon.

“Our crews have been literally working around the clock, and we brought in extra crews to respond, particularly Wednesday night,” said Rachel Gordon, an agency spokeswoman.

San Francisco had received 10.28 inches of rainfall as of Friday morning, or about 91 percent of normal rainfall totals for the water year, which began Oct. 1. Santa Rosa has now received 17.12 inches, or 93 percent of average, and San Jose had received 5.9 inches, or 87 percent of the water year’s expected total, according to the National Weather Service.

A few scattered showers are expected this weekend as another weak storm barrels into the region, and up to one inch of rainfall is still possible in the North Bay and less than half an inch is expected in San Francisco. The storm system is moving from southern Oregon into Northern California, said Matt Mehle, a National Weather Service meteorologist.

“It’s more passing showers than it’s going to be wet all day,” Mehle said.

Coasts and higher elevations could see 20 to 30 mph winds on Sunday evening with the coming cold front, forecasters said, and cloud cover from the weak storm could obscure views of the total lunar eclipse expected that night.

Known as the “super blood wolf moon” for its reddish tint, the full eclipse will be visible in all of North America for a little over an hour, around 8:41 p.m.

“It may still be cloudy during the totality,” said Anna Schneider, a National Weather Service meteorologist. “It may not clear up until that’s over.”

King tides are also expected to return this weekend, and they could cause minor flooding in coastal areas and low-lying elevations such as marshes, Schneider said.

On Friday, forecasters warned visitors to stay off the coast as large waves crashed on shore. Waves between 25 to 35 feet were expected to batter local shores, with “favored locations” expected to see occasional waves exceeding 45 feet, according to a high surf advisory from the National Weather Service.

Breaking waves between 17 to 21 feet were spotted along San Francisco’s coastline, along with open ocean waves around 15 feet, Mehle said.

“We’re still seeing very high surf impacting the coastline,” he said.

Next week’s forecast includes dry and cool weather.

Gwendolyn Wu is a San Francisco Chronicle staff writer. Email: Twitter: @gwendolynawu

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