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Winter Storm Pounds San Diego County

Photo caption: Cars are underwater with flooding on Balboa Avenue near Kearny Villa Road, Ja...

Photo credit: 10NEWS

Cars are underwater with flooding on Balboa Avenue near Kearny Villa Road, Jan.5, 2016.

UPDATE: 9 p.m., Jan. 5, 2016

How much did it rain? Not a lot in the desert. The Palomar Observatory got the most at 3.01 inches. Here are the other totals for the 24-hour period ending at 5 p.m.:

• Mount Woodson, 2.72 inches.

• Poway, 2.46 inches.

• Montgomery Field, 2.43 inches.

• Kearny Mesa and Miramar Lake, 2.3 inches.

• Henshaw Dam, 2.18 inches.

• Mission Valley, 2.02 inches.

• San Onofre, 1.97 inches.

• Santee, 1.77 inches.

• Lindbergh Field, 1.66 inches.

• Oak Grove, 1.52 inches.

• Point Loma, 1.46 inches.

• La Mesa, 1.45 inches.

• Granite Hills area, 1.28 inches.

• Carlsbad, 1.27 inches.

• Lake Cuyamaca, 1.24 inches.

• Otay Mountain, 1.23 inches.

• Oceanside, 1.2 inches.

• Julian, 1.03 inches.

• Encinitas, 0.9 of an inch.

• Warner Springs, 0.87 of an inch.

• Lake Murray, 0.63 of an inch.

• Borrego Springs, 0.19 of an inch.

• Agua Caliente, 0.15 of an inch.

UPDATE: 6:15 p.m., Jan. 5, 2016

Photo by Alison St John

The rain-swollen San Diego River, as seen from the San Diego trolley in Mission Valley, Jan. 5, 2016.

The heavy rains that pounded San Diego County throughout Tuesday afternoon began to let up around 6 p.m., but a flash flood warning remains in effect until 7:15 p.m.

The National Weather Service said the region got 1 to 2 inches of rain in less than three hours during the afternoon. On its San Diego Facebook page, the weather service said the forecast is for the San Diego River at Fashion Valley to approach 11 feet by 7 p.m. — "mere inches below flood stage."

The water level is expected to gradually fall through the night but increase again when moderate to heavy rain is predicted late Wednesday.

UPDATE: 5 p.m., Jan. 5, 2016

Nearly 4,000 customers were without power Tuesday because of the storm that passed through San Diego County, according to San Diego Gas & Electric.

The utility's power outage map shows the largest outage began just before 4 p.m. in Clairemont and Kearny Mesa, near state Route 52. The cause of the outage hasn't been determined. It was affecting 3,979 customers, according to SDG&E.

The utility reported other outages, affecting a few hundred customers each, in Point Loma and southern Chula Vista.

UPDATE: 4:30 p.m., Jan. 5, 2016

The National Weather Service has issued a flash flood warning until 7:15 p.m.

About 1 to 1.5 inches of rain fell in about two hours in the county, causing dangerous conditions throughout the region, the weather service said. Here is some of what's happening:

• A San Diego fire department spokesman said emergency crews are working to extricate people from several cars stuck in floodwater at the intersection of Mount Alifan and Mount Aguilar drives in Clairemont. There were no immediate reports of injuries.

• Flooding had forced a temporary closure of Genesee Avenue from North Torrey Pines Road to Interstate 5, near the University of California San Diego, according to San Diego police.

• Flooding had forced temporary closures of Carmel Mountain Road at Sorrento Valley Road and the southbound Interstate 805 off-ramp to Bonita Road, according to San Diego police and Caltrans.

Original post:

Photo caption: People struggle through the rain to get to their car in a parking lot in Kear...

Photo by Tom Fudge

People struggle through the rain to get to their car in a parking lot in Kearny Mesa, Jan. 5, 2016.

Photo by Claire Trageser

Rain falling from a gutter at a home in the El Cerrito neighborhood of San Diego, Jan. 5, 2016.

Photo by Christopher Maue

A car drives in the rain on Interstate 8 East near Mission Valley, Jan. 5, 2016.

The second in a series of winter storms made for another soggy day in the San Diego area Tuesday.

The unsettled atmospheric system, which followed close behind one that arrived in the county Sunday evening, delivered steady showers and occasional heavy downpours across the region through the morning Tuesday, according to the National Weather Service.

Forecasts for periodic heavy rain prompted the weather service to issue a flash- flood watch for the region, effective through late Wednesday night. An urban and small stream flood advisory is in effect for San Diego County until 5:45 p.m.

Storm-related flooding has forced temporary closures of Avenida del Rio near Fashion Valley mall, the 2700 block of Midway Drive and the 10900 block of San Diego Mission Road, according to San Diego police. Motorists are advised to avoid those areas until further notice if possible.

Over a 24-hour period ending at 10 a.m., the clouds had dropped 0.61 of an inch of moisture on San Clemente Island; 0.38 on Palomar Mountain; 0.28 in Flinn Springs and the Granite Hills area; 0.25 in Chula Vista; 0.24 in Harbison Canyon and the University Heights neighborhood of San Diego; 0.23 in Lemon Grove and Santee; 0.22 in Mission Valley; 0.2 in Point Loma; 0.19 in La Mesa; 0.18 in Carlsbad and at Lindbergh Field; 0.17 in Linda Vista; 0.16 in Encinitas, Kearny Mesa and Oceanside; 0.9 in Mission Beach and Vista; and 0.04 in Del Mar.

The series of consecutive storms, which is expected to continue into the weekend, may bring some local snowfall as well in the East County highlands, though probably not today, National Weather Service meteorologist Jimmy Taeger said.

All told, the spate of inclement weather likely will leave behind two to four inches of rain west of the mountains, three to six inches on coastal slopes and 0.5 to 1.5 inches in the deserts, according to forecasters.

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