Heavy rain, flooded streets jam Monday morning commute

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SAN DIEGO - Strong winds potentially heavy rain, which could trigger flash flooding, pummelled various parts of San Diego County Monday as the second of two storms hit the region.

San Diego police are reporting flooding along Callan Road at North Torrey Pines Road; in the 5600 block of Carroll Canyon Road in Sorrento Valley; on Airway Road at La Media Road in Otay Mesa; and in the 11100 block of Roselle Street in Sorrento Valley.

The SDPD previously reported flooding in the 2300 block of Garnet Avenue in Pacific Beach; the northbound side of the 5600 block of La Jolla Boulevard in La Jolla; the 2400 block of Hotel Circle North in Mission Valley; and on Avenida Del Rio at Camino de la Reina in Mission Valley.

The county Department of Public Works is reporting flooding and associated road closures on Country Club Road in the Harmony Grove area and on Lemon Crest Drive, between Wintergardens Boulevard and Riverview Avenue, in Lakeside.

The California Highway Patrol is reporting large rocks have fallen onto eastbound state Route 78 at Wynola Road. Several traffic accidents have also occurred on San Diego County highways and on streets in unincorporated areas.

FOX 5 Interactive Radar

The weaker of the low-pressure systems brought wind and light rain over the weekend. Most areas got less than a quarter-inch or rain, but a peak wind gust of 62 miles per hour was recorded on Volcan Mountain, according to the National Weather Service. A wind advisory for the mountains warning of winds of 25 to 35 mph with gusts that may reach 65 mph in certain wind-prone areas will remain in effect until 10 a.m. Tuesday.

Rainfall from the second storm is expected to focus on San Diego County and northern Baja. Anticipated precipitation amounts of around an inch along the coast and up to 3 inches in the mountains prompted the National Weather Service to issue a flash flood watch for the beaches, the valleys and mountain areas below 5,000 feet. It will be in effect from 8 a.m. through Monday evening.

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"Rainfall will impact the commutes and will likely lead to flows in the Tijuana River. Outside of San Diego County rainfall will be hit and miss, with only light accumulations expected," according to the weather service.

Heavy rainfall in the Tijuana River Watershed may lead to heavy flows in the Tijuana River and tributaries. Urban and small stream flooding is expected and isolated flash flooding may be possible, according to the NWS

The storm will also bring periods of snow to the mountains, with the most significant amounts above 5,500 feet. A winter weather advisory was canceled Monday for San Diego County, but it remains in effect ofr for mountain areas in Riverside County above 5,500 feet will be in force from 8 a.m.  until 10 p.m.

Light snowfall is expected during the morning hours, followed by a heavier round during the late afternoon and evening.

Forecasters warned that the wind, rain and snow could make for difficult driving conditions. Drivers were urged to use extra caution.

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