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SAN DIEGO – Flooding across San Diego County caused major traffic jams on highways and flooded underground parking garages Tuesday afternoon.

A flood advisory was issued for San Diego and Riverside counties until 2 p.m. Tuesday. Weather radar indicated areas of heavy rain could flood areas near the coast, valleys and mountains.

A Lamborghini and other cars parked in an underground parking lot in Ocean Beach were submerged by the flooding.

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Highways, streets and underpasses with poor drainage also experienced flooding. A collision involving a big rig has left all lanes blocked on northbound Interstate 15, just north of Interstate 8.

A dump truck has crashed on northbound Interstate 805 and spilled a load of rocks across the roadway in the area of H Street in Chula Vista, according to the California Highway Patrol. Several lanes were blocked, the CHP reports.

An Encinitas woman sent video showing a surfer getting towed behind an SUV along Coast Highway 101.

The Department of Environmental Health has issued an advisory for the coastal waters warning swimmers and surfers that levels of bacteria can rise significantly in ocean and bay waters, especially near storm drains, creeks, rivers, and lagoon outlets that discharge urban runoff.

Excessive runoff from heavy rainfall also caused elevated levels at small creeks and streams.