Dense Fog Overnight Causes Dangerous Travel Conditions on San Diego Roads, Delays at Airport

Visibility at the airport was limited to about a quarter-mile, according to the National Weather Service

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A dense fog advisory is in effect for San Diego County's coastal communities on Tuesday as thick fog reduces visibility for drivers on the road and impacts flights going in and out of San Diego International Airport.

The National Weather Service said the fog began to creep into the county overnight and that residents will wake up to clouded conditions throughout the region. It added the advisory will be in place until 9 a.m., when conditions are expected to be better.

Coastal areas had a visibility of 0 miles while some inland areas had a visibility of 10 miles, according to NBC 7 meteorologist Sheena Parveen.

"Much of the South Bay is dealing with patchy, dense fog," she said. She added that the fog will continue to fluctuate before making way to sunny skies just in time for the afternoon.

Until then, she warns drivers to take it slow behind the wheel and reminds them to use their low beams while the fog remains an issue.

“Our weather pattern stays pretty steady into tomorrow," Parveen said. "We could see morning fog again near the coast tomorrow.”

At least 30 incoming flights were delayed and one was canceled Monday night due to poor visibility, airport spokesperson Sabrina Lopiccolo confirmed. Six departing flights were also delayed, LoPiccolo said.

NWS San Diego said dense fog in the Laguna Beach area started drifting south toward the border at around 8:45 p.m. Visibility at the airport was limited to about a quarter-mile, the NWS said.

The NWS reported visibility in Oceanside was also down to a quarter-mile while NAS North Island was limited to about an eighth of a mile.

Check all flight statuses at San Diego Airport here.

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