Flights at Lindbergh Field unaffected by dense fog

Travelers returning from Thanksgiving holiday

SAN DIEGO - Dense fog did not have an impact on flight operations at San Diego Lindbergh Field on one of the busiest travel of the year with travelers returning from the Thanksgiving holiday.

"There are no delays, all flight operations are normal," said Diana Lucero, a spokeswoman for the San Diego International Airport.

The airport has a noise-reduction curfew for takeoffs, which are prohibited between 11:30 p.m. and 6:30 a.m. The curfew does not apply to arrivals.

"But we don't have that many arrivals in the middle of the night," Lucero said.

Though foggy conditions Sunday morning did not disrupt air traffic, National Weather Service meteorologist James Thomas said it wreaked havoc on the ground.

"Fog was very dense with visibility down to as low as 1/16th of a mile in some areas," he said.

Thomas said visibility Sunday morning was down to a quarter-mile in Carlsbad and half-mile in Oceanside and Miramar.

This time of year, Thomas said the marine layer deepens as high pressure inland forces warm air over the cool ocean.

"If you have higher pressure aloft, it causes the air to sink which causes the marine layer to shrink," he said. "As the marine layer shrinks, you have dense fog along the coast and lower inland valleys."

Temperatures on Sunday were expected to be 5 to 10 degrees cooler in inland San Diego County.

"But we expect the same foggy conditions to persist tonight as they did this morning," said Thomas.

The NWS cautioned motorists to use low-beam, rather than high-beam, headlights during foggy conditions to maximize visibility.

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