Fog is a quintessential part of the Bay Area, a seemingly simple suspension of water in air that has shaped our culture and ecology since time immemorial. For us, it is the ghostly embodiment of cold weather — and maybe our only chance at a white Christmas. At its core, it only needs two ingredients – cool temperatures and humid air — and it forms when moisture condenses to form a cloud close to the surface of the Earth.

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But beyond that, its formation is still not fully understood, shaped by a variety of forces around the globe. Which might be why it is not only the stuff of song and poetry, but also of serious scientific research.

“I think one of the reasons why fog is so cool to look at and study – beyond its absolute stunning beauty – is that it’s just so multi-dimen

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