advection fog


Definition of advection fog

: fog generated when warm moist air moves horizontally across a cooler surface Low-lying coastal regions like Chile's are subject to advection fog, where warm ocean air crosses a band of cold water before reaching land.— Michael Tennesen, Discover, April 2009

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First Known Use of advection fog

1918, in the meaning defined above

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The first known use of advection fog was in 1918

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Cite this Entry

“Advection fog.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

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