Why do sounds seem 'muffled' when it's foggy?

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by Jeff Renner

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KING5.com

Posted on January 1, 2014 at 7:29 PM

Why do sounds seem 'muffled' when it's foggy?

Fog droplets are liquid water, which are suspended in air. When liquid water droplets touch, such as in Puget Sound, they transmit sound very well. But because fog droplets aren't touching, and are surrounded by air, fog acts like acoustic tile or foam-absorbing and also distorting the sound...making it more difficult to determine the source of sound.

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