Why is it so foggy and for so long?

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by Jeff Renner

Bio | Email | Follow: @Jeffrennerwx

KING5.com

Posted on August 15, 2009 at 3:04 PM

Updated Monday, Sep 21 at 12:31 PM

Why was it so foggy and for so long?

The ground is still very wet from the heavy rains two weeks ago; high pressure has trapped both moisture in the form of water vapor, together with pollutants close to the ground; clear skies and light winds allow temperatures to cool enough to condense the water vapor into fog droplets.

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