* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Northern Mendocino Interior, and Coastal Mendocino.
* WHEN...From 4 AM to 11 AM PST Friday.
* IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.
* ADDITIONAL DETAILS...Winds will be strong aloft and may mix down to the surface, resulting in wind advisory conditions.