* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected.
* WHERE...Humboldt Interior, Interior Del Norte, and Southwestern Humboldt.
* WHEN...From midnight Thursday Night to 1 PM PST Friday.
* IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.