* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Northern Sacramento Valley and portions of the central Sacramento Valley.
* WHEN...From 4 AM to 7 PM PST Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest winds expected Friday late morning and afternoon, especially over the northern Sacramento Valley.