* WHAT...North winds 20 to 30 mph with gusts up to 40 to 45 mph expected. * WHERE...North and Central Texas * WHEN...From 4 AM to 7 PM CDT Friday. * IMPACTS...Unsecured outdoor items may be blown around in the wind. Driving on area roadways may become difficult, especially for high-profile vehicles. Small tree limbs could break and cause damage.