* WHAT...Significant icing expected. Total ice accumulations of one quarter to one half of an inch. * WHERE...Portions of southwest North Carolina and East Tennessee. * WHEN...From 1 PM EST /noon CST/ Saturday to 7 PM EST /6 PM CST/ Sunday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. * ADDITIONAL DETAILS...Any higher ridge tops within the warning area, along with portions of the southern Cumberland Plateau, Lookout Mountain, Signal Mountain, and Mowbray Mountain will have gusty winds in addition to the ice accumulation which will increase the risk of tree damage and power outages for these locations.