* WHAT...Significant icing expected. Total snow and sleet accumulations up to two inches and ice accumulations between one tenth and one half of an inch. Winds gusting as high as 40 mph. * WHERE...A portion of the mountains of western North Carolina near the Tennessee border, including Buncombe and northern Jackson counties. * WHEN...From 1 PM Saturday to 1 PM EST Monday. * IMPACTS...Ice and snow covered roadways will become treacherous and impassable. Widespread power outages are likely due to the weight of the ice and snow on tree limbs and power lines. The outages could last for days in some areas. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Ice, snow and sleet accumulations will increase rapidly between 7 PM Saturday evening and midnight Sunday morning. Ice accumulation will taper off Sunday evening but light snow may occur Sunday night and early Monday morning.