A winter weather advisory was issued by the National Weather Service on Wednesday at 9:54 p.m. valid for Thursday between midnight and 10 p.m. for Cayuga and Onondaga counties."Total snow accumulations 3 to 7 inches over the higher elevations south of Syracuse and Auburn," comments the weather service. "Snow amounts will vary significantly across the counties; with less than 2 inches expected in Syracuse and Auburn. Higher totals between 3 to 7 inches are expected over the higher elevations. Isolated power outages possible over the higher elevations."