* WHAT...Heavy mixed precipitation expected. Snow and sleet will accumulate Saturday evening and overnight and then change to freezing rain during the day Sunday. Total snow and sleet accumulations Saturday night into Sunday morning between 4 and 9 inches and ice accumulations up to three quarters of an inch Sunday into Sunday night. * WHERE...Portions of southeast Maryland and central, east central, north central, and southeast Virginia. * WHEN...From 1 PM Saturday to 7 PM EST Monday. * IMPACTS...Devastating impacts are expected including widespread power outages and tree damage due to the ice. Travel could quickly become nearly impossible. Due to the increasing wind on Monday, additional tree damage and power outages are possible. People should prepare for power outages to potentially last for several days along with extreme cold.