Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 255 PM EST Fri Jan 12 2018 Valid 00Z Sat Jan 13 2018 - 00Z Mon Jan 15 2018 ...Heavy snow possible from the Ohio Valley into the Northeast... ...Rain/freezing rain/sleet possible Central Appalachians to the Northeast... ...Heavy rain possible along New England Coast... A strong front over the eastern portion of the country will move eastward off the Eastern Seaboard by Saturday afternoon. The system will produce rain with possible embedded thunderstorms over the Southern Mid-Atlantic/Southeast Coast through early Saturday morning. Rain will also develop over parts of the Northeast to the Central/Southern Appalachians that will end south to north along the East Coast by Saturday evening. The system will also produce snow from parts of the Tennessee Valley into the Lower Great Lakes that will move into the Central Appalachians into the Northeast by Saturday morning. The snow will be heavy at times. The snow will start to wind down on Saturday afternoon from the Central Appalachians into the Northern Mid-Atlantic and ending over the Northeast by Saturday evening. In addition, along the rain/snow line, a band of rain/freezing rain/sleet will develop from the Central Appalachians into the Northeast, again south to north, through late afternoon on Saturday. In the wake of the storm, light lake effect snow will develop downwind from Great Lakes winding down by Sunday morning. Meanwhile, onshore flow will stream moisture into the Northwest through Saturday evening. Additionally, a front extending along the east side of the Rockies and cold high pressure building into the Plains will aid in producing snow over parts of the Northern/Central Rockies into parts of the Central Plains through Friday evening. A wave of low pressure over the Northern Rockies, on Saturday morning, will move southeastward to the Central High Plains by Sunday morning. Snow will develop over the Northern Rockies on Saturday will move southeastward into the Central/Northern Plains overnight Saturday into Sunday. More to Follow Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php