Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 318 AM EST Mon Jan 30 2017 Valid 12Z Mon Jan 30 2017 - 12Z Wed Feb 01 2017 ...Snow possible from the Upper Midwest and Great Lakes to the Appalachians and Mid-Atlantic... ...Snow possible over portions of the Northern Rockies... Developing low off the Mid-Atlantic Coast will move quickly northeastward away from the coast. The system will produce light snow over parts of the Central Appalachians and parts of the Mid-Atlantic that will slowly taper off from west to east through Monday evening. Another developing low over the Northern Plains/Upper Mississippi Valley will move to Northern New England by Wednesday. The system will produce snow over parts of Northern Plains/Upper Mississippi Valley that will expand into parts of the Upper Great Lakes by Monday evening. The snow will expand into the Lower Great Lakes/Central Appalachians on Tuesday morning and into parts of Southern New England/Northern Mid-Atlantic. Meanwhile, weak onshore flow will move into the Pacific Northwest that will begin to produce coastal rain and higher elevation snow over parts of the Pacific Northwest starting overnight Monday into Tuesday evening. In addition, snow will develop over parts of the Northern Rockies also overnight Monday and expand into parts of the Northern High Plains on Tuesday into Tuesday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php