Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 229 AM EST Thu Mar 02 2017 Valid 12Z Thu Mar 02 2017 - 12Z Sat Mar 04 2017 ...Heavy snow possible over the Northern Cascades... ...Heavy rain possible over the Pacific Northwest Coast... A strong front moving eastward over the Southeast will move off the southeast coast of Florida by Thursday evening. Rain will develop a long the boundary over parts of the Southern Mid-Atlantic Coast to parts of the Eastern Gulf Coast that will move off the most of the Mid-Atlantic/Southeast Coast by Thursday evening. Rain will linger over the southeastern portion of Florida through Friday evening. In addition, a deep low pressure center over Northern Maine will move northeastward into Southeastern Canada overnight Thursday. Rain over Maine will change over to snow by Thursday afternoon with the snow ending by Friday morning. In the wake of the low, light snow over the Lower Great Lakes/Central Appalachians and interior Northeast will tapper off by Thursday evening. Meanwhile, a fast moving clipper system over the Northern Plains/Middle Mississippi Valley will move in an easterly direction off the Mid-Atlantic Coast by Friday afternoon. The storm will produce light snow over parts of the Northern Plains and Upper Great Lakes that will expand over the Great Lakes/Ohio Valley by Thursday evening and into parts of the Lower Great Lakes/Central Appalachians by Friday morning. The snow will move into parts of the Northern Mid-Atlantic by Friday evening. Additionally, lake effect snow will develop over parts of the Upper Great Lakes Friday morning into Friday evening. Furthermore, a plume of moisture will move into the Pacific Northwest that will slowly move southward into parts of Northern California by Friday evening. The associated onshore flow will aid in producing rain a long the coast and snow over the higher elevations over the Northwest with snow moving into parts of the Northern Rockies through Friday evening. On Friday, rain will move into parts of the Northern California Coast. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php