Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 331 AM EST Wed Mar 02 2016 Valid 12Z Wed Mar 02 2016 - 12Z Fri Mar 04 2016 ...Heavy rain over parts of the Olympic Peninsula... ...Snow for parts of the Ohio Valley... ...Temperatures will be 10 to 15 degrees below average over the Great Lakes/Ohio Valley to parts of the Tennessee Valley... Deep low pressure over the Northern Appalachians will move northeastward to Northeastern Canada by Thursday. The associated front will move off the East Coast by Wednesday afternoon. Showers and thunderstorms will move off most of the Southeast Coast by Wednesday morning and end over Northeastern Florida by late Wednesday afternoon. Rain will develop along the boundary from parts of Northern New England to parts of the Mid-Atlantic Coast on Wednesday morning that will likewise move offshore by Wednesday afternoon. Snow will also develop over parts of the Lower Great Lakes into parts of Northern/Central Appalachians by Wednesday morning, too. Some snow will linger over parts of the Lower Great Lakes to Northern Maine by Wednesday evening before ending later Wednesday night. Meanwhile, a storm over the Northern High Plains will move southeastward to the Southeast by Thursday evening. The system will produce lower elevation rain and snow from parts of the Northwest eastward to the Northern High Plains on Wednesday with the snow moving to parts of the Northern Plains/Middle Mississippi Valley by Wednesday evening. The rain will develop over parts of the Northern/Central High Plains by Wednesday afternoon moving into parts of the Central Plains by Wednesday evening. As the energy moves onto the Plains overnight Wednesday, showers and thunderstorms will develop over the Middle/Lower Mississippi Valley by Thursday morning moving to the Central/Eastern Gulf Coast by Thursday evening. Rain will develop over parts of the Ohio/Tennessee Valleys on Thursday afternoon moving to parts of the Southeast/Southern Mid-Atlantic by Thursday evening. In addition, snow will develop over parts of the Middle Mississippi Valley/Western Ohio Valley that will move eastward to parts of the Lower Great Lakes/Northern Mid-Atlantic by Thursday evening. Elsewhere, another front will move onshore over the Northwest/Northern California overnight Wednesday and move eastward to the Northern High Plain/Central Rockies and Great Basin by Thursday evening. The system will produce rain along the Pacific Northwest Coast and the Northern California Coast starting Wednesday evening. The rain will move inland to parts of the Northern Intermountain Region and into Central California and snow over parts of the Northern Rockies by Thursday morning continuing to Thursday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php