Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 328 AM EDT Tue Apr 09 2019 Valid 12Z Tue Apr 09 2019 - 12Z Thu Apr 11 2019 ...Major winter storm will produce heavy snow and near blizzard conditions to portions of the Northern Rockies, Northern/Central Plains into the Upper Mississippi Valley... ...There is a slight risk of severe thunderstorms over parts of the Southeast... ...Heavy rain possible over parts of the Middle Mississippi Valley... ...Heavy snow likely for Northern New England... Low pressure over the Central/Eastern Gulf Coast will move eastward off the Southeast Coast by Tuesday evening. The system will produce showers and thunderstorms over the Southeast, likewise, moving off the Southeast Coast overnight Tuesday. A complicated area of low pressure over the Lower Great Lakes will move off the Northeast Coast overnight Tuesday. The storm will produce snow over Northern New England through Wednesday evening. In addition, rain with embedded thunderstorms will develop over parts of the Northeast/Northern Mid-Atlantic that will move off the Northeast/Northern Mid-Atlantic Coast by late Tuesday evening. Meanwhile, a major late-season winter storm will develop over parts of the Northern Rockies and move eastward to the Central Plains/Middle Mississippi Valley by Thursday. The storm will produce snow over the Cascades with lower elevation rain from the Pacific Northwest Coast inland to parts of the Northern Rockies on Tuesday. By Tuesday evening, snow will spread into parts of the Great Basin into the Northern Rockies. Overnight Tuesday, snow will spread into the Central Rockies and the Northern High Plains. On Wednesday, snow will develop over parts of the Northern/Central Plains with rain stretching from parts of the Central Plains eastward into the Middle Mississippi Valley and Western Ohio Valley. The snow will also expand over the Upper Mississippi Valley into parts of the Upper Great Lakes overnight Wednesday into Thursday. The snow will also continue over the Northern/Central Rockies through Thursday. This storm is expected to intensify rapidly late Tuesday into Wednesday. This will produce increasing wind across a large regions from the Southwest, Great Basin and across much of the middle section of the nation from the Southern Plains to the Northern Plains. The potentially high wind will produce life-threatening travel conditions with Blizzard conditions possible over portions of the Central/Northern Plains into the Upper Mississippi Valley late Tuesday into Thursday. To the south of the region of heavy snows, damaging wind is likely from the Southwest, across portions of the Great Basin on Tuesday and into the Southern and Central Plains during Wednesday. Additional upper-level energy will move into the Northwest Wednesday night into Thursday that will produce additional snow over parts of the Northern Rockies and parts of the Great Basin with rain along the Pacific Northwest. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php