Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 413 PM EDT Mon Sep 26 2016 Valid 00Z Tue Sep 27 2016 - 00Z Thu Sep 29 2016 ...Cold front moves to the East Coast with showers and storms... A front extending from the Lower Great Lakes roughly southwestward to the Western Gulf Coast will slowly move eastward off the Northeast Coast while lingering over the Southern Mid-Atlantic across parts of the Southeast by Wednesday. The system will produce rain over parts of the Great Lakes into the Upper Mississippi Valley and into the Central Appalachians that will slowly move off the Northeast Coast by Wednesday. The rain over the Upper Mississippi Valley/Great Lakes will remain over the area through Tuesday evening. The rain will ending over the Upper Mississippi Valley by overnight Tuesday, while moving into parts of the Ohio Valley. In addition, showers and thunderstorms will develop along and ahead of the boundary from parts of the Eastern Ohio Valley to the Lower Mississippi Valley/Western Gulf Coast that will move eastward to the Southern Mid-Atlantic to the Central Gulf Coast as well as linger over parts of the Western Gulf Coast by Tuesday afternoon. The showers and thunderstorms will continue over the Southern Mid-Atlantic to the Eastern/Central Gulf Coast through Wednesday. Meanwhile, upper-level energy over the Southeast will slowly move eastward out over the Western Atlantic by Wednesday. The energy will aid in producing showers and thunderstorms over the area through Tuesday afternoon before the approaching front brings more showers and thunderstorms. Additionally, an upper-level low over Northwestern Mexico will move slowly northward into parts of the Southwest/Eastern California by Wednesday. The energy will produce showers and thunderstorms over parts of the Southwest that will expand into parts of Eastern California by Tuesday afternoon into Wednesday. Elsewhere, a front moving onshore over the Pacific Northwest will move inland to parts of the Northern High Plains by Wednesday. The system will produce light rain over parts of the Pacific Northwest Coast before the moisture connection to the Pacific ends by Tuesday morning into afternoon. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php