Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 347 AM EDT Sun Oct 12 2014 Valid 12Z Sun Oct 12 2014 - 12Z Tue Oct 14 2014 ...There is a slight risk of severe thunderstorms over the Southern Plains... ...Heavy rain possible over parts of Tennessee Valley to the Central Gulf Coast... ...Heavy rain possible over parts Central/Southern Plains... A weakening front extending from the Carolinas to the Lower Mississippi Valley will dissipate on Sunday, as the upper-level energy moves into Southeastern Canada by Monday. Moisture pooling along the boundary will aid in producing showers and thunderstorms over parts of the Central Gulf Coast to the Tennessee Valley and eastward across the Carolinas on Sunday. The area of showers and thunderstorms will lift northward into the Ohio Valley on Sunday night into Monday before coming absorbed into the next system by Monday evening. Meanwhile, another front extending from the Northern Rockies to the Great Basin will move eastward to the Upper Great Lakes/Middle Mississippi Valley and southward to the Western Gulf Coast by Monday evening. Light snow will develop over the higher elevations of the Northern/Central Rockies on Sunday. Rain will develop over the Northern High Plains/Northern Plains will move to the Upper/Middle Mississippi Valley by Monday. Moisture from the Gulf of Mexico will intersect the boundary producing light to moderate rain over parts of the Upper Great Lakes by Monday evening. Showers and thunderstorms will develop along and ahead of the front over the Central/Southern Plains on Sunday evening. A strong flow of moisture off the Gulf of Mexico will produce showers and thunderstorms with heavy rain over the Southern/Central Plains will move into the Middle Mississippi Valley/Tennessee Valley into the Central Gulf Coast by Monday evening. Elsewhere, a front approaching the Pacific Northwest Coast will produce moderate to heavy rain over the Coast on Monday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php