Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 324 PM EDT Sat Oct 19 2019 Valid 00Z Sun Oct 20 2019 - 00Z Tue Oct 22 2019 ...POST-T.C. NESTOR is forecast to move northeastward across the Southeast and move out over the Western Atlantic... ...There is a slight risk of severe thunderstorms over parts of the Southeast associated with POST-T.C. NESTOR... NESTOR has become a Post-Tropical Cyclone and is forecast to travel northeastward across parts of the Southeast exiting back on the open waters of the Western Atlantic by Sunday morning when NESTOR leaves the the North Carolina Coast. The storm will produce showers and thunderstorm over parts of the Southeast and the Mid-Atlantic through Sunday night. With the Southeast in a drought, the rain associated with the system is not expected to produce any major flooding do to rain. Isolated Flash Flooding can not be ruled out. Meanwhile, a storm over the Northern Rockies will move eastward to the Upper Mississippi Valley/Upper Great Lakes by Monday. The system will produce higher elevation snow and lower elevation rain over the Northern Rockies through late Sunday night. As the storm moves onto the Plans, rain with embedded thunderstorm will develop over parts of the Northern Plains on Sunday afternoon into evening that will move eastward into the parts of the Upper Mississippi Valley/Upper Great Lakes by Monday morning and into parts of the Ohio Valley by Monday evening. A long the associated front overnight Sunday, showers and thunderstorms will develop over parts of the Middle Mississippi Valley into parts of the Southern Plains where heavy rain associated with the thunderstorms may produce scattered Flash Flooding over parts of the Southern Plains into parts of the Lower Mississippi Valley on Sunday into Monday morning. The showers and thunderstorm will move eastward into the Southern Ohio Valley/Tennessee Valley into parts of the Central Gulf Coast by Monday evening. Elsewhere, onshore moist flow off the Pacific will aid in producing rain and higher elevation snow over the Pacific Northwest into parts of the Northern Rockies from Saturday evening into Monday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php