Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 432 AM EDT Thu Jun 22 2017 Valid 12Z Thu Jun 22 2017 - 12Z Sat Jun 24 2017 ...Tropical storm Cindy is forecast to move northeastward and slowly weaken to a tropical depression producing heavy rain and embedded severe weather... ...There is a slight risk of severe thunderstorms over parts of Middle Mississippi Valley into the Upper Great Lakes and over the Central/Southern High Plains... ...Heavy rain is possible from the Ohio Valley/Central Appalachians to Lower Mississippi Valley... ...Heavy rain possible over parts of the Upper Great Lakes into parts of the Upper Mississippi Valley... Tropical storm Cindy will move northward over parts of the Lower Mississippi Valley then head northeast ward to the Tennessee Valley by Friday evening. The system will produce showers and thunderstorms over parts of the Lower/Middle Mississippi Valley/Western Gulf Coast into parts of the Tennessee Valley through Friday morning. See the latest advisory from the National Hurricane Center for the most up to date track and intensity. Meanwhile, a front over the Upper Great Lakes into Central Rockies will slowly sweep eastward to the Lower Great Lakes, Ohio Valley, and the Southern Plains by Friday evening. Showers and thunderstorms will develop over parts of the Great Lakes westward into the Northern/Central Plains that will move to the Northeast to the Lower Mississippi Valley/Southern Plains by Friday evening. In addition, moist tropical air over the Southeast/Southern Mid-Atlantic will aid in producing showers and thunderstorms over the area through Friday evening into Saturday. Elsewhere, upper-level energy over the Great Basin will move eastward to the Southern High Plains by Friday evening. The energy will start to produce showers and thunderstorms on Thursday afternoon into evening over parts of the Central Rockies and Central/Southern High Plains that will move into parts of the Southern Plains/Southern Rockies by Friday evening. Additionally, another area of upper-level energy over South-Central Canada will move southeastward to the Central Plains/Middle Mississippi Valley by Friday evening into Saturday. The energy will produce rain showers over parts of the Upper Mississippi Valley/Upper Great Lakes overnight Thursday into Friday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php