Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 355 AM EDT Fri Jul 15 2016 Valid 12Z Fri Jul 15 2016 - 12Z Sun Jul 17 2016 ...There is a slight risk of severe thunderstorms over parts of the Central/Southern Plains... ...Heavy rain possible over parts of the Central Plains... A front extending from the Lower Great Lakes to the Middle Mississippi Valley will move to the Northeast Coast and become quasi-stationary by Friday evening. Upper-level energy associated with the boundary will aid in producing rain over parts of the Great Lakes on Friday morning through Saturday morning. Showers and thunderstorms will develop over parts of the Northern Appalachian into New England by Friday evening into Saturday evening. In addition, tropical moisture over the Western Gulf Coast eastward to the Southeast and extending into the Mid-Atlantic along with upper-level impulses will aid in producing showers and thunderstorms over the region through Saturday evening. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php