Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 357 AM EDT Thu Jun 23 2016 Valid 12Z Thu Jun 23 2016 - 12Z Sat Jun 25 2016 ...Slight risk of severe thunderstorms from the Ohio Valley to the Mid-Atlantic... ...Slight risk of severe thunderstorms over parts of the Central High Plains... ...Heavy rain possible from parts of the Central Appalachians... A quasi-stationary front extending from the Mid-Atlantic roughly westward to the Central High Plains will have waves of low pressure travel along the boundary through Saturday. Showers and thunderstorms develop near the front from the Ohio Valley eastward to the Mid-Atlantic through Thursday. On Thursday afternoon into evening, showers and thunderstorms will develop over parts of the Central Plains eastward to the Western Ohio Valley and continue into the Mid-Atlantic through Friday evening. In addition, upper-level energy over the Upper Great Lakes will trigger showers and thunderstorms over parts of the Great Lakes that will settle into the Ohio Valley by early Friday morning. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php