Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 512 PM EDT Wed Jul 22 2020 Valid 00Z Thu Jul 23 2020 - 00Z Sat Jul 25 2020 ...There is a slight risk of severe thunderstorms and slight risk of excessive rainfall the Mid-Atlantic and Central Appalachians... ...There is critical risk of wildfire over parts of the Great Basin... Upper-level energy over the Mid-Atlantic and moisture rich air will aid in producing showers and thunderstorms will develop over the region. The SPC and WPC has issued a slight risk of severe thunderstorms and slight risk of excessive rainfall, respectfully, over the Mid-Atlantic area. The hazards associated with the severe thunderstorms are frequent lightning, damaging thunderstorm wind, hail and maybe a tornadoes through Thursday morning. The heavy rain associated with the thunderstorms will produce mainly localized scattered flash flooding over parts of the area. In addition the showers and thunderstorms continue over the Mid-Atlantic moving into the Carolinas by Friday and extending westward to the Ohio and Tennessee Valleys. A disturbance over the Gulf Of Mexico will aid in triggering shows and thunderstorms over the Gulf coast States through Friday evening. Across the western U.S., abnormally hot conditions continue over the Northern Rockies and High Plains. Meanwhile, a cold front sweeping through the Northwest delivers cooler weather to the Pacific Northwest lasting into Thursday. In addition, the SPC's fire weather outlook includes a Critical Risk over parts of the Great Basin through Friday. The Southwest will trend slightly cooler as an upper-level trough swings through California and into the Great Basin on Thursday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php