Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 439 AM EDT Fri Aug 23 2013 Valid 12Z Fri Aug 23 2013 - 12Z Sun Aug 25 2013 ...Cooler and drier conditions are expected across the Northeast...Ohio Valley...and northern Mid-Atlantic States... ...Showers and storms will remain commonplace over the Southeast and Central Gulf Coast states... ...Widespread showers and thunderstorms are expected from the Southwest to the Northern Rockies... A cold front will continue to push off the New England coast and drop through the Tennessee Valley and Mid-Atlantic states on Friday. Showers and thunderstorms are expected to develop along and ahead of the boundary as it sinks southeastward...and although much of the activity should remain rather isolated to scattered in nature...some organized areas of convection could develop along the Central Appalachians and near the Carolina coast. Behind the front and just in time fore the weekend...northwesterly flow should bring cooler and drier conditions to the Northeast...Ohio Valley...and northern Mid-Atlantic states. Showers and storms will remain commonplace across the Southeast and Central Gulf Coast states on Friday and Saturday...where copious amounts of moisture will stay parked in the region. Weak energy aloft should allow for some organized areas of moderate to even heavy rains to develop along coastal areas from the Florida Panhandle to Louisiana. The western portion of the front dropping through the Eastern U.S. will surge northeastward as a warm front into the Northern Plains the next few days. Enough moisture in place ahead of the boundary should allow for scattered convection to break out across much of the Dakotas on Friday...which should then advance into the Upper Midwest by Saturday. Out West...monsoonal moisture...combined with impulses of energy streaking northeastward aloft...should trigger widespread showers and thunderstorms from the Southwest into the Northern Rockies Friday and Saturday. Towards the end of the forecast period...moisture could really be on the rise across the Southwestern U.S. as Tropical Depression Nine-E in the Eastern Pacific inches towards the Baja California Peninsula. Please refer to the National Hurricane Center for the latest information on Tropical Depression Nine-E. Monarski/Gerhardt Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php