Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 323 PM EDT Tue Sep 23 2014 Valid 00Z Wed Sep 24 2014 - 00Z Fri Sep 26 2014 ...Heavy precipitation possible over parts of the Carolina Coast... ...Heavy precipitation possible over parts of the Northern California/Oregon Coast... ...Temperatures will be 10 to 20 degrees above average for parts of the Northern Rockies/Northern High Plains... Low pressure off of the Florida's East Coast will move northward to the Carolina Coast by Thursday. Showers and thunderstorms will develop along the Southeast Coast with moderate rain that will expand northward into the Southern Mid-Atlantic by Thursday. Light to moderate rain will develop over parts of Northern Virginia on Wednesday afternoon into Thursday morning. Showers and thunderstorms will continue over the Southeast Coast and Florida through Thursday. Upper-level energy over the Northern Plains will lift northeastward into the Upper Great Lakes by Thursday morning. Moisture moving northward from the Gulf of Mexico will intersect the energy and develop showers and thunderstorms over parts of the Southern/Central Plains that will move northward into parts of the Middle/Upper Mississippi Valley by Wednesday afternoon. Rain will develop over parts of the Middle Missouri Valley/Upper Mississippi Valley that will likewise move into parts of the Upper Great Lakes/Middle Missouri Valley by Wednesday evening before ending overnight Wednesday. Meanwhile, a front off the Pacific Northwest Coast will move inland over the Northwest/Northern California on Wednesday moving to the Northern High Plains to Central California by Thursday morning. The boundary will produce rain along the Pacific Northwest Coast to parts of Northern California with moderate rain at times through Thursday. Elsewhere, westerly flow off the Western Gulf of Mexico will aid in developing showers and thunderstorms along the Southern tip of Texas through Thursday, too. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php