Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 401 PM EDT Mon Sep 01 2014 Valid 00Z Tue Sep 02 2014 - 00Z Thu Sep 04 2014 September is off to a thundery start across much of the central and eastern United States, with a series of cold fronts triggering widespread shower activity. Late-season heat is anticipated over a goodish chunk of the nation from the southern Great Plains to the Mid Atlantic. Cool weather will be confined to the Pacific Northwest and the northern Rocky Mountains. Dry conditions will prevail over the Southwest. A tropical system tracking into Mexico from the Bay of Campeche will enhance rainfall across extreme southern Texas. Cisco Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php