Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 347 PM EDT Mon Sep 29 2014 Valid 00Z Tue Sep 30 2014 - 00Z Thu Oct 02 2014 ...There is a slight risk of severe thunderstorms over parts of Central High Plains to the Southern Rockies... ...Heavy rain possible over parts of the Northern/Central High Plain... ...Heavy rain possible over parts of the Central Plains/Middle Mississippi Valley... A slow moving front over the Southeast/Florida and high moisture content air will aid in producing showers and thunderstorms over parts of the Southeast through Wednesday. Rain will also develop over parts of the Carolinas through Monday evening. In addition, a weak front over the Great Lakes will move southeastward to the Mid-Atlantic by Wednesday morning. The system will produce rain over parts of the Great Lakes and Northern New England that will move into the Mid-Atlantic/Southern New England by Wednesday. Meanwhile, a developing storm over the Central High Plains will lift northward into South-Central Canada by Wednesday morning. Moisture pooling along the associated front will aid in producing showers and thunderstorms from the Southern Rockies northward to the Central/Northern High Plains that will move eastward to parts of the Middle Mississippi Valley/Central Plains by Monday. Rain will develop over parts of the Northern High Plains that will move eastward to parts of the Upper Great Lakes by Wednesday. A fourth front over the Pacific Northwest/Northern California will lift northeastward into South-Central Canada by Wednesday. Rain will develop over parts of the Northwest that will move into parts of the Northern Rockies then into Canada overnight Tuesday. Upper-level energy over the West Coast of Canada will move southeastward to the Northern Rockies/Great Basin by Wednesday morning. The energy will develop rain over parts of the Northern Rockies/Great Basin Tuesday evening into Wednesday, with maybe an area of snow over parts of the Northern Rockies by Wednesday morning. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php