Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 310 AM EST Fri Nov 08 2013 Valid 12Z Fri Nov 08 2013 - 12Z Sun Nov 10 2013 ...Temperatures will be 10 to 15 degrees above average for the Central High Plains... ...Snow and snow showers anticipated across the Great Lakes... A front extending from the Northern High Plains to the Great Basin will move eastward to the Great Lakes while extending southward to the Middle Mississippi Valley. The system will produce light snow over parts of the Northern Plains into the Upper Great Lakes by Saturday. Rain will also develop over parts of the Upper Great Lakes on Saturday. Onshore flow will produce scattered snow over parts of the Northern Rockies and the higher elevations of the Cascades on Friday. A new front will come onshore over the Pacific Northwest on Saturday moving to the Northern High Plains by Saturday evening. The storm will produce coastal rain and higher elevations snow over the Northwest and snow in parts of the Northern Rockies on Saturday. Meanwhile, counter-clockwise upper-level flow will aid in producing lake effect snow downwind from the Great Lakes on Friday until the Northern Rockies low nears the Great Lakes on Friday night. Easterly flow off the Atlantic will aid in producing showers and thunderstorms over parts of the southeastern portion of Florida Friday afternoon into Saturday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php