Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 241 AM EST Thu Mar 05 2015 Valid 12Z Thu Mar 05 2015 - 12Z Sat Mar 07 2015 ...Heavy snow from the from parts of the Southeastern Ohio Valley to the Mid-Atlantic... ...Rain/freezing rain from parts of the Lower Mississippi Valley to Southern Mid-Atlantic... ...Temperatures be 10 to 30 degrees below average from the Great Lakes/Mid-Atlantic to the Lower Mississippi Valley/Southern Plains... A front extending from the Mid-Atlantic to the Central Gulf Coast will move southeastward to the Southern tip of Florida by Friday evening. Cold high pressure over the Upper Midwest to Southern High Plains will move eastward to the Mid-Atlantic to the Lower Mississippi Valley. A band of moderate snow will develop along the northwest edge of the precipitation shield from parts of the Southern Ohio Valley to the Mid-Atlantic/Southern New England that will move southeastward to coastal Virginia by Thursday evening. In addition, a ribbon of rain/freezing rain and sleet will develop over parts of the Lower Mississippi Valley to the Tennessee Valley will likewise move southeastward to parts of the Southern Mid-Atlantic Coast by Thursday evening. Light to moderate rain will develop over parts of the Western Gulf Coast/Central Gulf Coast that will follow suit and move to the Southeast Coast by Thursday afternoon. Light rain will linger over the Southeast Coast and Florida through Friday. Meanwhile, high pressure will be over the Western U. S. through Friday. A front over Central Canada will move southward to near the U. S./Canadian Border by Friday evening producing light snow over parts of the Upper Mississippi Valley/Northern Plains and parts of the Upper Great Lakes. Ziegefnelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php