EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 202 AM EST TUE DEC 30 2014 VALID 12Z FRI JAN 02 2015 - 12Z TUE JAN 06 2015 USED AN EVEN BLEND OF THE 12Z/29 ECMWF AND ECENS MEAN FOR THE FRONTS AND PRESSURES FOR DAYS 3 THROUGH 7, AND A COMBINATION OF THE SAME ECENS MEAN AND 12Z/29 NAEFS MEAN FOR THE TEMPERATURES AND POPS. THE EUROPEAN CENTRE GUIDANCE HAS BEEN STABLE OVER THE PAST DAY OR SO, AND SITS IN THE MIDDLE OF THE GLOBAL NUMERICAL MODELS AS A WHOLE ACROSS THE UNITED STATES AT THE MEDIUM RANGE. A PRONOUNCED SPLIT WILL CONTINUE OVER CENTRAL NORTH AMERICA FOR THE NEXT WEEK, WITH THE POLEWARD EDGES OF THE SYSTEMS TRAVERSING THE SOUTHERN STREAM MARKED BY WINTRY PRECIPITATION. AT THIS POINT, THERE IS NO MEANINGFUL SIGNAL FOR A MAJOR WINTER STORM, BUT THE SNOW, SLEET, AND FREEZING RAIN THAT IS LIKELY TO OCCUR IS OF COURSE OF NOTE. CISCO