EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1201 AM EST SAT NOV 28 2015 VALID 12Z TUE DEC 01 2015 - 12Z SAT DEC 05 2015 ...OVERVIEW AND GUIDANCE EVALUATION/PREFERENCES... SPLIT FLOW PATTERN TO CONTINUE INTO DECEMBER WITH NO ARCTIC AIR INTRUSIONS ON THE HORIZON. UPPER LOW WILL EXIT THROUGH THE NORTHEAST MIDWEEK WITH ADDITIONAL PACIFIC TROUGHING PUSHING INTO THE WEST COAST THURSDAY INTO FRIDAY. MODELS AND ENSEMBLES HAVE BEEN MOSTLY STABLE WITH THIS IDEA ON THE LARGE SCALE WITH EXPECTED DETAIL DIFFERENCES. THE GFS REMAINS QUICKER THAN THE ECMWF/UKMET/CANADIAN TO PULL THE UPPER LOW EASTWARD THROUGH THE GREAT LAKES REGION WEDNESDAY AND NEW ENGLAND THURSDAY. THE ENSEMBLE MEANS LIE MOSTLY IN BETWEEN THE GFS AND ECMWF. PREFER A COMPROMISE BETWEEN THE THE SLOWER ECMWF-LED DETERMINISTIC MODELS AND THE ENSEMBLE MEANS GIVEN THE STARK SLOWING TREND SEEN IN THE PAST SEVERAL GFS RUNS. LINGERING TROUGHING ON ITS SOUTHERN END IS FORECAST TO DRIFT THROUGH THE SOUTHEAST THU-SAT. IN THE WEST... TROUGHING FROM THE E PAC SHOULD PUSH INTO CA THURSDAY INTO FRIDAY WITH THE POTENTIAL FOR ANOTHER FOUR CORNERS UPPER LOW TO GET LEFT BEHIND AS THE NORTHERN STREAM PORTION MOVES THROUGH SOUTHERN CANADA. ...SENSIBLE WEATHER HIGHLIGHTS... SYSTEM IN THE EAST WILL BRING MOSTLY RAIN TO THE EAST COAST BUT WITH SNOW OR A WINTRY MIX ON THE NORTHERN AND WESTERN SIDE OF THE SURFACE LOW -- MN NORTHEASTWARD. TEMPERATURES WILL BE MILD AHEAD OF THE FRONT ESPECIALLY AT NIGHT WHERE RECORD HIGH MINIMA ARE POSSIBLE IN THE NORTHEAST (WEDNESDAY) AS WELL AS FLORIDA (WED-FRI). FRONT SHOULD PUSH OFF THE COAST BY THURSDAY AND EVENTUALLY FLORIDA LATE FRI INTO SAT THROUGH A SURFACE WAVE MAY DEVELOP ALONG THE FRONT AND SLOW THE PRECIP EXODUS FROM THE SOUTHEAST. MORE SIGNIFICANT AREA OF PRECIPITATION WILL BE ASSOCIATED WITH THE WESTERN SYSTEM THU-SAT AS IT MOVES INLAND THOUGH IT MAY LOSE A LOT OF ITS PUNCH EAST OF THE CASCADES AND SIERRAS. FRACASSO