HAWAII EXTENDED FORECAST DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 728 AM EDT FRI NOV 04 2011 VALID 00Z SAT NOV 05 2011 - 00Z SAT NOV 12 2011 THE MODELS AND ENSEMBLES STILL AGREE OVERALL IN SHOWING A WET WEEK FOR HAWAII DUE TO PROXIMITY OF A DESTABILIZING MID-UPPER LEVEL LOW....WHICH COULD DEGENERATE INTO A SHEAR AXIS S-SE OF THE ISLANDS THE LATTER HALF OF NEXT WEEK. WE PREFER A COMPOSITE MODEL MASS FIELD SOLUTION WHOSE SLOW MOVING COLD UPPER LOW SHOULD PROVIDE A PROLONGED THREAT OF LOCALLY HEAVY RAINS THRU TUE. HEAVY QPF SEEMS ESPECIALLY POSSIBLE FOR THE BIG ISLAND...AND TEMPS ARE COOL ENOUGH ALOFT THERE FOR MORE WINTER WEATHER ON THE HIGHEST SUMMITS. SOME DECREASE IN SHOWERS IS LIKELY OVER THE NWRN ISLANDS NEXT WED-FRI. MEANWHILE...HIGH PRESSURE ESTABLISHING ITSELF N OF THE STATE THU/FRI IN THE WAKE OF A POTENT N PACIFIC SYSTEM SHOULD RE-ENFORCE TRADE FLOW ACROSS THE ISLANDS. MODERATE TO BRISK TRADES WILL ESPECIALLY ENHANCE PRECIPITATION OVER FAVORED WINDWARD TERRAIN THIS WEEK. DUE TO THE OVERALL WET PATTERN...PRECIP WILL BE ABOVE NORMAL EVEN LEEWARD. FLOOD