HAWAII EXTENDED FORECAST DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 619 AM EST THU DEC 15 2011 VALID 00Z FRI DEC 16 2011 - 00Z FRI DEC 23 2011 MODELS AND ENSEMBLES STILL REASONABLY AGREE THAT HIGH PRESSURE SETTLED TO THE NORTHEAST OF THE STATE SHOULD SUPPORT LIGHT TO MODERATE ISLAND TRADES INTO FRIDAY ON THE ADVENT OF WEAKENING/SLOWING COLD FRONTAL APPROACH FROM THE NORTHWEST. MID-UPPER LEVEL TROF PASSAGE TO THE NORTH OF THE STATE SHOULD NUDGE THIS FRONT TOWARD THE ISLANDS AND INDUCE AN INFLUX OF DEEPER MOISTURE INTO THE STATE IN ESERLY FLOW TO FUEL SOME ENHANCED SHOWERS. HIGH PRESSURE CENTERS REBUILDING TO THE NORTH THEN NORTHEAST OF THE ISLANDS FROM FRI INTO MUCH OF NEXT WEEK IN THE WAKE OF THIS WEAKENING FRONT SHOULD RAISE MEAN TRADES TO MODERATE TO LOCALLY BRISK LEVELS AND MAY ALLOW FOR ADDITIONAL MOISTURE INFLUX AND SHOWER POTENTIAL...ESPECIALLY FOR THE BIG ISLAND...BY MID-LATE NEXT WEEK. SCHICHTEL