HAWAII EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 718 AM EDT SUN MAR 24 2013 VALID 00Z MON MAR 25 2013 - 00Z MON APR 01 2013 THE MODELS AND ENSEMBLES REASONABLY AGREE THAT A STALLED FRONT OVER THE ISLANDS WILL CONTINUE TO POOL DEEP MOISTURE AND BE A FOCUS FOR SOME HEAVY DOWNPOURS. STILL PREFER TO LEAN ON THE HIGHER SIDE OF MODEL QPF POTENTIAL LOCALLY WITH SLOW MOVING FEATURES AND AS PER A WELL DEFINED MOISTURE PLUME FEEDING NORTHWARD INTO THE STATE AS SHOWN ON LATEST BLENDED PRECIPITATBLE WATER LOOPS. THE MAIN PLUME AXIS IS NOW OVER THE CENTRAL ISLANDS WHERE PW VALUES ARE IN EXCESS OF 150% OF NORMAL. THE FRONTAL BOUNDARY SHOULD REMAIN A FOCUS FOR ENHANCED SHOWERS WHILE SLOWLY RETREATING OVER THE NEXT COUPLE OF DAYS IN RESPONSE TO NEW MID-UPPER LEVEL TROUGH DEVELOPMENT JUST WNW OF THE STATE. THE FEATURES THOUGH LINGER INTO MID-LATE WEEK. ISLAND TRADES MEANWHILE REKINDLE TO MORE SEASONAL LEVELS MON-THU AS MODEST HIGH PRESSURE BRIDGES TO THE NORTH OF THE ISLANDS...ONLY TO BE DISRUPTED AGAIN BY FRI INTO NEXT WEEKEND AS AN AMPLIFIED MID-UPPER LEVEL TROUGH APPROACHES FROM THE NW. IN THIS PATTERN...A PREFFERED GUIDANCE COMPOSITE INDICATES THAT A LEAD FRONT AND REINFORCED PCPN/MOISTURE FOCUS SPREADS OVER THE ISLANDS NEXT WEEKEND. SCHICHTEL