HAWAII EXTENDED FORECAST DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD 719 AM EST WED FEB 13 2013 VALID 00Z THU FEB 14 2013 - 00Z THU FEB 21 2013 AN UPPER LOW ENE OF HAWAII WILL BE SLOW TO MIGRATE OVER THE NEXT WEEK...WITH MOST GUIDANCE THOUGH SHOWING A GENERAL MEAN UPPER TROUGH BACK OVER THE STATE. A COMPOSITE SCENARIO BUILDS HIGH PRESSURE NORTH AND NORTHEAST OF THE STATE THAT LEADS TO BRISK ISLAND TRADES IN A PATTERN FAVORABLE FOR WINDWARD SHOWERS. SCHICHTEL