HAWAII EXTENDED FORECAST DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 647 AM EDT MON AUG 15 2011 VALID 00Z TUE AUG 16 2011 - 00Z TUE AUG 23 2011 MID LEVEL RIDGING BRIDGED E-W OVER THE ISLAND REGION WILL SHIFT ITS AXIS NWD DURING THE PERIOD TO ALONG 20W LEAVING THE REGION UNDER THE SRN EDGE OF THE MID LEVEL RIDGE. MODELS AND ENSEMBLES AGREE THAT HIGH PRESSURE BRIDGED TO THE NORTH AND NORTHEAST OF THE STATE SHOULD SUPPORT MODERATE TO LOCALLY FRESH ISLAND TRADES OVER THE COMING WEEK IN A PATTERN WITH LIMITED WINDWARD SHOWERS AND MOISTURE. WESTWARD APPROACH OF TROPICAL DISTURBANCE EP98 WHICH IS FORECAST TO DEVELOP INTO A TROPICAL STORM BY MUCH OF THE GUIDANCE MAY WELL AFFECT ERN PORTIONS OF THE ISLANDS LATE WEEKEND OR EARLY NEXT WEEK. EXPECT INCREASING CLOUDINESS AND HIGHER PW VALUES SPREADING INTO THE EASTERN PORTION OF THE ISLAND SUNDAY AND MONDAY. SEE NHC AND CPHC DISCUSSIONS. ROSENSTEIN