HAWAII EXTENDED FORECAST DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 707 AM EDT WED SEP 07 2011 VALID 00Z THU SEP 08 2011 - 00Z THU SEP 15 2011 THE NORTH PACIFIC PATTERN CONTINUES TO SHOW A PATTERN OF A HIGHLY AMPLIFIED MID LATITUDE TROF ALONG 160W THRU SUN....THEN THIS TROF SHOULD FILL WITH RIDGING IN ITS WAKE OVER AND N OF THE ISLANDS. AS THE 500MB TROF ALONG 160W FILLS...THE FLOW ACROSS THE PACIFIC WILL BECOME MORE ZONAL WITH A DECENT SUBTROPICAL RIDGE AXIS ALONG/JUST S OF 30N BY THE FIRST PART OF NEXT WEEK. CONSENSUS OF OPERATIONAL MODELS/ENSEMBLES INDICATES A WEAK INVERTED UPPER TROF PASSING UNDER THE ISLANDS EARLY NEXT WEEK. AT THIS TIME IT APPEARS TOO WEAK TO HAVE MUCH EFFECT ON WEATHER. WEAK TRADE FLOW THIS THRU THE WEEKEND WILL SLOWLY PICK UP NEXT WEEK AS RIDGING SURFACE/ALOFT DEVELOPS N OF THE ISLANDS. ONLY OCNL LIGHT WINDWARD SHOWERS THROUGH THE PERIOD... DUE TO THE WEAK TRADES THE FIRST PART OF THE PERIOD AND A STRENGTHENING INVERSION THE LATTER HALF. FLOOD