HAWAII EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 846 AM EDT MON APR 01 2013 VALID 00Z TUE APR 02 2013 - 00Z TUE APR 09 2013 THE GLOBAL NUMERICAL MODELS ARE INDICATING AN ABRUPT ABOUT-FACE FOR THE HAWAI'IN ISLANDS THIS PERIOD, WITH THE POLAR JET RETREATING TO THE NORTH, AND THE TRADE WINDS WASHING OVER THE REGION BY LATE THURSDAY. UNTIL THEN, THE COBWEBS OF THE OLD REGIME WILL GRADUALLY CLEAR, WITH THE CHANCE OF SHOWERS DECREASING MARKEDLY TONIGHT THROUGH TUESDAY. DRY CONDITIONS ARE EXPECTED THEREAFTER UNDER THE SUBSIDENCE OF A STRONG MID-LEVEL RIDGE. CISCO