HAWAII EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 806 AM EDT THU JUN 27 2013 VALID 00Z FRI JUN 28 2013 - 00Z FRI JUL 05 2013 A WEAK UPPER LOW CURRENTLY TO THE SOUTH OF HAWAII WILL DRIFT NORTHWESTWARD TOWARD/OVER KAUAI ON SATURDAY... WITH LITTLE FANFARE OTHER THAN TO DISRUPT THE TRADES A BIT. LOWER TROPOSPHERIC MOISTURE ADVECTING FROM THE EAST IS COMPARATIVELY LOWER THAN WHAT IS CURRENTLY PRESENT... SO A SIGNIFICANT INCREASE IN PRECIPITATION IS NOT LIKELY. BY SUNDAY THE REMNANTS OF TROPICAL STORM COSME SHOULD NEAR 140W BUT AN AMPLIFYING SHORTWAVE ROUNDING THE UPPER LOW SOUTH OF THE GULF OF ALASKA SHOULD PICK UP ITS REMNANTS AND MOISTURE. UPPER RIDGING IS FORECAST TO BUILD JUST NORTHEAST OF THE STATE BY MIDWEK NEXT WEEK... WITH SFC HIGH PRESSURE MEANDERING ALONG 40N. THE ECMWF IS MOST ROBUST WITH THIS RIDGING BY THU/D7 WHILE THE 00Z-06Z GFS ARE A BIT WEAKER. THE ENSEMBLE MEANS LIE SQUARELY IN BETWEEN. FRACASSO