HAWAII EXTENDED FORECAST DISCUSSION NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD 755 AM EDT SUN JUL 22 2012 VALID 00Z MON JUL 23 2012 - 00Z MON JUL 30 2012 THE GLOBAL NUMERICAL MODELS INDICATE WEAK STEERING FLOW ACROSS THE HAWAIIAN ISLANDS THROUGH MONDAY AS AN UPPER LOW FILLS TO THE NORTH. TRADES WILL RESUME TUESDAY THROUGH SATURDAY AS A SPRAWLING SURFACE HIGH BUILDS ACROSS THE NORTHEAST PACIFIC. A WEAK EASTERLY WAVE WILL CROSS HAWAII THURSDAY THROUGH SUNDAY...SLACKENING THE TRADES SOMEWHAT DURING THAT PERIOD. SOME MOISTURE POOLED NEAR THE NORTHERN END OF THE ISLAND CHAIN SHOULD FUEL SOME SHOWERS OVER THAT PORTION OF THE STATE DURING THE PASSAGE OF THE TROUGH. CISCO