444
FXHW01 KWNH 280731
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
331 AM EDT SAT JUN 28 2025
VALID 00Z SUN 29 JUN 2025 - 00Z SUN 06 JUL 2025
MODERATE TO LOCALLY BREEZY TRADES IN DRIER FLOW PREVAIL THIS
WEEKEND AS MODERATE HIGH PRESSURE BRIDGES/SETTLES TO THE NORTH OF
THE STATE. SHOWERS SHOULD BE LIMITED FOR WINDWARD AND MAUKA AREAS
AS AN UPPER RIDGE DRIFTING OVER THE EASTERN ISLANDS STRUGGLES TO
BUILD WESTWARD. GUIDANCE GENERALLY AGREES THAT AN EARLY NEXT WEEK
UPPER TROUGH AXIS POSITION COULD DEVELOP JUST TO THE NORTHWEST OF
THE ISLANDS, ACTING TO VEER ISLAND TRADES AND ALLOW SOME INCREASE
IN MOISTURE THAT COULD INCREASE SHOWER COVERAGE, BUT THE DEEPEST
MOISUTRE PLUME SHOULD HOLD OFFSHORE. AT THE SURFACE, THE PRESSURE
GRADIENT IS FORECAST TO WEAKEN, LESSENING ISLAND FLOW FOR MUCH OF
NEXT WEEK. TRADES MAY POTENTIALLY RETURN HEADING INTO NEXT
WEEKEND AS HIGH PRESSURE REBUILDS TO THE NORTH OF THE STATE.
SCHICHTEL
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