710
FXHW01 KWNH 090513
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
113 AM EDT THU JUL 9 2026
VALID 00Z FRI 10 JUL 2026 - 00Z FRI 17 JUL 2026
SURFACE HIGH PRESSURE NORTH OF THE ISLANDS WILL BE THE DOMINANT
FEATURE FOR THIS PERIOD AND WILL FAVOR MODERATE TRADEWINDS AND
DAILY UPSLOPE/MAUKA SHOWERS. THERE IS A TROPICAL WEST MAKING ITS
WAY WESTWARD AND IS EXPECTED TO USHER IN A PLUME OF INCREASED
MOISTURE AND STRONGER TRADEWINDS BY THE WEEKEND/EARLY NEXT WEEK.
DRIER AIR IS EXPECTED TO RETURN BEHIND THE TROPICAL FEATURE. GUIDANCE
CONTINUES TO SIGNAL FOR A GRADUALLY WEAKENING PRESSURE GRADIENT
AND LIGHTER TRADEWINDS.
CAMPBELL
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