744
FXHW01 KWNH 250719
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
319 AM EDT SAT OCT 25 2025
VALID 00Z SUN 26 OCT 2025 - 00Z SUN 02 NOV 2025
THE PATTERN OVER HAWAII FOR THE NEXT WEEK LOOKS TO HOLD
STATIONARY AS AN AREA OF WEAKNESS/SHORTWAVE GETS CAUGHT BETWEEN
STRONG HIGH PRESSURE TO THE EAST AND WEST OF HAWAII. THIS WILL
HELP BRING DEEPER ITCZ MOISTURE NORTHWARD WITH SOME HEAVY RAINFALL
POTENTIAL FOR HAWAII THIS WEEKEND AND INTO NEXT WEEK. MODERATE TO
GUSTY EASTERLY WINDS THIS WEEKEND WILL WEAKEN NEXT WEEK
UNDERNEATH THIS TROUGH, WITH HIGH PRESSURE ATTEMPTING TO BUILD
BACK IN OVER/NORTH OF THE ISLANDS BY LATER NEXT WEEK. THE GUIDANCE
SHOWS GOOD AGREEMENT ON THIS OVERALL PATTERN, BUT STILL WITH SOME
UNCERTAINTY IN THE DETAILS WHICH AFFECT QPF DISTRIBUTION AND
AMOUNTS ACROSS THE ISLAND CHAIN.
SANTORELLI
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