214
FXHW01 KWNH 290749
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
349 AM EDT MON JUN 29 2026
VALID 00Z TUE 30 JUN 2026 - 00Z TUE 07 JUL 2026
THE LATEST MODEL SUITE REMAINS CONSISTENT IN SHOWING SURFACE HIGH
PRESSURE REMAINING CENTERED TO THE NORTHEAST OF THE ISLANDS
THROUGH THE UPCOMING FORECAST PERIOD. THERE IS NOT EXPECTED TO BE ANY
SIGNIFICANT CHANGES TO THE TRADE WIND PATTERN ON THE SOUTH AND
SOUTHWEST SIDE OF THIS HIGH ACROSS THE ISLANDS, WITH MODERATE
TRADES EXPECTED THROUGH THE FORECAST PERIOD. BOTH THE GFS AND EC
SHOW PW VALUES INCREASING MON AND TUE AND REMAINING ANOMALOUS...2
TO 3+ STANDARD DEVIATIONS ABOVE THE MEAN...THROUGH THE REMAINDER
OF NEXT WEEK. THROUGH THE FORECAST PERIOD, CLIMATOLOGICAL TRADE
WIND PRECIPITATION DISTRIBUTION EXPECTED EACH DAY. WITH INCREASING
PW VALUES, PRECIP VALUES WILL LIKELY INCREASE IN THE FAVORED
WINDWARD LOCATIONS FROM PREVIOUS DAYS, WITH LOCALLY HEAVY 7 DAY
TOTALS IN THE FAVORED UPSLOPE REGIONS LIKELY.
ORAVEC
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