405
FXHW01 KWNH 240643
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
243 AM EDT THU JUL 24 2025
VALID 00Z FRI 25 JUL 2025 - 00Z FRI 01 AUG 2025
THE MAIN SUBTROPICAL SURFACE HIGH OVER THE EASTERN PACIFIC WILL BE
POSITIONED WELL NORTH OF THE ISLANDS THROUGH THE UPCOMING WEEKEND,
AND THEN THE HIGH REDEVELOPS NORTHEAST OF THE STATE BY NEXT
TUESDAY NEAR 35N/140W. THE STATE WILL BE ON THE SOUTHERN TO
SOUTHWESTERN PERIPHERY OF THIS HIGH, AND THIS WILL KEEP A GENERAL
EASTERLY LOW LEVEL FLOW IN PLACE, WITH SOME ENE TO ESE COMPONENT
AT TIMES THROUGH THE PERIOD. THE ENSEMBLE MEANS ARE IN GOOD
SYNOPTIC SCALE AGREEMENT ON THE OVERALL PATTERN.
IN TERMS OF RAINFALL PROSPECTS, THE NORMAL TRADE WIND INDUCED
SHOWERS CAN BE EXPECTED THROUGH THE REMAINDER OF THE WEEK WITH NO
MAJOR RAINFALL EVENTS EXPECTED. HOWEVER, THERE MAY BE A SLIGHT
INCREASE IN SHOWERS ACROSS THE ISLANDS ON SUNDAY AS A WEAK
TROPICAL WAVE APPROACHES FROM THE EAST, AND ANOTHER SURGE OF
MOISTURE WILL LIKELY PASS SOUTH OF THE ISLANDS AROUND THE MIDDLE
OF NEXT WEEK.
HAMRICK
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