532
FXHW01 KWNH 010726
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
326 AM EDT FRI SEP 01 2023
VALID 00Z SAT SEP 02 2023 - 00Z SAT SEP 09 2023
MODELS AND ENSEMBLES OVERALL AGREE THAT SURFACE HIGH PRESSURE
BRIDGING TO THE NORTH AND NORTHEAST OF THE STATE SHOULD MAINTAIN
BREEZIER THAN NORMAL ISLAND WINDS INTO THE WEEKEND. MEANWHILE
RIDGING ALOFT AND BELOW NORMAL DEWPOINTS/HUMIDITY LEVELS WILL
COMBINE WITH THE BREEZY CONDITIONS TO POTENTIALLY OFFER SOME
LINGERING FIRE DANGER RISKS.
BY EARLY NEXT WEEK THOUGH, LOWERING HEIGHTS ALOFT APPEAR LIKELY,
PROVIDING FOR SOME POSSIBLE INSTABILITY UNDER AN EMERGING UPPER
TROUGH. A WEAKENING SURFACE PRESSURE GRADIENT SHOULD LEAD TO
DECREASING TRADE WINDS AND PERHAPS MORE OF A LAND/SEA BREEZE
PATTERN. INCREASING SHOWERS ARE POSSIBLE ESPECIALLY WHEN AND WHERE
MOISTURE LEVELS INCREASE. THERE IS A CHANCE OF A BRIEF INCURSION
OF MOISTURE PARTICULARLY FOR THE NORTHWESTERN ISLANDS AROUND
MONDAY, BUT CHANCES OF A GREATER MOISTURE SURGE FROM THE ITCZ INTO
AT LEAST THE BIG ISLAND HEADING THROUGH MIDWEEK TO MONITOR.
SCHICHTEL
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