336  
FXHW01 KWNH 240758  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
357 AM EDT MON JUL 24 2023  
 
VALID 00Z TUE JUL 25 2023 - 00Z TUE AUG 01 2023  
 
A REASONABLY STRONG SURFACE HIGH WILL MEANDER WELL NORTH OF HAWAII  
AROUND 40N LATITUDE THROUGH THE WEEK. THE INFLUENCE OF THIS HIGH  
WILL LEAD TO PERSISTENT GENERALLY BREEZY EASTERLY TRADES THROUGH  
THE NEXT WEEK, WITH PERHAPS MINOR VARIATIONS IN SPEED FROM DAY TO  
DAY. AFTER SOME ENHANCED MOISTURE EXITS THE STATE EARLY MONDAY, A  
DRIER TRADE WIND PATTERN LOOKS TO SET UP WITH A FEW SHOWERS IN  
FAVORED WINDWARD/MAUKA AREAS THROUGH MUCH OF THE WEEK, OTHER THAN  
PERHAPS A SLIGHT INCREASE IN MOISTURE AROUND TUESDAY-WEDNESDAY  
THAT COULD PROVIDE A LITTLE MORE SUPPORT FOR SHOWERS. BUT GENERAL  
RIDGING ALOFT SHOULD PROVIDE AN INVERSION ALOFT TO KEEP SHOWERS  
SHALLOW. BY LATE WEEK INTO THE WEEKEND, A TROUGH AXIS MAY SET UP  
OVER THE WESTERN ISLANDS, WHICH COULD LEAD TO INCREASED MOISTURE  
DRAWN NORTH. MODEL GUIDANCE DOES NOT REALLY SHOW THAT YET BUT THIS  
WILL CONTINUE TO BE MONITORED.  
 
TATE  
 

 
 
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