008  
FXHW01 KWNH 010744  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
244 AM EST MON JAN 01 2024  
 
VALID 00Z TUE JAN 02 2024 - 00Z TUE JAN 09 2024  
 
MODELS AND ENSEMBLES CONTINUE TO ADVERTISE A RELATIVELY BENIGN  
WEATHER PATTERN ACROSS HAWAII THROUGH AT LEAST NEXT WEEKEND.  
MODERATE TO BREEZY TRADE WINDS WILL BUILD ACROSS HAWAII THROUGH  
THE WEEK THOUGH WITH PERIODIC DISRUPTION WITH PASSING COLD FRONTS  
WITH GENERALLY LIGHT PRECIPITATION TENDING TO FAVOR THE TYPICAL  
WINDWARD SLOPES. AROUND FRIDAY, THE GUIDANCE CONTINUES TO SHOW  
SUPPORT FOR AN UPPER TROUGH/CLOSED LOW WEST OF HAWAII, WHICH COULD  
BRING IN SOME INCREASED MOISTURE NEXT WEEKEND AS IT SLIDES SLOWLY  
EASTWARD AND WEAKENS AS IT BECOMES CUT OFF FROM THE MAIN FLOW.  
ANOTHER AMPLIFIED TROUGH MAY APPROACH FROM THE WEST EARLY NEXT  
WEEK BUT THE GUIDANCE SHOWS PLENTY OF UNCERTAINTY REGARDING HEAVY  
RAINFALL POTENTIAL ACROSS THE ISLANDS. THE LATEST ECMWF IS THE  
QUICKEST TO BRING WIDESPREAD RAINFALL TO THE ISLANDS AROUND NEXT  
MONDAY, WITH OTHER GUIDANCE SUGGESTING IT HOLDS OFF UNTIL TUESDAY  
OR BEYOND. REGARDLESS, THE POTENTIAL IS THERE FOR AN INCREASING  
WET PATTERN BEGINNING EARLY NEXT WEEK.  
 
SANTORELLI  
 

 
 
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