850  
FXHW01 KWNH 190625  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
225 AM EDT TUE SEP 19 2023  
 
VALID 00Z WED SEP 20 2023 - 00Z WED SEP 27 2023  
 
STRONG HIGH PRESSURE TO THE NORTH OF HAWAII THIS WEEK SHOULD KEEP  
A LOCALLY BREEZY TRADE WIND PATTERN IN PLACE, WITH SOME  
VARIABILITY IN SPEEDS. TRADES MAY EASE SOME NEXT WEEKEND AS THE  
UPPER RIDGE WEAKENS AND BUILDS BACK IN TO THE NORTHWEST OF THE  
STATE AND A COLD FRONT SETTLES JUST TO THE NORTH. SHOWERS THROUGH  
THE WEEK WILL TEND TO FOCUS OVER THE FAVORABLE WINDWARD/MOUNTAIN  
AREAS BUT COULD EXTEND OVER SOME LEEWARD LOCATIONS DEPENDING ON  
WIND SPEEDS AND POCKETS OF HIGHER MOISTURE MOVING THROUGH THE  
FLOW.  
 
SANTORELLI  
 

 
 
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