665  
FXHW01 KWNH 020732  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
231 AM EST THU MAR 2 2023  
 
VALID 00Z FRI MAR 3 2023 - 00Z FRI MAR 10 2023  
 
A BIG SUBTROPICAL HIGH, BOTH AT THE SURFACE AND ALOFT, WILL REMAIN  
NEAR 35-40 DEGREES NORTH THROUGH THE REMAINDER OF THE WEEK. THE  
STRONG PRESSURE GRADIENT IN PLACE WILL MAINTAIN WINDY CONDITIONS  
WITH FLOW FROM GENERALLY THE EAST-NORTHEAST THROUGH FRIDAY NIGHT,  
WITH WINDS GUSTING 30-40 MPH AT TIMES. THE TRADES ARE FORECAST TO  
ABATE GOING INTO THE WEEKEND AS THE INFLUENCE OF THE HIGH LIFTS  
NORTH AND AN INVERTED TROUGH AND SURFACE LOW FORMS EAST OF THE  
STATE, AND THIS LOW WILL LIKELY STAY EAST OF THE BIG ISLAND. EVEN  
LIGHTER WINDS ARE POSSIBLE GOING INTO MONDAY WITH A COL DEVELOPING  
OVER THE REGION.  
 
THE POTENTIAL FOR MODERATE TO HEAVY SHOWERS ACROSS THE WINDWARD  
TERRAIN, PARTICULARLY ACROSS THE BIG ISLAND, WILL EXIST THROUGH  
SATURDAY WITH SEVERAL INCHES OF RAINFALL POSSIBLE. SOME  
IMPROVEMENT IS LIKELY GOING INTO SUNDAY AND NEXT MONDAY. A COLD  
FRONT MAY APPROACH THE STATE FROM THE NORTHWEST BY THE MIDDLE OF  
NEXT WEEK AND BRING A ROUND OF ADDITIONAL SHOWERS AND STORMS.  
 
HAMRICK  
 

 
 
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