413  
FXHW01 KWNH 290705  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
304 AM EDT SAT JUN 29 2024  
 
VALID 00Z SUN JUN 30 2024 - 00Z SUN JUL 7 2024  
 
AN UPPER LOW WILL PASS JUST NORTH OF HAWAII THROUGH THIS WEEKEND,  
AND THEN GRADUALLY LIFT TO THE NORTH AND WEAKEN GOING INTO EARLY  
NEXT WEEK, WITH GOOD MODEL AGREEMENT ON THIS. THIS WILL BE  
ACCOMPANIED BY AN INVERTED SURFACE TROUGH CROSSING THE STATE.  
UPPER LEVEL RIDGING THEN BUILDS OVER THE STATE GOING INTO NEXT  
WEEK, WITH THE MAIN SURFACE HIGH CENTERED WELL NORTH OF THE STATE  
NEAR 40 DEGREES NORTH.  
 
THERE WILL LIKELY BE SOME SHOWER ENHANCEMENT ACROSS THE LARGER  
ISLANDS GOING THROUGH THE WEEKEND, FOLLOWED BY THE MORE TYPICAL  
TRADE WIND AND TERRAIN FOCUSED SHOWER ACTIVITY. SOME DRIER AIR  
ALOFT COULD REACH THE STATE BY LATE NEXT WEEK, AND THIS COULD  
REDUCE THE COVERAGE OF SHOWERS. THE TRADES SHOULD GENERALLY BE OUT  
OF THE EAST OR ENE MOST DAYS, AND AT SPEEDS OF 10-20 MPH WITH  
HIGHER GUSTS.  
 
HAMRICK  
 

 
 
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