699  
FXHW01 KWNH 300716  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
215 AM EST FRI DEC 30 2022  
 
VALID 00Z SAT DEC 31 2022 - 00Z SAT JAN 07 2023  
 
MODEL AND ENSEMBLE SOLUTIONS SEEM REASONABLY WELL CLUSTERED FOR  
MUCH OF THE NEXT WEEK, BOLSTERING FORECAST CONFIDENCE IN A  
PREFERRED GUIDANCE COMPOSITE TO MITIGATE LINGERING SMALL SCALE  
DIFFERENCES. A WEST-EAST ORIENTED RIDGE ALOFT CONTINUES TO PROMOTE  
MILD AND RELATIVELY DRY CONDITIONS FOR HAWAII, WHICH SHOULD LAST  
INTO EARLY NEXT WEEK. A FRONT IS SET TO STALL TO THE NORTH OF THE  
STATE DURING THIS PERIOD THAT SHOULD ALLOW WINDS TO TURN A BIT  
SOUTHEASTERLY IN RESPONSE, BUT BE GENERALLY ON THE WEAK SIDE SO  
THAT A LAND/SEA BREEZE PATTERN DOMINATES, ALBEIT WITH LIMITED  
SHOWERS UNDER THE UPPER RIDGE. HOWEVER BY TUESDAY, A COLD FRONT  
LOOKS TO MOVE ACROSS HAWAII. MODEL GUIDANCE DOES NOT SHOW MUCH OF  
AN INCREASE IN RAIN CHANCES ASSOCIATED WITH THIS FRONT,  
MAINTAINING OVERALL DRY WEATHER. BUT THE FRONT WOULD AT LEAST  
SHIFT WINDS TO HAVE A NORTHERLY COMPONENT AND STRENGTHEN THEM AS  
THE PRESSURE GRADIENT INCREASES WITH A SURFACE HIGH BEHIND THE  
FRONT.  
 
SCHICHTEL  
 
 
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