840  
FXHW01 KWNH 210738  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
337 AM EDT WED JUN 21 2023  
 
VALID 00Z THU JUN 22 2023 - 00Z THU JUN 29 2023  
 
MID-UPPER RIDGING LOOKS TO BUILD ACROSS HAWAII FOR THE LATTER PART  
OF THE WEEK INTO THE WEEKEND, WHICH WILL INCREASE STABILITY AND  
LESSEN CHANCES FOR TOO MANY SHOWERS. MEANWHILE A PACIFIC HIGH IS  
FORECAST TO MOVE SOUTHWEST CLOSER TO THE STATE, WITH ITS INFLUENCE  
EXTENDING TO INCREASE EASTERLY TRADES TO BREEZY LEVELS  
WEDNESDAY-THURSDAY AND PERHAPS STRENGTHENING FURTHER TO WINDY  
LEVELS BY FRIDAY AND CONTINUING THROUGH THE WEEKEND INTO EARLY  
NEXT WEEK. ANY SHOWERS THAT DO FORM SHOULD FAVOR WINDWARD AREAS,  
BUT WIDESPREAD RAIN IS NOT EXPECTED. THERE IS SOME SIGNAL FOR MORE  
OF A TROUGH PATTERN ALOFT TO COME IN BY NEXT MONDAY-TUESDAY, BUT  
NOT WITH A NOTABLE SURFACE PATTERN CHANGE OR INCREASING MOISTURE,  
BUT THIS WILL CONTINUE TO BE MONITORED.  
 
TATE  
 

 
 
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