568  
FXHW01 KWNH 220724  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
323 AM EDT SAT JUL 22 2023  
 
VALID 00Z SUN JUL 23 2023 - 00Z SUN JUL 30 2023  
 
SURFACE HIGH PRESSURE IN PLACE WELL TO THE NORTHWEST AND NORTHEAST  
OF HAWAII THIS WEEKEND WILL LIKELY COMBINE INTO ONE HIGH  
MEANDERING AROUND 40N LATITUDE DUE NORTH OF THE STATE NEXT WEEK.  
THE INFLUENCE OF THIS HIGH WILL LEAD TO PERSISTENT AND LIKELY  
BREEZY EASTERLY TRADES THROUGH THE NEXT WEEK, WITH PERHAPS MINOR  
VARIATIONS IN SPEED FROM DAY TO DAY. WITHOUT SIGNIFICANT  
UPPER-LEVEL FEATURES INFLUENCING THE PATTERN, TYPICAL TRADE WIND  
WEATHER CAN BE EXPECTED, INCLUDING SOME SCATTERED WINDWARD/MAUKA  
SHOWERS THAT SHOULD NOT BE VERY DEEP GIVEN THE COMMON INVERSION  
ALOFT. SHOWER COVERAGE MAY BE TEMPORARILY ENHANCED LATE SATURDAY  
INTO SUNDAY AS SLIGHTLY HIGHER PRECIPITABLE WATER VALUES COME INTO  
HAWAII, BEFORE A DRIER THAN NORMAL AIRMASS ARRIVES NEXT WEEK.  
HEAVY RAINFALL IS NOT LIKELY DURING THE UPCOMING WEEK. LOOKING  
AHEAD INTO NEXT WEEKEND, AN UPPER TROUGH AXIS MAY SET UP TO THE  
NORTH OF THE STATE, AND ITS INFLUENCE ON THE SENSIBLE WEATHER IF  
THAT UPPER PATTERN PLAYS OUT WILL CONTINUE TO BE MONITORED.  
 
TATE  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HPC Page Main Text Page