934  
FXHW01 KWNH 210830  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
430 AM EDT THU MAY 21 2026  
 
VALID 00Z FRI 22 MAY 2026 - 00Z FRI 29 MAY 2026  
 
NO SIGNIFICANT CHANGES EXPECTED TO THE LARGE PATTERN ACROSS THE  
ISLANDS FOR THE UPCOMING FORECAST PERIOD. SURFACE HIGH PRESSURE  
WILL REMAIN CENTERED NORTH OF THE ISLANDS ALONG APPROXIMATELY  
35N, MAINTAINING MODERATE TO STRONG TRADES TO ITS SOUTH ACROSS THE  
STATE. PW VALUES ARE EXPECTED TO BE SLIGHTLY BELOW SEASONAL  
NORMS, WITH VALUES NEAR 1.0". CLIMATOLOGICAL PRECIP DISTRIBUTION  
EXPECTED ACROSS THE ISLANDS THROUGH THE ENTIRE PERIOD. POPS WILL  
RANGE FROM 30-60% OVER WINDWARD AND MAUKA LOCATIONS AND GENERALLY  
LESS THAN 15% ACROSS LEEWARD AREAS.  
 
ORAVEC  
 
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