180  
FXHW01 KWNH 310737  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
236 AM EST TUE JAN 31 2023  
 
VALID 00Z WED FEB 01 2023 - 00Z WED FEB 08 2023  
 
A SURFACE TROUGH THAT HAS BEEN FOCUSING MOISTURE ACROSS HAWAII  
OVER THE PAST FEW DAYS IS MOVING WEST OF THE STATE AND  
DISSIPATING, LEADING TO A DIMINISHING HEAVY RAIN THREAT OVERALL.  
ALOFT, A CLOSED LOW REMAINS IN PLACE WEST OF HAWAII AND LOOKS TO  
ERODE SLOWLY THROUGH THIS WEEK. THIS FEATURE WILL CONTINUE TO DRAW  
IN SOMEWHAT ABOVE AVERAGE MOISTURE AND MAINTAIN SOME INSTABILITY  
OVER THE STATE. THUS WITH WEAK BACKGROUND WINDS AT THE SURFACE,  
THIS WILL LEAD TO A GENERAL SEA BREEZE PATTERN WITH SHOWERS AND  
PERHAPS THUNDERSTORMS PARTICULARLY OVER THE BIG ISLAND OVER THE  
NEXT FEW DAYS. SOME LOCALIZED HEAVY DOWNPOURS ARE POSSIBLE. THEN  
BY LATE WEEK, THE SURFACE PATTERN LOOKS FAVORABLE FOR MORE TYPICAL  
EASTERLY WINDS TO FORM BY LATER IN THE WEEK WITH A HIGH TO THE  
NORTH. ADDITIONALLY, A COLD FRONT OR TWO MAY APPROACH HAWAII AND  
HELP FOCUS MOISTURE, BUT WITH SOME UNCERTAINTY IN TIMING AND WITH  
HOW FAR THE FRONTS SINK SOUTH. OVERALL A WET TRADE WIND PATTERN  
LOOKS TO BE IN STORE FOR LATE WEEK INTO EARLY NEXT WEEK.  
 
TATE  
 

 
 
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