630  
FXHW01 KWNH 301220  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
720 AM EST SAT DEC 30 2017  
 
VALID 00Z SUN DEC 31 2017 - 00Z SUN JAN 07 2018  
 
MODELS AND ENSEMBLES AGREE ON A RELATIVELY QUIET AND DRY PATTERN  
FOR HAWAI'I OVER THE NEXT WEEK. PRECIPITABLE WATER VALUES WILL  
REMAIN BELOW AVERAGE (GENERALLY NEAR AN UNDER AN INCH VS AVERAGE  
VALUES JUST OVER AN INCH) AND SURFACE HIGH PRESSURE CENTERS WILL  
PASS EASTWARD ALONG 33N AS UPPER RIDGING BUILDS TO THE NORTHWEST  
OF THE AREA. TRADES WILL BE BREEZY FROM TIME TO TIME ESPECIALLY BY  
THE END OF NEXT WEEK AS THE PRESSURE GRADIENT STRENGTHENS. PREFER  
THE 00Z ECMWF/CANADIAN BY THEN AS THE 00Z/06Z GFS WERE A BIT  
WEAKER WITH THE SURFACE HIGH EVEN COMPARED TO ITS OWN ENSEMBLE  
MEAN.  
 
FRACASSO  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab HPC Page Main Text Page