386  
FXHW01 KWNH 291205  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
705 AM EST FRI DEC 29 2017  
 
VALID 00Z SAT DEC 30 2017 - 00Z SAT JAN 06 2018  
 
NORTHEAST TRADES WILL PICK UP ON SUNDAY AND VEER TO EASTERLY IN A  
DRYING PATTERN FOR HAWAI'I. POST-FRONTAL SHOWERS WILL DIMINSH BY  
SATURDAY AS UPPER RIDGING JUST TO THE WEST OF THE REGION BUILDS  
THEN REMAINS IN CONTROL THROUGH NEXT WEEK, FORCING THE NEXT TROUGH  
EAST OF THE AREA AROUND 140W LATE SUNDAY INTO MONDAY ALONG WITH  
ANOTHER ONE BY THURSDAY. AGAIN THE ECMWF WAS ON THE  
STRONGER/SOUTHWEST SIDE OF THE ENSEMBLE SPREAD WITH THE SECOND  
TROUGH LATER NEXT WEEK WHILE THE ENSEMBLE CONSENSUS WAS A BIT  
FARTHER EAST MORE LIKE THE 00Z CANADIAN.  
 
FRACASSO  
 

 
 
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