900  
FXHW01 KWNH 131231  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
730 AM EST MON NOV 13 2017  
 
VALID 00Z TUE NOV 14 2017 - 00Z TUE NOV 21 2017  
 
NORTHERN STREAM SHORTWAVE ENERGY/HEIGHT FALLS DIG INTO A MEAN  
MID-UPPER LEVEL TROUGH POSITION OVER/EAST OF THE STATE THIS WEEK  
DOWNSTREAM OF A AMPLIFIED NORTH-CENTRAL PACIFIC RIDGE IN A BLOCKY  
PATTERN. FRONTAL PASSAGE TUE/WED MAY OFFER SOME SHOWERS, BUT  
OTHERWISE EXPECT A STEADY DECREASE MOISTURE AND SHOWERS STATEWIDE  
AS STRONG POST-FRONTAL SURFACE HIGH PRESSURE BUILDS AND SETTLES TO  
THE NORTH OF THE STATE. IN THIS PATTERN, EXPECT AN INCREASE TO  
BRISK TRADES WITH ONLY LIMITED WINDWARD TERRAIN SHOWERS. MODEL AND  
ENSEMBLE SOLUTIONS CLUSTER WELL OVER THE NEXT WEEK, BOLSTERING  
FORECAST CONFIDENCE WITH A PREFERRED COMPOSITE SOLUTION.  
 
SCHICHTEL  
 

 
 
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