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Hawaii Extended Forecast Discussion
 
(Latest Discussion - Issued 1158Z Apr 21, 2014)
 
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Abbreviations and acronyms used in this product


HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
758 AM EDT MON APR 21 2014

VALID 00Z TUE APR 22 2014 - 00Z TUE APR 29 2014


THE GLOBAL NUMERICAL GUIDANCE HAS STEADILY INDICATED AN
ESSENTIALLY UNPERTURBED STRETCH OF TRADE WINDS FOR HAWAI'I FOR
SOME TIME NOW, AND WITH THE ADVENT OF THE 00Z/21 MODELS, THAT
STILL SEEMS TO BE THE CASE. THERE APPEARS TO BE ENOUGH DEEP-LAYER
MOISTURE IN THE FLOW TO FUEL PRODUCTIVE WINDWARD SHOWERS EACH DAY,
WITH 7-DAY TOTALS OFF THE 27-KM ECMWF EXCEEDING 3-4" OVER THE
FAVORED TERRAIN OF THE BIG ISLAND. THE ONLY LARGE-SCALE NEWS OF
NOTE WITH THE MODELS IS THAT THE MEAN TROUGH OVER THE NORTHEAST
PACIFIC IS PROGGED TO AMPLIFY SOMEWHAT BY EARLY NEXT WEEK, WHICH
WOULD PUT A DENT IN THE ZONAL MOISTURE BAND ACROSS THE ISLANDS.


CISCO