Prognostic Meteorological Discussion
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FXHW01 KWNH 261156
PMDHI

HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
756 AM EDT SUN APR 26 2015

VALID 00Z MON APR 27 2015 - 00Z MON MAY 04 2015

COLD FRONT CURRENTLY OVER THE NW ISLANDS WILL SLOWLY BUT STEADILY
SINK THROUGH THE REST OF THE ISLAND CHAIN TODAY AND MONDAY. IT
SHOULD GET HUNG UP OVER THE BIG ISLAND TOMORROW AND THEN DISSIPATE
AS STRONG SURFACE HIGH PRESSURE SLIDES EASTWARD ALONG 35N THE REST
OF THE WEEK. TROUGHING IS FORECAST TO PASS BY WELL TO THE NORTH OF
THE 50TH STATE NEXT WEEKEND THOUGH HEIGHTS WILL LOWER A BIT OVER
THE REGION. THIS WILL PROMOTE RATHER STRONG TRADES OWING TO THE
GRADIENT, WITH SCATTERED WINDWARD SHOWERS. ENSEMBLES FORECAST PW
VALUES TO HOVER NEAR TO BELOW CLIMO VALUES FROM ABOUT TUESDAY
ONWARD AND LIGHT TO MODEST PRECIPITATION IS EXPECTED, ESPECIALLY
IN WINDWARD FAVORED AREAS.

FRACASSO

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