916
FXHW01 KWNH 240713
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
213 AM EST FRI FEB 24 2023
VALID 00Z SAT FEB 25 2023 - 00Z SAT MAR 4 2023
THE INVERTED SURFACE TROUGH OVER THE FAR NORTHWESTERN ISLANDS
FRIDAY MORNING WILL CONTINUE RETROGRADING TOWARDS THE WEST THROUGH
THE WEEKEND. A BIG SUBTROPICAL HIGH WILL BE BUILDING NORTH OF THE
STATE, CENTERED GENERALLY NEAR 35-40 DEGREES NORTH, THROUGH EARLY
NEXT WEEK. THIS WILL MAINTAIN BREEZY TO WINDY TRADES FROM
GENERALLY THE EAST-NORTHEAST THROUGH MOST OF THE FORECAST PERIOD,
WITH WINDS GUSTING OVER 35 MPH AT TIMES, ALONG WITH VERY ROUGH
SURF.
THE PRESENCE OF A WEAK UPPER TROUGH AND PWS ON THE ORDER OF 1.0 TO
1.5 INCHES WITH SUSTAINED OROGRAPHIC LIFT WILL MAINTAIN THE
POTENTIAL FOR HEAVY RAINFALL ACROSS THE WINDWARD TERRAIN,
PARTICULARLY ACROSS THE BIG ISLAND. THE RAINFALL SHOULD WANE IN
INTENSITY SOME FOR THESE AREAS GOING INTO THE MIDDLE TO END OF
NEXT WEEK AS A SLIGHTLY DRIER LOW-MID LEVEL AIRMASS MOVES INTO THE
REGION.
HAMRICK
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