544
FXHW01 KWNH 220740
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
339 AM EDT TUE OCT 22 2024
VALID 00Z WED OCT 23 2024 - 00Z WED OCT 30 2024
A SURFACE LOW EMBEDDED WITHIN A LARGER SCALE INVERTED TROUGH IS
EXPECTED ACROSS THE FAR NORTHWESTERN ISLANDS FOR THE MIDDLE OF THE
WEEK, WITH PERHAPS A WEAKER SECONDARY LOW DEVELOPING NEAR IT AND
MERGING WITH IT. MEANWHILE, ANOTHER LOW IS LIKELY TO DEVELOP WELL
TO THE NORTHEAST OF HAWAII MIDWEEK AND STAY AWAY FROM THE STATE.
GOING INTO THE END OF THE WEEK AND THE WEEKEND, THE GUIDANCE HAS
COME INTO BETTER OVERALL AGREEMENT WITH THE SURFACE PRESSURE
PATTERN.
TRADE WIND FLOW SHOULD GENERALLY BE FROM THE EAST MOST DAYS, AND
SINCE THE MAIN SURFACE HIGH AND ITS STRONGER PRESSURE GRADIENT
SHOULD BE WELL NORTH OF THE STATE, WINDS SHOULD BE LIGHT TO
MODERATE MOST DAYS. THE SURFACE WINDS MAY VEER SLIGHTLY TO THE
EAST-SOUTHEAST TOWARDS THE END OF THE WEEK. IN TERMS OF
PRECIPITATION PROSPECTS, NO MAJOR RAINFALL EVENTS APPEAR LIKELY
OVER THE NEXT 5 DAYS, WITH GOOD OVERALL AGREEMENT BETWEEN THE GFS
AND ECMWF ON THIS SCENARIO.
HAMRICK
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