117
FXHW01 KWNH 220714
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
214 AM EST THU DEC 22 2022
VALID 00Z FRI DEC 23 2022 - 00Z FRI DEC 30 2022
GOING INTO THE END OF THE WEEK, THE ENSEMBLE MEANS ARE INDICATING
ANOTHER SURFACE TROUGH AND COLD FRONT APPROACHING THE NORTHWESTERN
ISLANDS, BUT THIS IS NOT EXPECTED TO BE NEARLY AS STRONG AS THE
RECENT EVENT WITH THE MAIN SURFACE LOW REMAINING CLOSER TO 40
DEGREES NORTH, AND ANY RAINFALL FROM IT CONFINED TO THE FAR
NORTHWESTERN ISLANDS. HOWEVER, THE BOUNDARY COMES CLOSE ENOUGH TO
RESULT IN A PERIOD OF SOUTHWESTERLY WINDS FOR THE CENTRAL AND
WESTERN ISLANDS ON FRIDAY AND INTO SATURDAY.
THE PATTERN NORTH OF THE STATE REMAINS ACTIVE GOING INTO THE
WEEKEND WITH A SECOND TROUGH (POTENTIALLY A LITTLE STRONGER)
PASSING BY AS A LOW PRESSURE DEVELOPS NEAR 35 DEGREES NORTH, BUT
MOST OF THE RAIN WITH THIS SHOULD ALSO REMAIN NORTH OF THE STATE.
MEANWHILE, A WEAK SURFACE RIDGE AXIS WILL LIKELY BE IN PLACE
ACROSS THE STATE WITH GENERALLY LIGHT AND VARIABLE WINDS MOST
DAYS. THE TRADES MAY GET A LITTLE STRONGER GOING INTO EARLY NEXT
WEEK AS THE HIGH BUILDS.
HAMRICK
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