390
FXHW01 KWNH 140720
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
320 AM EDT FRI MAR 14 2025
VALID 00Z SAT 15 MAR 2025 - 00Z SAT 22 MAR 2025
GUIDANCE SEEMS REASONABLE CLUSTERED AND INDICATED THAT SURFACE
HIGH NOW CENTERED TO THE NORTEAST OF THE STATE SHOULD WEAKEN AND
DRIFT SOUTHEASTWARD, ALLOWING FOR ISLAND WINDS TO GRADUALLY LESSEN
TO MORE MODERATE LEVELS BY SATURDAY. IT ALSO SEEMS EVIDENT THAT WINDS
MAY RAISE TO MORE BREEZY LEVELS INTO NEXT WEEK AS A SERIES OF
HIGH PRESSURE CELLS BRIDGE TO THE NORTH OF THE STATE. MEANWHILE,
AN UPPER TROUGH IS FORECAST TO GRADUALLY APPROACH FROM THE WEST
WITH SOME LOWERING HEIGHTS OVER HAWAII. THIS PLUS A FRONT STALLING
TO THE NORTH AND WEST WILL DRAW HIGHER MOISTURE NORTHWARD ACROSS
THE STATE AS MEAN FLOW TURNS MORE SOUTHEASTERLY. THUS, SHOWER
COVERAGE AND HIGHER RAIN TOTALS ARE MORE LIKELY OVER THE WEEKEND
INTO EARLY NEXT WEEK OVER THE ISLANDS, BUT THERE COULD BE A
PARTICULAR FOCUS OVER THE WESTERN ISLANDS CLOSER TO THE
FRONT AND DEEPER MOISTURE. MORE TYPICAL TRADE WINDS MAY RETURN
AROUND MIDWEEK WHILE MOISTURE LEVELS GRADUALLY FALL AS THE TROUGH
LOSES INFLUENCE.
SCHICHTEL
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