187
FXHW01 KWNH 280744
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
243 AM EST SAT DEC 28 2024
VALID 00Z SUN DEC 29 2024 - 00Z SUN JAN 05 2025
AN UPPER TROUGH IS STARTING TO BREAK UP THE SUBTROPICAL RIDGE OVER
HAWAII, WHILE AT THE SURFACE A COLD FRONT APPROACHES THE WESTERN
ISLANDS. THE FRONT IS FORECAST TO PUSH INTO KAUAI AND OAHU AND
STALL THIS WEEKEND BEFORE DISSIPATING. IT WILL PROVIDE A FOCUS FOR
MOISTURE TO POOL, PRODUCING ENHANCED SHOWERS FOR KAUAI AND OAHU,
WHILE SOME SCATTERED SHOWERS ARE POSSIBLE FARTHER SOUTH IN THE
MOIST ENVIRONMENT. BEHIND THE FRONT, A SURFACE HIGH WILL SET UP
NORTH OF THE STATE AND ALLOW FOR TRADE WINDS TO RESUME BY EARLY
NEXT WEEK. MOISTURE REMAINING IN PLACE WILL HELP PRODUCE SHOWERS,
WHICH SHOULD FAVOR WINDWARD/MAUKA AREAS DUE TO THE WIND PATTERN.
THE MOIST TRADE WIND PATTERN IS LIKELY TO CONTINUE INTO MIDWEEK.
BY LATE NEXT WEEK, WINDS LOOK TO VEER AGAIN IN RESPONSE TO ANOTHER
FRONT NORTHWEST OF HAWAII.
TATE
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