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896 WWHW40 PHFO 291311 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 311 AM HST Wed Jan 29 2025 ...WINTER WEATHER WATCH FOR THE SUMMITS OF MAUNA KEA AND MAUNA LOA LATE TONIGHT THROUGH FRIDAY MORNING... .A strong winter low pressure system will bring the potential for snow and ice to the summits of the Big Island. HIZ022-291415- /O.CAN.PHFO.WS.A.0001.250130T1000Z-250131T1400Z/ Haleakala Summit- 311 AM HST Wed Jan 29 2025 ...WINTER STORM WATCH IS CANCELLED... The temperatures are forecast to remain above freezing at the summit. $$ HIZ028-300215- /O.CON.PHFO.WS.A.0001.250130T1000Z-250131T2200Z/ Big Island Summits- 311 AM HST Wed Jan 29 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...Periods of heavy snow and ice accumulations. Snow accumulations ranging from 4 to 8 inches possible. A light glaze of ice is also possible on wet surfaces as temperatures drop below freezing. * WHERE...Big Island Summits. * WHEN...From late tonight through Friday morning. * IMPACTS...Travel could be very difficult to impossible. Blowing snow will significantly reduce visibility at times, with periods of zero visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow or ice accumulations that may impact the summits. Anyone planning travel to the summits, including hikers and campers, should monitor the latest forecasts and consider postponing their trip until improved weather returns. && $$ AG