153 WWHW40 PHFO 180200 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 400 PM HST Sat Dec 17 2022 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... .A strong cold front will approach from the northwest tonight and Sunday, then sweep southeastward through the island chain late Sunday night and Monday, before exiting east of the Big Island Monday night. Heavy snow will be possible for the Big Island summits above 12,500 feet, along with very windy and potentially blizzard-like conditions. HIZ028-181600- /O.NEW.PHFO.WS.A.0001.221219T0400Z-221220T1600Z/ Big Island Summits- 400 PM HST Sat Dec 17 2022 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...Heavy snow with total snow accumulations of greater than 6 inches possible. Gusty southwest to west winds 70 to 100 mph. * WHERE...Big Island Summits above 12,500 feet. * WHEN...From Sunday evening through late Monday night. * 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. && $$