792 WWHW40 PHFO 180123 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 323 PM HST Sun Dec 17 2017 HIZ028-181500- /O.NEW.PHFO.WS.A.0005.171219T1600Z-171221T1600Z/ Big Island Summits- 323 PM HST Sun Dec 17 2017 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... * WHAT...Heavy snow possible. Plan on difficult travel conditions. Total snow accumulations of a foot or more are possible. * WHERE...Big Island Summits above 12000 feet. * WHEN...From Tuesday morning through late Wednesday night. * ADDITIONAL DETAILS...The heavy snow may be accompanied by strong wind gusts, blowing snow, very low visibility at times and cloud to ground lightning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet 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 better weather returns. $$ R Ballard