610 WWHW40 PHFO 190123 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 323 PM HST Wed Apr 18 2018 HIZ028-191430- /O.CON.PHFO.WS.A.0005.180419T1600Z-180421T0400Z/ Big Island Summits- 323 PM HST Wed Apr 18 2018 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...Heavy snow possible. Snow accumulations of 6 to 12 inches may occur. * WHERE...The summits of Mauna Kea and Mauna Loa above 12000 ft. * WHEN...From Thursday morning through Friday afternoon. * ADDITIONAL DETAILS...Significant reductions in visibility are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact the summits. Consider postponing travel to the summits until the threat of heavy snow ends. $$ Donaldson