018 WWHW40 PHFO 100139 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 339 PM HST Thu Jan 9 2020 ...WINTER WEATHER ADVISORY FOR THE BIG ISLAND SUMMITS THROUGH FRIDAY NIGHT... .Moisture brought in by strong winds, combined with the approach of an upper level disturbance, will produce bouts of snowfall across the Big Island summits through Friday night. HIZ028-101445- /O.NEW.PHFO.WW.Y.0001.200110T0139Z-200111T1600Z/ Big Island Summits- 339 PM HST Thu Jan 9 2020 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM HST SATURDAY... * WHAT...Snow. Additional snow accumulations of up to 4 inches. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Saturday. * IMPACTS...Travel could be very difficult. Blowing snow may significantly reduce visibility at times, with periods of zero visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow, sleet, or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities and use caution while driving. && $$