880 WWHW40 PHFO 110112 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 312 PM HST Sun Feb 10 2019 ...WINTER WEATHER ADVISORY FOR HALEAKALA AND BIG ISLAND SUMMITS... .A powerful winter storm will track over the island chain tonight, bringing a band of enhanced moisture that is likely to produce accumulating snow and ice over the Haleakala and Big Island Summits. In addition to snow and ice accumulations, very windy conditions and unusually cold temperatures are expected. HIZ028-111445- /O.EXB.PHFO.WW.Y.0001.000000T0000Z-190211T1600Z/ Big Island Summits- 312 PM HST Sun Feb 10 2019 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Ice accumulation, freezing fog and scattered snow showers. Plan on slippery road conditions. Additional snow accumulations of up 1 inch is expected. * WHERE...Big Island summits above 9000 feet. * WHEN...Through tonight. * ADDITIONAL DETAILS...Be prepared for reduced visibilities below a quarter miles at times and very windy conditions. 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. $$ HIZ022-111445- /O.EXT.PHFO.WW.Y.0001.000000T0000Z-190211T1600Z/ Haleakala Summit- 312 PM HST Sun Feb 10 2019 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM HST MONDAY... * WHAT...Briefly heavy and intense snow showers and freezing fog. Plan on slippery road conditions along with blowing and drifting snow. Additional snow accumulations of up to 1 inch is expected. * WHERE...Haleakala summit above 8000 feet. * WHEN...Through tonight. * ADDITIONAL DETAILS...Be prepared for reduced visibilities below a quarter miles at times, very windy conditions, along with blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause travel difficulties. Be prepared for snow covered roads and limited visibilities, and use extreme caution while driving. $$ Foster