710 WWHW40 PHFO 150135 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 335 PM HST Wed Mar 14 2018 ...Winter Weather Advisory for Big Island Summits above 13000 feet through tonight... .An upper trough west of the state will funnel deep layered clouds across the Big Island. As temperatures remain around freezing at the summit level, a mix of rain and snow will lead to moderate accumulations on roads that will make travel to the summits hazardous through tonight. HIZ028-151445- /O.EXT.PHFO.WW.Y.0008.000000T0000Z-180315T1600Z/ Big Island Summits- 335 PM HST Wed Mar 14 2018 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM HST THURSDAY... * WHAT...Snow expected. Plan on slippery road conditions. Additional snow accumulations of up to one inch are possible. * WHERE...Big Island Summits. * WHEN...Until 6 AM Thursday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities and use caution while driving. $$ Burke