088 WWHW40 PHFO 141326 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 326 AM HST Wed Mar 14 2018 ...Winter Weather Advisory for Big Island Summits above 13000 feet through the morning hours today... .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 top of Mauna Kea and Mauna Loa hazardous this morning. Similar conditions will be possible once again tonight into Thursday morning. HIZ028-142000- /O.CON.PHFO.WW.Y.0008.000000T0000Z-180314T2000Z/ Big Island Summits- 326 AM HST Wed Mar 14 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM HST THIS MORNING... * WHAT...Snow expected. Plan on slippery road conditions. Additional snow accumulations of up to one inch are possible. * WHERE...Big Island Summits. * WHEN...Until 10 AM today. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. 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. $$ Gibbs