832 WWHW40 PHFO 060513 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 713 PM HST Mon Feb 5 2018 ...Winter Weather Advisory for the summits of Mauna Kea and Mauna Loa... .A surface front and trough aloft are expected to bring a mix of wintry weather, including periods of snow, to the Big Island summits overnight and Tuesday. HIZ028-061815- /O.UPG.PHFO.WS.A.0001.180206T1600Z-180208T0400Z/ /O.NEW.PHFO.WW.Y.0005.180206T0513Z-180207T0400Z/ Big Island Summits- 713 PM HST Mon Feb 5 2018 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM HST TUESDAY... * WHAT...Mixed precipitation and snow expected. Plan on slippery road conditions. Snow accumulations of up to 3 inches are possible. * WHERE...Big Island Summits. * WHEN...Until 6 PM Tuesday. * 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. $$ Birchard