306 WWHW40 PHFO 240148 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 348 PM HST Tue Jan 23 2018 ...FREEZING RAIN WITH SOME SNOW SHOWERS EXPECTED TONIGHT ON THE SUMMITS... .Deep moisture moving onto the Big Island in the trade wind flow is expected to reach the summits, where temperatures will be below freezing tonight. Periods of rain will likely lead to some ice on roads and structures, with a few snow showers possible as well. HIZ028-241500- /O.NEW.PHFO.WW.Y.0003.180124T0400Z-180124T1600Z/ Big Island Summits- 348 PM HST Tue Jan 23 2018 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM HST WEDNESDAY... * WHAT...Freezing rain expected, with a few snow showers possible. The ice will result in very slippery conditions. Total ice accumulations of a light glaze are expected. * WHERE...Big Island Summits above 12,500 ft. * WHEN...Through 6 AM Wednesday. * ADDITIONAL DETAILS...Be prepared for near zero visibilities and hazardous travel conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of freezing rain will cause travel difficulties. Be prepared for slippery roads. Slow down and use caution while driving. $$ Wroe