246 WWHW40 PHFO 190113 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 313 PM HST Fri Dec 18 2020 ...WINTER WEATHER ADVISORY FOR BIG ISLAND SUMMITS... .Deep moisture riding in on the trade wind flow will periodically extend as high as the Big Island Summits, producing a wintry mix through Saturday morning. HIZ028-191415- /O.EXT.PHFO.WW.Y.0007.000000T0000Z-201219T2000Z/ Big Island Summits- 313 PM HST Fri Dec 18 2020 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM HST SATURDAY... * WHAT...Wintry mix of freezing rain with periods of snow. Additional snow accumulations of up to two inches. * WHERE...Big Island Summits. * WHEN...Until 10 AM HST Saturday. * IMPACTS...Plan on slippery road 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. && $$ Birchard