183 WWHW40 PHFO 101318 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 318 AM HST Wed Mar 10 2021 ...WINTER WEATHER ADVISORY FOR MAUNA KEA AND MAUNA LOA... .Deep moisture will continue to periodically move over the Summits, while a nearby low aloft maintains sub-freezing temperatures. This will lead to periods of snowfall and freezing rain. HIZ028-110230- /O.CON.PHFO.WW.Y.0008.000000T0000Z-210311T0400Z/ Big Island Summits- 318 AM HST Wed Mar 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * WHAT...Snow. Additional snow accumulations of up to one inch, with periods of freezing rain. * WHERE...Big Island Summits. * WHEN...Until 6 PM HST this evening. * IMPACTS...Travel could be very difficult to impossible. 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