557 WWHW40 PHFO 011338 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 338 AM HST Mon Mar 1 2021 ...WINTER WEATHER ADVISORY FOR MAUNA KEA AND MAUNA LOA SUMMITS... .Overnight snow and icy conditions are currently present over the Big Island Summits. Conditions are expected to improve later this morning. HIZ028-012000- /O.EXT.PHFO.WW.Y.0007.000000T0000Z-210301T2000Z/ Big Island Summits- 338 AM HST Mon Mar 1 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM HST THIS MORNING... * WHAT...Icy and snowy road ways. * WHERE...Big Island Summits above 11,000 feet. * WHEN...Until 10 AM HST this morning. * IMPACTS...Travel could be very difficult as roadways will occasionally be covered with ice. 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. && $$