563 WWHW40 PHFO 091307 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 307 AM HST Tue Mar 9 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. HIZ028-100215- /O.EXT.PHFO.WW.Y.0008.000000T0000Z-210310T1600Z/ Big Island Summits- 307 AM HST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM HST WEDNESDAY... * WHAT...Additonal snow accumulations of up to 3 inches, and periods of freezing rain. * WHERE...Big Island Summits. * WHEN...Until 6 AM HST Wednesday. * 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