192 WWHW40 PHFO 080120 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 320 PM HST Sun Mar 7 2021 ...WINTER WEATHER ADVISORY FOR MAUNA KEA AND MAUNA LOA... .Deep moisture will spread over the area from the east and southeast, while a nearby trough aloft maintains sub-freezing temperatures over the Big Island Summits. Periods of snow and freezing rain are expected, with the potential for heavy snow as the week progresses. HIZ028-081430- /O.UPG.PHFO.WS.A.0002.210308T0400Z-210310T1600Z/ /O.NEW.PHFO.WW.Y.0008.210308T0120Z-210309T0400Z/ Big Island Summits- 320 PM HST Sun Mar 7 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM HST MONDAY... * WHAT...Snow and freezing rain. Additional snow accumulations of up to two inches. * WHERE...Big Island Summits. * WHEN...Until 6 PM HST Monday. * 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