948 WWHW40 PHFO 120318 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 518 PM HST Sun Apr 11 2021 ...WINTER WEATHER ADVISORY FOR THE HALEAKALA SUMMIT AND THE SUMMITS OF THE BIG ISLAND THROUGH MIDNIGHT... .A passing disturbance aloft will produce snow showers above 9,500 feet the Big Island summits through this evening, with chances for additional winter weather decreasing by midnight. Ice and snow that fell on Haleakala earlier in the day remains on roads, and vehicle traffic remains closed in Haleakala National Park through at least the evening. HIZ022-028-121000- /O.EXT.PHFO.WW.Y.0011.000000T0000Z-210412T1000Z/ Haleakala Summit-Big Island Summits- 518 PM HST Sun Apr 11 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT HST TONIGHT... * WHAT...Snow and ice. Additional snow accumulations of up to one inch is expected on the summits of Mauna kea and Mauna Loa. Ice will continue to cover high elevation roads on Haleakala. * WHERE...Haleakala Summit and Big Island Summits above 9,000 feet. * WHEN...Until midnight HST tonight. * IMPACTS...Plan on slippery road conditions. Haleakala National Park remains closed to vehicle traffic. 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. && $$ Wroe