612 WWHW40 PHFO 152156 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 1156 AM HST Fri Dec 15 2017 ...WINTER WEATHER ADVISORY FOR HALEAKALA SUMMIT... .An middle and upper level low will track near the island chain tonight and bring cold temperatures to the high elevations on Maui. Temperatures are expected to fall below freezing at Haleakala summit later today through Saturday morning. Combined with incoming showers, freezing rain is likely to occur and may occasionally change over to snow within the more intense showers and thunderstorms. HIZ022-161100- /O.NEW.PHFO.WW.Y.0009.171216T0200Z-171216T2200Z/ Haleakala Summit- 1156 AM HST Fri Dec 15 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO NOON HST SATURDAY... * WHAT...Freezing rain which may change to snow at times. * WHERE...Haleakala Summit above 9000 feet. * WHEN...4 PM today to noon Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A winter Weather Advisory for freezing rain means that periods of freezing rain will cause slippery roads and possible travel difficulties. Use caution when driving. $$ Foster