597 WWHW40 PHFO 031852 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 852 AM HST SUN DEC 3 2006 ...ICY CONDITIONS ON THE BIG ISLAND SUMMITS THROUGH NOON... .FREEZING TEMPERATURES AND FOG WILL COMBINE TO CONTINUE ICY CONDITIONS AT THE SUMMITS...MAINLY ABOVE 13000 FEET FOR THE REMAINDER OF THE MORNING. HIZ028-032200- /O.NEW.PHFO.WW.Y.0007.061203T1852Z-061203T2200Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 852 AM HST SUN DEC 3 2006 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON HST TODAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS EXTENDED THE WINTER WEATHER ADVISORY UNTIL NOON. LATEST OBSERVATIONS FROM THE MAUNA KEA SUMMIT ABOVE 13000 FEET INDICATE A LITTLE LIGHT SNOW IS FALLING ALONG WITH FREEZING FOG...CREATING ICY AND HAZARDOUS CONDITIONS AT THE SUMMIT. THE MAUNA KEA ACCESS ROAD TO THE SUMMIT REMAINS CLOSED TO THE PUBLIC AT THE VISITORS CENTER. CONDITIONS SHOULD START TO IMPROVE BY NOON WHEN TEMPERATURES AT THE SUMMIT PUSH ABOVE FREEZING. HOWEVER MELTING OF SNOW AND CONTINUED PATCHY FOG MAY AGAIN CREATE ICY CONDITIONS THIS EVENING AND OVERNIGHT WHEN TEMPERATURES FALL BELOW FREEZING. $$ NASH