621 WWHW40 PHFO 241946 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 946 AM HST SAT FEB 24 2007 HIZ028-242100- /O.CAN.PHFO.WW.Y.0006.000000T0000Z-070224T2000Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 946 AM HST SAT FEB 24 2007 ...WINTER WEATHER ADVISORY IS CANCELLED... SKIES CLEARED OVER THE BIG ISLAND SUMMITS THIS MORNING. THE ATMOSPHERE REMAINS UNSTABLE...AND ISOLATED RAIN OR SNOW SHOWERS MAY OCCUR THIS AFTERNOON...BUT SIGNIFICANT WINTER WEATHER IS NOT EXPECTED TODAY. $$ WROE