518 WWHW40 PHFO 010729 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 929 PM HST THU JAN 31 2008 ...WINTER WEATHER ADVISORY CONTINUES FOR BIG ISLAND SUMMITS... .AN UPPER LEVEL TROUGH WILL KEEP THE ATMOSPHERE UNSTABLE FOR ONE MORE NIGHT. THE FREEZING LEVEL IS NEAR 12 THOUSAND FEET...AND TEMPERATURES AT THE SUMMIT ARE WELL BELOW FREEZING IN THE LOW 20S. PATCHY FREEZING DRIZZLE OR ISOLATED SNOW SHOWERS ARE POSSIBLE TONIGHT. THIS WINTRY WEATHER WILL CREATE HAZARDOUS TRAVEL CONDITIONS. HIZ028-011600- /O.CON.PHFO.WW.Y.0002.000000T0000Z-080201T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 929 PM HST THU JAN 31 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY. ADDITIONAL SNOW ACCUMULATIONS OF UP TO AN INCH AND PATCHY ICE ACCUMULATIONS ARE POSSIBLE TONIGHT. 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. $$ BRAVENDER