458 WWHW40 PHFO 011345 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 345 AM HST FRI FEB 1 2008 ...WINTER WEATHER ADVISORY EXTENDED FOR BIG ISLAND SUMMITS... .AN UPPER LEVEL TROUGH WILL KEEP THE ATMOSPHERE UNSTABLE. THE FREEZING LEVEL HAS RISEN ABOVE 12 THOUSAND FEET...BUT TEMPERATURES AT THE SUMMIT WILL REMAIN BELOW FREEZING TODAY. PATCHY FREEZING DRIZZLE OR ISOLATED SNOW SHOWERS ARE EXPECTED. THIS WINTRY WEATHER WILL CREATE HAZARDOUS TRAVEL CONDITIONS. HIZ028-020300- /O.EXT.PHFO.WW.Y.0002.000000T0000Z-080202T0400Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 345 AM HST FRI FEB 1 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 PM HST THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATIONS OF UP TO AN INCH AND PATCHY ICE ACCUMULATIONS ARE POSSIBLE TODAY. 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