493 WWHW40 PHFO 040142 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 342 PM HST SUN FEB 3 2008 ...WINTER WEATHER ADVISORY FOR BIG ISLAND SUMMITS... .AN UPPER LEVEL TROUGH WEST OF THE ISLANDS WILL MAINTAIN MOIST AND UNSTABLE CONDITIONS FAVORABLE FOR ADDITIONAL SNOWFALL ACROSS THE SUMMITS OF THE BIG ISLAND ABOVE 12000 FEET THROUGH TONIGHT. HIZ028-041400- /O.CON.PHFO.WW.Y.0002.000000T0000Z-080204T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 342 PM HST SUN FEB 3 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY. ADDITIONAL ACCUMULATIONS OF 1 T0 3 INCHES OF SNOW ARE EXPECTED THROUGH 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. $$ WROE