879 WWHW40 PHFO 100149 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 349 PM HST TUE JAN 9 2007 ...ICY ROADWAYS AND LIGHT SNOW ON THE BIG ISLAND SUMMITS... .A KONA LOW WEST OF THE ISLANDS HAS BROUGHT LIGHT SNOW TO THE SUMMITS OF MAUNA KEA AND MAUNA LOA...WITH ONE TO TWO INCHES OF SNOW ALREADY ON THE GROUND. ALTHOUGH ONLY LIGHT SNOWFALL IS EXPECTED OVERNIGHT...TEMPERATURES WILL DROP BELOW FREEZING...RESULTING IN ICY ROADWAYS. THUS...THE ROAD TO THE SUMMIT IS CLOSED TO THE PUBLIC...AND THE WINTER WEATHER ADVISORY HAS BEEN EXTENDED. HIZ028-101500- /O.EXT.PHFO.WW.Y.0002.000000T0000Z-070110T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 349 PM HST TUE JAN 9 2007 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM HST WEDNESDAY... A MOIST AIR MASS COMBINED WITH BELOW FREEZING TEMPERATURES WILL LIKELY RESULT IN ICY ROADWAYS ON THE BIG ISLAND SUMMITS OVERNIGHT. A WINTER WEATHER ADVISORY MEANS THAT WINTRY WEATHER WILL CAUSE TRAVEL DIFFICULTIES. OBSERVATORY PERSONNEL SHOULD BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$