222 WWHW70 PHFO 200134 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 334 PM HST SUN FEB 19 2006 ...DENSE FOG OVER MAUNA KEA AND MAUNA LOA... .CLOUDS HUGGING THE SUMMITS OF THE BIG ISLAND ARE PERIODICALLY REDUCING VISIBILITY TO LESS THAN 1/4 OF A MILE ABOVE 9000 FEET. CONDITIONS ARE EXPECTED TO IMPROVE MONDAY MORNING. HIZ028-201400- /O.NEW.PHFO.FG.Y.0002.060220T0200Z-060220T2000Z/ BIG ISLAND SUMMITS- 334 PM HST SUN FEB 19 2006 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM HST MONDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM HST MONDAY. VISIBILITY WILL BE LESS THAN 1/4 OF A MILE OVERNIGHT FOR ELEVATIONS ABOVE 9000 FEET. A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. $$