819 WWHW40 PHFO 311013 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 1213 AM HST FRI MAR 31 2006 ...SNOW AND ICY CONDITIONS FOR BIG ISLAND SUMMITS... .LOW PRESSURE TO THE NORTHWEST OF THE STATE WILL KEEP WEATHER UNSETTLED INTO THE WEEKEND. ALTHOUGH THE LOW WILL BRING COLDER TEMPERATURES TO HIGHER ELEVATIONS...MUCH OF THE MOISTURE IS EXPECTED TO REMAIN WEST OF THE BIG ISLAND THROUGH EARLY FRIDAY MORNING. THUS HEAVY SNOWFALL IS UNLIKELY BEFORE FRIDAY EVENING. HOWEVER...CLOUDS OVER THE SUMMITS WILL PRODUCE ICY CONDITIONS... AND SOME SNOW MAY FALL...PRODUCING HAZARDOUS CONDITIONS AT ELEVATIONS ABOVE 11000 FEET. WINTER WEATHER CONDITIONS MAY CONTINUE WELL INTO THE WEEKEND...POSSIBLY PRODUCING SNOW ACCUMULATION AS LOW AS THE SUMMIT OF HALEAKALA ON MAUI...THOUGH THIS OUTCOME IS NOT EXPECTED. ANYONE ON OR NEAR THE SUMMITS SHOULD BE PREPARED FOR HAZARDOUS WINTER WEATHER. HIZ028-311815- /O.CON.PHFO.WW.Y.0006.000000T0000Z-060401T0500Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 1213 AM HST FRI MAR 31 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM HST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM HST FRIDAY. SNOW ACCUMULATION OF UP TO 4 INCHES IS POSSIBLE BY LATE FRIDAY. IN ADDITION...FREEZING FOG OVER THE SUMMITS WILL PRODUCE ICE ON ROADS AND OTHER SURFACES. A WINTER WEATHER ADVISORY MEANS THAT SNOW AND ICY CONDITIONS WILL MAKE TRAVEL DIFFICULT. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY. DRIVE WITH CAUTION. $$