675 WWHW40 PHFO 301407 WSWHFO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 407 AM HST THU MAR 30 2006 ...HEAVY SNOW AND STRONG WIND POSSIBLE FOR BIG ISLAND SUMMITS... .ALTHOUGH THE FULL POTENTIAL OF THE PRESENT SITUATION TO BRING HEAVY SNOW TO HIGHER ELEVATIONS OF THE BIG ISLAND HAS YET TO BE REALIZED...THE COMBINATION OF A COLD UPPER-LEVEL LOW WITH A SURFACE TROUGH AND PLENTIFUL ATMOSPHERIC MOISTURE THREATENS SIGNIFICANT WINTER WEATHER CONDITIONS THERE FROM FRIDAY INTO THE WEEKEND. ALTHOUGH SOME SNOW MAY FALL OVER HIGHER ELEVATIONS OF HALEAKALA...MOST PRECIPITATION THERE IS EXPECTED TOP FALL AS RAIN...PREVENTING MUCH SNOW ACCUMULATION. HIZ028-302215- /O.CAN.PHFO.WS.W.0003.000000T0000Z-060331T1600Z/ /O.NEW.PHFO.WS.A.0004.060330T1407Z-060401T0500Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 407 AM HST THU MAR 30 2006 ...WINTER STORM WARNING IS CANCELLED... ...WINTER STORM WATCH IN EFFECT THROUGH FRIDAY EVENING... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT THROUGH FRIDAY EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED. SNOW ACCUMULATION MAY REACH 6 TO 12 INCHES OVER THE WEEKEND... THOUGH LITTLE IS EXPECTED BEFORE FRIDAY AFTERNOON. A WINTER STORM WATCH MEANS THAT SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS MAY POSSIBLY OCCUR...MAKING TRAVEL UNSAFE. MONITOR THE LATEST FORECASTS FOR UPDATED INFORMATION. $$ RYSHKO