896  
WWHW40 PHFO 291311  
WSWHFO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE HONOLULU HI  
311 AM HST WED JAN 29 2025  
 
...WINTER WEATHER WATCH FOR THE SUMMITS OF MAUNA KEA AND MAUNA LOA  
LATE TONIGHT THROUGH FRIDAY MORNING...  
 
.A STRONG WINTER LOW PRESSURE SYSTEM WILL BRING THE POTENTIAL FOR  
SNOW AND ICE TO THE SUMMITS OF THE BIG ISLAND.  
 
HIZ022-291415-  
/O.CAN.PHFO.WS.A.0001.250130T1000Z-250131T1400Z/  
HALEAKALA SUMMIT-  
311 AM HST WED JAN 29 2025  
   
..WINTER STORM WATCH IS CANCELLED  
 
THE TEMPERATURES ARE FORECAST TO REMAIN ABOVE FREEZING AT THE SUMMIT.  
 
 
 
HIZ028-300215-  
/O.CON.PHFO.WS.A.0001.250130T1000Z-250131T2200Z/  
BIG ISLAND SUMMITS-  
311 AM HST WED JAN 29 2025  
 
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH  
FRIDAY MORNING...  
 
* WHAT...PERIODS OF HEAVY SNOW AND ICE ACCUMULATIONS. SNOW  
ACCUMULATIONS RANGING FROM 4 TO 8 INCHES POSSIBLE. A LIGHT GLAZE  
OF ICE IS ALSO POSSIBLE ON WET SURFACES AS TEMPERATURES DROP BELOW  
FREEZING.  
 
* WHERE...BIG ISLAND SUMMITS.  
 
* WHEN...FROM LATE TONIGHT THROUGH FRIDAY MORNING.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. BLOWING  
SNOW WILL SIGNIFICANTLY REDUCE VISIBILITY AT TIMES, WITH PERIODS  
OF ZERO VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A WINTER STORM WATCH MEANS THERE IS POTENTIAL FOR SIGNIFICANT SNOW  
OR ICE ACCUMULATIONS THAT MAY IMPACT THE SUMMITS. ANYONE PLANNING  
TRAVEL TO THE SUMMITS, INCLUDING HIKERS AND CAMPERS, SHOULD MONITOR  
THE LATEST FORECASTS AND CONSIDER POSTPONING THEIR TRIP UNTIL  
IMPROVED WEATHER RETURNS.  
 
 
 
 
 
AG  
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