263  
WWHW40 PHFO 301315  
WSWHFO  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE HONOLULU HI  
315 AM HST THU JAN 30 2025  
 
...WINTER STORM WARNING FOR THE SUMMITS OF MAUNA KEA AND MAUNA LOA  
FROM NOON TODAY THROUGH 6 AM SATURDAY...  
 
.A STRONG WINTER LOW PRESSURE SYSTEM WILL BRING PERIODS OF HEAVY  
SNOW TO THE SUMMITS OF THE BIG ISLAND LATER TODAY THROUGH FRIDAY  
NIGHT.  
 
HIZ028-310400-  
/O.UPG.PHFO.WS.A.0001.250130T1600Z-250131T2200Z/  
/O.NEW.PHFO.WS.W.0001.250130T2200Z-250201T1600Z/  
BIG ISLAND SUMMITS-  
315 AM HST THU JAN 30 2025  
 
...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM HST  
SATURDAY...  
 
* WHAT...HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 12 TO 24  
INCHES. WINDS GUSTING AS HIGH AS 85 MPH WILL RESULT IN  
CONSIDERABLE BLOWING AND DRIFTING OF THE SNOW.  
 
* WHERE...BIG ISLAND SUMMITS.  
 
* WHEN...FROM NOON TODAY TO 6 AM HST SATURDAY.  
 
* 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 WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, SLEET, AND  
ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS  
WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. ANY TRAVEL PLANS TO  
THE SUMMITS SHOULD BE POSTPONED UNTIL THE THREAT DIMINISHES.  
 

 
 

 
 
JELSEMA  
 
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