836
WWHW40 PHFO 211356
WSWHFO
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
356 AM HST SAT MAR 21 2026
...A WINTER STORM WATCH IS IN EFFECT FROM 6 PM HST THIS EVENING TO 6
PM HST SUNDAY FOR THE BIG ISLAND SUMMIMTS ABOVE 12000 FEET...
.A KONA STORM IS LIKELY TO BRING HEAVY SNOW AND STRONG WINDS TO THE
SUMMITS BEGINNING THIS EVENING AND LASTING THROUGH SUNDAY AFTERNOON.
HIZ028-220300-
/O.CON.PHFO.WS.A.0004.260322T0400Z-260323T0400Z/
BIG ISLAND SUMMITS-
356 AM HST SAT MAR 21 2026
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS UP TO 10
INCHES POSSIBLE. WINDS COULD GUST AS HIGH AS 70 MPH. LIGHT SNOW
MAY LINGER SUNDAY NIGHT INTO MONDAY.
* WHERE...BIG ISLAND SUMMITS OF MAUNA KEA AND MAUNA LOA.
* WHEN...FROM THIS EVENING THROUGH SUNDAY AFTERNOON.
* 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.
RCB
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