Alert archive / Hawaii / High Wind Warnings in 2014

High Wind Warning 13, NWS Honolulu, HI

December 25, 2014Hawaii County, Hawaii

NWS Honolulu, HI issued this high wind warning at Dec 25, 2014, 2:41 AM HST for Hawaii County, Hawaii. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 25, 2014, 2:41 AM HST (12:41 UTC)
Expired
Dec 25, 2014, 9:16 AM HST
In force
7 hr
Issued by
NWS Honolulu, HI

County Hawaii County, HI

The radar

The South Shore radar (PHWA), 57 km from the middle of the area, began a volume at 12:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Hilo, (PITO), launched 12:00Z, 0.7 hours before the alert went out and 56 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Hilo, at 12:00Z on 2014-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Hilo, at 12:00Z on 2014-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
11 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
337 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

234 
WWHW70 PHFO 251241
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
241 AM HST THU DEC 25 2014

...DANGEROUSLY STRONG WINDS WILL CONTINUE AT THE BIG ISLAND 
SUMMITS...

.AN UPPER LEVEL TROUGH WILL KEEP BRINGING VERY STRONG WINDS AT
SUMMIT ELEVATIONS THROUGH TODAY.

HIZ028-260200-
/O.NEW.PHFO.HW.W.0013.141225T1241Z-141226T0400Z/
BIG ISLAND SUMMITS-
241 AM HST THU DEC 25 2014

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM HST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 PM HST THIS EVENING. 

* WINDS...SOUTHWEST 40 TO 60 MPH WITH LOCALIZED GUSTS OVER 70
  MPH.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* IMPACTS...WINDS THIS STRONG CAN RESULT IN PROPERTY DAMAGE AND
  CAN MAKE TRAVEL TO THE SUMMITS EXTREMELY DANGEROUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL TO THE SUMMITS SHOULD BE AVOIDED UNTIL CONDITIONS IMPROVE.

&&

$$

REYNES
1 follow-up statement
568 
WWHW70 PHFO 251916
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
916 AM HST THU DEC 25 2014

...WIND ADVISORY FOR THE BIG ISLAND SUMMITS...

.WINDS CONTINUE TO EASE OVER THE BIG ISLAND SUMMITS THIS
MORNING...THOUGH WILL REMAIN STRONG ENOUGH TO REACH THE ADVISORY
LEVEL THROUGH THIS EVENING.

HIZ028-260400-
/O.CAN.PHFO.HW.W.0013.000000T0000Z-141226T0400Z/
/O.NEW.PHFO.WI.Y.0035.141225T1916Z-141226T0400Z/
BIG ISLAND SUMMITS-
916 AM HST THU DEC 25 2014

...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST THIS EVENING. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

* WINDS...WEST 35 TO 50 MPH WITH LOCALIZED GUSTS OVER 60 MPH.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* IMPACTS...MOTORISTS...ESPECIALLY THOSE IN HIGH PROFILE
  VEHICLES...ARE URGED TO DRIVE WITH EXTREME CAUTION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF AT LEAST 45 MPH...
OR GUSTS OF AT LEAST 55 MPH...ARE EXPECTED. MOTORISTS SHOULD USE
EXTRA CAUTION.

&&

$$

The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 24, 6:55 PM HSTAreal Flood AdvisoryHFOHonolulu2 hr
Dec 25, 9:16 AM HSTWind AdvisoryHFOHawaii6 hr

Nearby

High Wind Warnings in Hawaii, 2014Every high wind warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.