Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 5, NWS Honolulu, HI

February 8, 2012Hawaii County, Hawaii

NWS Honolulu, HI issued this wind advisory at Feb 8, 2012, 3:39 PM HST for Hawaii County, Hawaii. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 8, 2012, 3:39 PM HST (01:39 UTC)
Expired
Feb 9, 2012, 3:40 AM HST
In force
12 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 01:42 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 00:00Z, 1.7 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 00:00Z on 2012-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2012-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1418 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
213 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.

913 
WWHW70 PHFO 090139
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
339 PM HST WED FEB 8 2012

...STRONG WINDS BEGIN TO DIMINISH...

.STRONG WESTERLY WINDS ACROSS THE BIG ISLAND SUMMITS HAVE STARTED
TO WEAKEN. AS AN UPPER LEVEL TROUGH NEAR THE BIG ISLAND MOVES
EAST...WINDS WILL QUICKLY DIMINISH TONIGHT AND THURSDAY. 

HIZ028-091445-
/O.CAN.PHFO.HW.W.0001.000000T0000Z-120209T0400Z/
/O.NEW.PHFO.WI.Y.0005.120209T0139Z-120209T1600Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
339 PM HST WED FEB 8 2012

...WIND ADVISORY IN EFFECT UNTIL 6 AM HST THURSDAY...
...HIGH WIND WARNING IS CANCELLED...

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

* WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...THROUGH TONIGHT.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY OFF THE SUMMITS UNTIL THE WINDS SUBSIDE.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH...WITH GUSTS
OVER 50 MPH...ARE EXPECTED. MOTORISTS SHOULD USE EXTRA CAUTION.

&&

$$

BRAVENDER
1 follow-up statement
557 
WWHW70 PHFO 091340
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
340 AM HST THU FEB 9 2012

...SUMMIT WINDS DIMINISHING...

.WIND SPEEDS OVER THE SUMMITS OF THE BIG ISLAND HAVE FALLEN TO
BELOW THE ADVISORY THRESHOLD.

HIZ028-091445-
/O.CAN.PHFO.WI.Y.0005.000000T0000Z-120209T1600Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
340 AM HST THU FEB 9 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE WIND
ADVISORY. 

OBSERVATIONS REPORTED SIGNIFICANTLY REDUCED WINDS OVER THE SUMMITS
OF MAUNA KEA AND MAUNA LOA. ALTHOUGH WIND SPEED NO LONGER EXCEEDED
ADVISORY CRITERIA...ISOLATED STRONGER GUSTS REMAIN POSSIBLE THROUGH
THE MORNING.

$$

Nearby

Wind Advisories in Hawaii, 2012Every wind advisory in 2012

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.