Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 2, NWS Honolulu, HI

January 29, 2012Hawaii County, Kalawao County, Hawaii

NWS Honolulu, HI issued this wind advisory at Jan 29, 2012, 3:39 AM HST for Hawaii County, Kalawao County, Hawaii. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Jan 29, 2012, 3:39 AM HST (13:39 UTC)
Expired
Jan 30, 2012, 9:56 AM HST
In force
30 hr
Issued by
NWS Honolulu, HI

Counties Hawaii County, HI, Kalawao County, HI

The radar

The Kamuela/Kohala Apt radar (PHKM), 57 km from the middle of the area, began a volume at 13:40 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, 1.7 hours before the alert went out and 150 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 2012-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 joules per kilogram.LCLEL10008507005003002001001 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 2012-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
51 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
33 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.

761 
WWHW70 PHFO 291339
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
339 AM HST SUN JAN 29 2012

...STRONG WINDS OVER HIGHER ELEVATIONS...

.GROWING PRESSURE IN THE MIDDLE ATMOSPHERE TO THE NORTHWEST OF THE
ISLANDS...TOGETHER WITH A TROUGH ALOFT TO THE SOUTHEAST...WILL SPEED UP
WINDS OVER THE HIGHER PEAKS OF THE STATE.

HIZ022-028-300245-
/O.NEW.PHFO.WI.Y.0002.120129T1339Z-120130T2200Z/
HALEAKALA SUMMIT-BIG ISLAND SUMMITS-
INCLUDING THE CITIES OF...
HALEAKALA NATIONAL PARK ABOVE 6000 FEET...
MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
339 AM HST SUN JAN 29 2012

...WIND ADVISORY IN EFFECT UNTIL NOON HST MONDAY...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON HST MONDAY. 

* WINDS...EAST 25 TO 35 MPH WITH GUSTS OVER 50 MPH.

* TIMING...WINDS OVER MAUNA KEA AND MAUNA LOA HAVE SPED UP AND
  BECOME MORE GUSTY ALREADY...WHILE WINDS OVER HALEAKALA ARE
  EXPECTED TO SPEED UP THROUGH THE DAY TODAY. THESE STRONG WINDS
  WILL LAST AT LEAST THROUGH NOON ON MONDAY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
3 follow-up statements
005 
WWHW70 PHFO 300132
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
332 PM HST SUN JAN 29 2012

...STRONG EAST WINDS OVER HIGHER ELEVATIONS...

.A RIDGE ALOFT NORTHWEST OF THE ISLANDS WILL PRODUCE STRONG WINDS
OVER THE HIGH VOLCANO SUMMITS.

HIZ022-028-301430-
/O.CON.PHFO.WI.Y.0002.000000T0000Z-120130T2200Z/
HALEAKALA SUMMIT-BIG ISLAND SUMMITS-
INCLUDING THE CITIES OF...
HALEAKALA NATIONAL PARK ABOVE 6000 FEET...
MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
332 PM HST SUN JAN 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON HST MONDAY...

* WINDS...EAST 20 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONG WINDS WILL CONTINUE THROUGH MONDAY NOON.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL TO THE SUMMITS IF THE STRONG WINDS WILL CREATE
DIFFICULTIES FOR YOUR ACTIVITIES.

&&

$$
DONALDSON
930 
WWHW70 PHFO 301317
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
317 AM HST MON JAN 30 2012

...STRONG EAST WINDS OVER THE SUMMITS...

.A RIDGE ALOFT NORTHWEST OF THE ISLANDS CONTINUES TO BRING STRONG
WINDS OVER THE SUMMITS OF HALEAKALA...MAUNA LOA AND MAUNA KEA.

HIZ022-028-302200-
/O.CON.PHFO.WI.Y.0002.000000T0000Z-120130T2200Z/
HALEAKALA SUMMIT-BIG ISLAND SUMMITS-
INCLUDING THE CITIES OF...
HALEAKALA NATIONAL PARK ABOVE 6000 FEET...
MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
317 AM HST MON JAN 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON HST TODAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL NOON HST TODAY. 

* WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* TIMING...STRONG WINDS WILL CONTINUE THROUGH NOON.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL TO THE SUMMITS IF THE STRONG WINDS WILL CREATE
DIFFICULTIES FOR YOUR ACTIVITIES.

&&

$$
269 
WWHW70 PHFO 301956
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
956 AM HST MON JAN 30 2012


HIZ022-028-302100-
/O.CAN.PHFO.WI.Y.0002.000000T0000Z-120130T2200Z/
HALEAKALA SUMMIT-BIG ISLAND SUMMITS-
INCLUDING THE CITIES OF...
HALEAKALA NATIONAL PARK ABOVE 6000 FEET...
MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
956 AM HST MON JAN 30 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS AT THE SUMMITS OF MAUNA KEA...MAUNA LOA AND HALEAKALA HAVE
FALLEN BELOW ADVISORY CRITERIA AND ARE NOT EXPECTED TO STRENGTHEN.

$$

FOSTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 28, 3:44 PM HSTRed Flag WarningHFO48 hr

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.