Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 3, NWS Honolulu, HI

February 4, 2012Hawaii County, Hawaii

NWS Honolulu, HI issued this wind advisory at Feb 4, 2012, 4:46 AM HST for Hawaii County, Hawaii. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Feb 4, 2012, 4:46 AM HST (14:46 UTC)
Expired
Feb 5, 2012, 10:14 AM HST
In force
29 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 14:50 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, 2.8 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 2012-02-04Temperature 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 12:00Z on 2012-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 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
787 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
110 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.

661 
WWHW70 PHFO 041446
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
446 AM HST SAT FEB 4 2012

...INCREASED WINDS OVER BIG ISLAND SUMMITS...

.THE DIFFERENCE BETWEEN WEAKENING HIGH PRESSURE ALOFT TO THE
NORTHWEST OF THE STATE AND LOW PRESSURE TO THE SOUTHEAST IS
PRODUCING STRONG WINDS OVER UPPER ELEVATIONS OF MAUNA KEA AND
MAUNA LOA. AS THE HIGH WEAKENS THROUGH THE DAY...THE WINDS SHOULD
DIMINISH BY TONIGHT.

HIZ028-050400-
/O.NEW.PHFO.WI.Y.0003.120204T1446Z-120205T0400Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
446 AM HST SAT FEB 4 2012

...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING...

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

* WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...STRONG WINDS TODAY SHOULD DIMINISH BY TONIGHT

* IMPACTS...WINDS THIS STRONG CAN BRING DOWN TREE BRANCHES AND 
  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. PLEASE DRIVE CAREFULLY.

&&

$$
4 follow-up statements
144 
WWHW70 PHFO 050137
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
337 PM HST SAT FEB 4 2012

...INCREASED WINDS OVER BIG ISLAND SUMMITS...

.A RIDGE ALOFT TO THE SOUTHWEST AND LOW PRESSURE ALOFT TO THE
NORTHEAST ARE COMBINING TO PRODUCE STRONG WINDS OVER UPPER
ELEVATIONS OF MAUNA KEA AND MAUNA LOA. THE WINDS WILL REMAIN
STRONG THROUGH SUNDAY EVENING.

HIZ028-051430-
/O.EXT.PHFO.WI.Y.0003.000000T0000Z-120206T0400Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
337 PM HST SAT FEB 4 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM HST SUNDAY...

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONG WINDS TODAY SHOULD DIMINISH BY SUNDAY EVENING.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL TO THE SUMMITS IF YOUR ACTIVITIES WILL BE ADVERSELY
IMPACTED BY THE STRONG WINDS.

&&

$$
DONALDSON
706 
WWHW70 PHFO 051328
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
328 AM HST SUN FEB 5 2012

...ISTRONG WINDS OVER BIG ISLAND SUMMITS...

.A RIDGE ALOFT TO THE SOUTHWEST AND LOW PRESSURE ALOFT TO THE
NORTHEAST ARE COMBINING TO PRODUCE STRONG WINDS OVER UPPER
ELEVATIONS OF MAUNA KEA AND MAUNA LOA. THE WINDS ARE EXPECTED
TO DIMINISH TO BELOW ADVISORY LEVEL BY THIS EVENING.

HIZ028-060230-
/O.CON.PHFO.WI.Y.0003.000000T0000Z-120206T0400Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
328 AM HST SUN FEB 5 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING. 

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

* TIMING...STRONG WINDS TODAY SHOULD DIMINISH BY THIS EVENING.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL TO THE SUMMITS IF YOUR ACTIVITIES WILL BE ADVERSELY
IMPACTED BY THE STRONG WINDS.

&&

$$
LAU
865 
WWHW70 PHFO 051340
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
340 AM HST SUN FEB 5 2012

...STRONG WINDS OVER BIG ISLAND SUMMITS...

.A RIDGE ALOFT TO THE SOUTHWEST AND LOW PRESSURE ALOFT TO THE
NORTHEAST ARE COMBINING TO PRODUCE STRONG WINDS OVER UPPER
ELEVATIONS OF MAUNA KEA AND MAUNA LOA. THE WINDS ARE EXPECTED TO
DIMINISH TO BELOW ADVISORY LEVEL BY THIS EVENING.

HIZ028-060245-
/O.CON.PHFO.WI.Y.0003.000000T0000Z-120206T0400Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
340 AM HST SUN FEB 5 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING. 

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

* TIMING...STRONG WINDS TODAY SHOULD DIMINISH BY THIS EVENING.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL TO THE SUMMITS IF YOUR ACTIVITIES WILL BE ADVERSELY
IMPACTED BY THE STRONG WINDS.

&&

$$
096 
WWHW70 PHFO 052014
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
1014 AM HST SUN FEB 5 2012

...STRONG WINDS OVER BIG ISLAND SUMMITS...

.A RIDGE ALOFT TO THE SOUTHWEST AND LOW PRESSURE ALOFT TO THE
NORTHEAST ARE COMBINING TO PRODUCE STRONG WINDS OVER UPPER
ELEVATIONS OF MAUNA KEA AND MAUNA LOA. STRONG WINDS ARE EXPECTED
TO CONTINUE THROUGH EARLY MONDAY MORNING.

HIZ028-060815-
/O.UPG.PHFO.WI.Y.0003.000000T0000Z-120206T0400Z/
/O.NEW.PHFO.HW.W.0001.120205T2014Z-120206T1600Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
1014 AM HST SUN FEB 5 2012

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM HST MONDAY...

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

* WINDS...WEST 40 TO 60 MPH WITH GUSTS UP TO 70 MPH.

* TIMING...THROUGH EARLY MONDAY MORNING

* IMPACTS...WINDS THIS STRONG CAN BE HAZARDOUS FOR DRIVERS AND
  HIKERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY OFF THE SUMMITS UNTIL THE WINDS SUBSIDE.

&&

$$
DONALDSON

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.