Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 12, NWS Honolulu, HI

March 15, 2012Kalawao County, Hawaii

NWS Honolulu, HI issued this wind advisory at Mar 15, 2012, 3:29 AM HST for Kalawao County, Hawaii. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Mar 15, 2012, 3:29 AM HST (13:29 UTC)
Expired
Mar 16, 2012, 3:40 AM HST
In force
24 hr
Issued by
NWS Honolulu, HI

County Kalawao County, HI

The radar

The Molokai radar (PHMO), 24 km from the middle of the area, began a volume at 13:29 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, 1.5 hours before the alert went out and 261 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 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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 2012-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
61 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
55 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.

876 
WWHW70 PHFO 151329
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
329 AM HST THU MAR 15 2012

...WIND ADVISORY IN EFFECT FOR HALEAKALA SUMMIT...

.STRENGTHENING HIGH PRESSURE NORTH OF THE STATE HAS RESULTED IN
THE STRENGTHENING OF THE TRADE WINDS AT THE SUMMIT LEVEL OF HALEAKALA.
THIS BLUSTERY CONDITION WILL PERSIST INTO FRIDAY.

HIZ022-160230-
/O.NEW.PHFO.WI.Y.0012.120315T1329Z-120317T0400Z/
HALEAKALA SUMMIT-
INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET
329 AM HST THU MAR 15 2012

...WIND ADVISORY IN EFFECT UNTIL 6 PM HST FRIDAY...

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

* WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONG AND GUSTY TRADES WILL PERSIST INTO FRIDAY.

* IMPACTS...WINDS THIS STRONG WILL 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 USE EXTRA CAUTION.

&&

$$
LAU
2 follow-up statements
271 
WWHW70 PHFO 160133
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
333 PM HST THU MAR 15 2012

...WIND ADVISORY IN EFFECT FOR HALEAKALA SUMMIT...

.STRONG EASTERLY TRADE WINDS WILL AFFECT HALEAKALA SUMMIT.

HIZ022-161445-
/O.EXT.PHFO.WI.Y.0012.000000T0000Z-120317T1600Z/
HALEAKALA SUMMIT-
INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET
333 PM HST THU MAR 15 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM HST SATURDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 AM HST SATURDAY. 

* WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...STRONG AND GUSTY TRADES WILL PERSIST THROUGH FRIDAY
  NIGHT.

* IMPACTS...WINDS THIS STRONG WILL 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 USE EXTRA CAUTION.

&&

$$

DEJESUS
715 
WWHW70 PHFO 161340
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
340 AM HST FRI MAR 16 2012

HIZ022-161445-
/O.CAN.PHFO.WI.Y.0012.000000T0000Z-120317T1600Z/
HALEAKALA SUMMIT-
INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET
340 AM HST FRI MAR 16 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE DIMINISHED...AND A WIND ADVISORY IS NO LONGER NEEDED.

$$

CRAIG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 3:30 AM HSTSmall Craft AdvisoryHFO3 days

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.