Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 21, NWS Honolulu, HI

May 5, 2012Kalawao County, Hawaii

NWS Honolulu, HI issued this wind advisory at May 5, 2012, 12:14 AM HST for Kalawao County, Hawaii. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 5, 2012, 12:14 AM HST (10:14 UTC)
Expired
May 5, 2012, 9:25 AM HST
In force
9 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 10:14 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, 10.2 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 00:00Z on 2012-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 00:00Z on 2012-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.1939Sfc1 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
58 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

807 
WWHW70 PHFO 051014
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
1214 AM HST SAT MAY 5 2012

...STRONG WINDS OVER HALEAKALA SUMMIT THIS MORNING...

.WINDS ARE STRONG AND GUSTY OVER THE SUMMIT THIS MORNING.
THE WINDS ARE EXPECTED TO DIMINISH TO BELOW ADVISORY LEVEL BY NOON TODAY.

HIZ022-052000-
/O.NEW.PHFO.WI.Y.0021.120505T1014Z-120505T2000Z/
HALEAKALA SUMMIT-
INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET
1214 AM HST SAT MAY 5 2012

...WIND ADVISORY IN EFFECT UNTIL 10 AM HST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM HST THIS MORNING. 

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

* TIMING...WINDS ARE EXPECTED TO SUBSIDE TO BELOW ADVISORY LEVEL
  BY 10 AM HST.

* 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
TO 45 MPH...ARE EXPECTED. MOTORISTS SHOULD USE EXTRA CAUTION.

&&

$$
LAU
2 follow-up statements
234 
WWHW70 PHFO 051324
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
324 AM HST SAT MAY 5 2012

...STRONG WINDS OVER HALEAKALA SUMMIT THIS MORNING...

.WINDS ARE STRONG AND GUSTY OVER THE SUMMIT THIS MORNING. THE
WINDS ARE EXPECTED TO DIMINISH TO BELOW ADVISORY LEVEL BY NOON
TODAY.

HIZ022-052000-
/O.CON.PHFO.WI.Y.0021.000000T0000Z-120505T2000Z/
HALEAKALA SUMMIT-
INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET
324 AM HST SAT MAY 5 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM HST THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM HST THIS MORNING. 

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

* TIMING...WINDS ARE EXPECTED TO SUBSIDE TO BELOW ADVISORY LEVEL 
  BY 10 AM HST TODAY. 

* 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
TO 45 MPH...ARE EXPECTED. MOTORISTS SHOULD USE EXTRA CAUTION.

&&

$$
LAU
748 
WWHW70 PHFO 051925
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
925 AM HST SAT MAY 5 2012

HIZ022-052030-
/O.CAN.PHFO.WI.Y.0021.000000T0000Z-120505T2000Z/
HALEAKALA SUMMIT-
INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET
925 AM HST SAT MAY 5 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE DROPPED BELOW ADVISORY LEVELS.

$$

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.