Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 29, NWS Honolulu, HI

July 8, 2012Hawaii County, Hawaii

NWS Honolulu, HI issued this wind advisory at Jul 8, 2012, 12:30 PM HST for Hawaii County, Hawaii. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 8, 2012, 12:30 PM HST (22:30 UTC)
Expired
Jul 8, 2012, 6:55 PM HST
In force
6 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 22:32 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, 10.5 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 2012-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 12:00Z on 2012-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
31 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
620 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-40 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.

635 
WWHW70 PHFO 082230
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
1230 PM HST SUN JUL 8 2012

...STRONG WINDS EXPECTED THROUGH THIS EVENING FOR WAIKOLOA AND
KAMUELA AREAS...

.STRONG WINDS WILL REACH ADVISORY LEVELS FROM KAMUELA DOWN TO
WAIKOLOA.

HIZ026-090600-
/O.NEW.PHFO.WI.Y.0029.120708T2230Z-120709T0600Z/
KOHALA-
INCLUDING THE CITY OF...WAIKOLOA
1230 PM HST SUN JUL 8 2012

...WIND ADVISORY IN EFFECT UNTIL 8 PM HST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM HST THIS EVENING. 

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

* TIMING...THROUGH 8 PM HST THIS EVENING.

* IMPACTS...DRIVING WILL BE DIFFICULT DUE TO STRONG GUSTS AND
  BLOWING DUST ALONG QUEEN KAAHUMANU HIGHWAY...MAMALAHOA
  HIGHWAY...KAWAIHAE ROAD AND WAIKOLOA ROAD.

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.

&&

$$

FOSTER
2 follow-up statements
739 
WWHW70 PHFO 090111
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
311 PM HST SUN JUL 8 2012

...STRONG WINDS EXPECTED THROUGH THIS EVENING FOR WAIKOLOA AND
KAMUELA AREAS...

.STRONG WINDS WILL REACH ADVISORY LEVELS FROM KAMUELA DOWN TO
WAIKOLOA.

HIZ026-090600-
/O.CON.PHFO.WI.Y.0029.000000T0000Z-120709T0600Z/
KOHALA-
INCLUDING THE CITY OF...WAIKOLOA
311 PM HST SUN JUL 8 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM HST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM HST THIS EVENING. 

* WINDS...NORTHEAST 25 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THROUGH 8 PM HST THIS EVENING.

* IMPACTS...DRIVING WILL BE DIFFICULT DUE TO STRONG GUSTS AND 
  BLOWING DUST ALONG QUEEN KAAHUMANU HIGHWAY...MAMALAHOA 
  HIGHWAY...KAWAIHAE ROAD AND WAIKOLOA ROAD. 

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.

&&

$$

FOSTER
191 
WWHW70 PHFO 090455
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
655 PM HST SUN JUL 8 2012

HIZ026-090600-
/O.CAN.PHFO.WI.Y.0029.000000T0000Z-120709T0600Z/
KOHALA-
INCLUDING THE CITY OF...WAIKOLOA
655 PM HST SUN JUL 8 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS HAVE DIMINISHED FOR NOW.

$$

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.