Alert archive / Hawaii / Wind Advisories in 2012

Wind Advisory 41, NWS Honolulu, HI

December 10, 2012Hawaii County, Hawaii

NWS Honolulu, HI issued this wind advisory at Dec 10, 2012, 9:32 AM HST for Hawaii County, Hawaii. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2012, 9:32 AM HST (19:32 UTC)
Expired
Dec 10, 2012, 2:54 PM HST
In force
5 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 19:35 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, 7.5 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 2012-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 367 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 2012-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -45 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
367 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
662 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-45 m²/s²
0-3 km storm-relative helicity
-11 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.

811 
WWHW70 PHFO 101932
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
932 AM HST MON DEC 10 2012

...STRONG EAST-NORTHEAST WINDS TO IMPACT THE WAIK0LOA TO KAMUELA
CORRIDOR INTO THIS EVENING...

.HIGH PRESSURE BUILDING TO THE NORTH AND NORTHEAST OF THE STATE IS
STRENGTHENING TRADE WINDS ACROSS THE AREA. THE RIDGE...ALONG WITH
LOCAL TERRAIN INFLUENCES...WILL PRODUCE STRONG AND GUSTY SURFACE
WINDS.

HIZ025-026-110800-
/O.NEW.PHFO.WI.Y.0041.121210T1932Z-121211T0800Z/
BIG ISLAND NORTH AND EAST-KOHALA-
INCLUDING THE CITIES OF...HILO...VOLCANO...HONOKAA...KAMUELA...
WAIKOLOA
932 AM HST MON DEC 10 2012

...WIND ADVISORY IN EFFECT UNTIL 10 PM HST THIS EVENING...

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

* WINDS...EAST 25 TO 35 MPH WITH LOCALIZED GUSTS TO 45 MPH FROM
  WAIKOLOA TO KAMUELA.

* TIMING...THROUGH 10PM HST THIS EVENING.

* 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 SUSTAINED WINDS OF AT LEAST 30 MPH...
OR GUSTS OF AT LEAST 50 MPH...ARE EXPECTED. MOTORISTS SHOULD USE
EXTRA CAUTION.

&&

$$
1 follow-up statement
960 
WWHW70 PHFO 110054
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
254 PM HST MON DEC 10 2012


HIZ025-026-110200-
/O.CAN.PHFO.WI.Y.0041.000000T0000Z-121211T0800Z/
BIG ISLAND NORTH AND EAST-KOHALA-
INCLUDING THE CITIES OF...HILO...VOLCANO...HONOKAA...KAMUELA...
WAIKOLOA
254 PM HST MON DEC 10 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS IN THE AFFECTED AREA HAVE DROPPED BELOW ADVISORY CRITERIA.
SUSTAINED WINDS OF 15 TO 25 MPH ALONG WITH GUSTS TO 35 MPH WILL BE
POSSIBLE INTO THE EVENING HOURS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 3:58 AM HSTSmall Craft AdvisoryHFO13 days
Dec 10, 12:25 PM HSTRed Flag WarningHFO4 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.