Alert archive / Hawaii / Wind Advisories in 2011

Wind Advisory 21, NWS Honolulu, HI

July 8, 2011Hawaii County, Hawaii

NWS Honolulu, HI issued this wind advisory at Jul 8, 2011, 9:06 AM HST for Hawaii County, Hawaii. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jul 8, 2011, 9:06 AM HST (19:06 UTC)
Expired
Jul 9, 2011, 3:31 AM HST
In force
18 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 19:10 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, 7.1 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 2011-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 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 2011-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
77 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
872 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
221 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.

275 
WWHW70 PHFO 081906
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
906 AM HST FRI JUL 8 2011

...WIND ADVISORY FOR BIG ISLAND SUMMITS...

.DEEP LAYERED TRADE WIND FLOW WILL PRODUCE STRONG WINDS ACROSS
THE BIG ISLAND SUMMITS.

HIZ028-090315-
/O.NEW.PHFO.WI.Y.0021.110708T1906Z-110709T1600Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
906 AM HST FRI JUL 8 2011

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

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

* WINDS...NORTHEAST 30 TO 40 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THROUGH EARLY SATURDAY MORNING.

* IMPACTS...STRONG AND GUSTY WINDS THAT CAN MAKE DRIVING DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

FOSTER
2 follow-up statements
940 
WWHW70 PHFO 090128
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
328 PM HST FRI JUL 8 2011

...WIND ADVISORY FOR BIG ISLAND SUMMITS...

.DEEP LAYERED TRADE WIND FLOW WILL PRODUCE STRONG WINDS ACROSS
THE BIG ISLAND SUMMITS.

HIZ028-090930-
/O.CON.PHFO.WI.Y.0021.000000T0000Z-110709T1600Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
328 PM HST FRI JUL 8 2011

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

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY. 

* WINDS...EAST 30 TO 40 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...THROUGH EARLY SATURDAY MORNING.

* IMPACTS...STRONG AND GUSTY WINDS THAT CAN MAKE DRIVING DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

FOSTER
324 
WWHW70 PHFO 091331
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
331 AM HST SAT JUL 9 2011


HIZ028-091445-
/O.CAN.PHFO.WI.Y.0021.000000T0000Z-110709T1600Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
331 AM HST SAT JUL 9 2011

...WIND ADVISORY IS CANCELLED...

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

WINDS ON THE BIG ISLAND SUMMITS HAVE DIMINISHED OVERNIGHT...AND
HAVE NOW DROPPED BELOW THE WIND ADVISORY CRITERIA.

$$

HOUSTON

Nearby

Wind Advisories in Hawaii, 2011Every wind advisory in 2011

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.