Alert archive / Hawaii / Wind Advisories in 2017

Wind Advisory 4, NWS Honolulu, HI

January 16, 2017Hawaii County, Hawaii

NWS Honolulu, HI issued this wind advisory at Jan 16, 2017, 9:05 AM HST for Hawaii County, Hawaii. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2017, 9:05 AM HST (19:05 UTC)
Expired
Jan 16, 2017, 3:36 PM HST
In force
7 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 19:07 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 2017-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2017-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

348 
WWHW70 PHFO 161905
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
905 AM HST MON JAN 16 2017

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

.AN UPPER LEVEL RIDGE BUILDING NORTH OF THE ISLANDS HAS INCREASED
WINDS OVER THE BIG ISLAND SUMMITS. THE STRONG WINDS ARE EXPECTED
TO CONTINUE THROUGH AT LEAST TUESDAY.

HIZ028-170815-
/O.NEW.PHFO.WI.Y.0004.170116T1905Z-170118T0400Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
905 AM HST MON JAN 16 2017

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

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

* TIMING...THROUGH TUESDAY.

* WINDS...EAST WINDS 40 TO 55 MPH WITH GUSTS TO 65 MPH.

* IMPACTS...STRONG WINDS WILL MAKE DRIVING VERY DANGEROUS. THESE 
  WINDS CAN SLAM DOORS OPEN OR CLOSED FORCEFULLY ENOUGH TO CAUSE 
  DAMAGE OR INJURIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY FOR THE SUMMITS MEANS THAT SUSTAINED WINDS OF AT
LEAST 45 MPH...OR GUSTS OF AT LEAST 55 MPH...ARE EXPECTED.
MOTORISTS SHOULD USE EXTRA CAUTION.

&&

$$

MORRISON
1 follow-up statement
474 
WWHW70 PHFO 170136
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
336 PM HST MON JAN 16 2017

...HIGH WIND WARNING FOR THE BIG ISLAND SUMMITS...

.AN UPPER LEVEL RIDGE BUILDING NORTH OF THE ISLANDS HAS INCREASED
WINDS OVER THE BIG ISLAND SUMMITS. THE STRONG WINDS ARE EXPECTED
TO CONTINUE THROUGH AT LEAST TUESDAY.

HIZ028-171445-
/O.UPG.PHFO.WI.Y.0004.000000T0000Z-170118T0400Z/
/O.NEW.PHFO.HW.W.0002.170117T0136Z-170118T0400Z/
BIG ISLAND SUMMITS-
INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET
336 PM HST MON JAN 16 2017

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM HST TUESDAY...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 PM HST TUESDAY. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...THROUGH TUESDAY.

* WINDS...EAST WINDS 45 TO 60 MPH WITH GUSTS TO 70 MPH.

* IMPACTS...STRONG WINDS WILL MAKE DRIVING AND HIKING VERY
  DANGEROUS. THESE WINDS CAN SLAM DOORS OPEN OR CLOSED FORCEFULLY
  ENOUGH TO CAUSE DAMAGE OR INJURIES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS THAT WINDS AT THE SUMMITS ARE EXPECTED
TO BE AT LEAST 56 MPH...WITH GUSTS OVER 66 MPH. TAKE NECESSARY
PRECAUTIONS TO PROTECT PROPERTY. TRAVEL TO THE SUMMIT AREAS SHOULD
BE DELAYED UNTIL WINDS SUBSIDE.

&&

$$

MORRISON

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 15, 3:26 PM HSTSmall Craft AdvisoryHFO6 days

Nearby

Wind Advisories in Hawaii, 2017Every wind advisory in 2017

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.