Alert archive / Hawaii / Wind Advisories in 2005
Wind Advisory 1, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Dec 13, 2005, 4:54 AM HST for Hawaii County, Kalawao County, Hawaii. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Dec 13, 2005, 4:54 AM HST (14:54 UTC)
- Expired
- Dec 13, 2005, 4:00 PM HST
- In force
- 11 hr
- Issued by
- NWS Honolulu, HI
Counties Hawaii County, HI, Kalawao County, HI
The nearest sounding before it
Hilo, (PITO), launched 12:00Z, 2.9 hours before the alert went out and 150 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.
- Mixed-layer CAPE
- 545 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- -55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWHW70 PHFO 131454 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 454 AM HST TUE DEC 13 2005 ...STRONG WINDS ARE OCCURRING AT HIGH ELEVATIONS... .OBSERVATIONS FROM MOUNT HALEAKALA ON MAUI SHOW SUSTAINED WINDS JUST ABOVE 30 MPH. WHILE WINDS THIS STRONG ARE NOT OCCURRING YET ON THE BIG ISLAND...THEY WILL LATER THIS MORNING WHEN AN UPPER TROUGH PASSES BY. WINDS ACROSS THE SUMMITS AND HIGHER ELEVATIONS SHOULD DIMINISH BY THIS EVENING. HIZ022-027-028-140200- /X.NEW.PHFO.WI.Y.0001.051213T1454Z-051214T0200Z/ HALEAKALA SUMMIT-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 454 AM HST TUE DEC 13 2005 ...WIND ADVISORY IN EFFECT UNTIL 4 PM HST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM HST THIS AFTERNOON. A WIND ADVISORY MEANS THAT STRONG WINDS OF 30 MPH ARE OCCURRING OR ARE EXPECTED SOON. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ POWELL
3 follow-up statements
000 WWHW70 PHFO 131740 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 740 AM HST TUE DEC 13 2005 ...LOCALLY STRONG AND GUSTY TRADE WINDS WILL CONTINUE AROUND MAUI AND THE BIG ISLAND... .HIGH PRESSURE TO THE NORTH WILL CAUSE LOCAL ADVISORY LEVEL WINDS IN EXCESS OF 30 MPH TODAY. HIZ025-026-140200- /X.EXB.PHFO.WI.Y.0001.051213T1800Z-051214T0200Z/ BIG ISLAND NORTH AND EAST-KOHALA- 740 AM HST TUE DEC 13 2005 ...WIND ADVISORY IN EFFECT UNTIL 4 PM HST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY. SUSTAIND WINDS OF 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED AROUND UPOLU POINT AND KAWAIHAE TODAY. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ HIZ022-027-028-140200- /X.CON.PHFO.WI.Y.0001.000000T0000Z-051214T0200Z/ HALEAKALA SUMMIT-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 740 AM HST TUE DEC 13 2005 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM HST THIS AFTERNOON... SUSTAINED WINDS OF 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED OVER THE SUMMITS OF MAUNA LOA...MAUNA KEA...AND HALEAKALA...AS WELL AS THE BIG ISLAND INTERIOR TODAY. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWHW70 PHFO 131756 CCA NPWHFO URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE HONOLULU HI 740 AM HST TUE DEC 13 2005 ...LOCALLY STRONG AND GUSTY TRADE WINDS WILL CONTINUE AROUND MAUI AND THE BIG ISLAND... .HIGH PRESSURE TO THE NORTH WILL CAUSE LOCAL ADVISORY LEVEL WINDS IN EXCESS OF 30 MPH TODAY. HIZ025-026-140200- /X.EXB.PHFO.WI.Y.0001.051213T1800Z-051214T0200Z/ BIG ISLAND NORTH AND EAST-KOHALA- 740 AM HST TUE DEC 13 2005 ...WIND ADVISORY IN EFFECT UNTIL 4 PM HST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY. SUSTAINED WINDS OF 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED AROUND UPOLU POINT AND KAWAIHAE TODAY. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ HIZ022-027-028-140200- /X.CON.PHFO.WI.Y.0001.000000T0000Z-051214T0200Z/ HALEAKALA SUMMIT-BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 740 AM HST TUE DEC 13 2005 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM HST THIS AFTERNOON... SUSTAINED WINDS OF 30 MPH WITH GUSTS TO 50 MPH ARE EXPECTED OVER THE SUMMITS OF MAUNA LOA...MAUNA KEA...AND HALEAKALA...AS WELL AS THE BIG ISLAND INTERIOR TODAY. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWHW70 PHFO 140142 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 342 PM HST TUE DEC 13 2005 ...LOCALLY STRONG AND GUSTY TRADES WILL DIMINISH THIS EVENING... .AS HIGH PRESSURE TO THE NORTH WEAKENS AND MOVES AWAY OVERNIGHT... THE GUSTY TRADES WILL GRADUALLY DIMINISH. HIZ022-025>028-140245- /X.EXP.PHFO.WI.Y.0001.000000T0000Z-051214T0200Z/ HALEAKALA SUMMIT-BIG ISLAND NORTH AND EAST-KOHALA- BIG ISLAND INTERIOR-BIG ISLAND SUMMITS- 342 PM HST TUE DEC 13 2005 ...WIND ADVISORY WILL EXPIRE AT 4 PM HST THIS AFTERNOON... WINDS ARE EXPECTED TO DECREASE BELOW ADVISORY LEVELS THIS EVENING. $$
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before this wind advisory went out at Dec 13, 4:00 AM HST, 54 minutes earlier.
Area forecast discussion, Dec 13, 4:00 AM HST, 54 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
400 AM HST TUE DEC 13 2005
.SYNOPSIS...
A TROUGH DEVELOPING NORTHWEST OF THE MAIN HAWAIIAN ISLANDS WILL PUSH
THE SUBTROPICAL RIDGE OVER...THEN SOUTH OF THE ALOHA STATE THURSDAY
AND FRIDAY. TRADE WINDS WILL THEN BE REPLACED BY WESTERLIES FROM
FRIDAY THROUGH NEXT WEEKEND AND INTO NEXT WEEK. A COLD FRONT WILL
REACH THE ISLANDS SUNDAY.
&&
.DISCUSSION...
TRADES REMAIN BREEZY THIS MORNING...THANKS TO A STEEP PRESSURE
GRADIENT BETWEEN THE SUBTROPICAL RIDGE TO OUR NORTH AND EQUATORIAL
LOW PRESSURE TO OUR SOUTH. CLOUD COVER IS GENERALLY SPARSE ACROSS
HAWAIIAN WATERS...BUT THERE ARE BROKEN LOW CLOUDS ACROSS PORTIONS OF
MAUI AND THE BIG ISLAND. LOW CLOUDS SOUTHEAST OF OAHU ARE NOTICEABLY
COOLER-TOPPED AND MORE UNSTABLE IN APPEARANCE THAN THOSE FARTHER
TOWARDS THE NORTHWEST. AN UPPER TROUGH ACROSS KAUAI AND OAHU NOTED
IN WATER VAPOR IMAGERY IS THE LIKELY CAUSE OF THIS. OVERNIGHT
SOUNDINGS SHOW THE ATMOSPHERE HAS DESTABILIZED...WITH A 500 MB
TEMPERATURE OF -15 DEGREES C OVER LIHUE AND STEADY COOLING NOTED
ABOVE 700 MB. HOWEVER...THE UPPER TROUGH IS MOVING RAPIDLY TOWARDS
THE SOUTHEAST AND MOISTURE CONTENT IS LOW...SO POPS WILL LIKELY STAY
RATHER LOW THROUGH WEDNESDAY...ESPECIALLY FOR THE SMALLER ISLANDS.
THERE IS LITTLE FORECAST PHILOSOPHY CHANGE FROM SEVEN HOURS AGO. A
1024 MB HIGH...PART OF THE SUBTROPICAL RIDGE AND 600 MILES NORTH OF
KAUAI...WILL MOVE EAST STEADILY THROUGH THE FORECAST PERIOD. LATEST
GFS75 SHOWS A DEEP TROUGH FORECAST TO DEVELOP NORTHWEST OF THE
ISLANDS WILL BEGIN DIGGING BETWEEN 140W AND 170W ON
WEDNESDAY...DISPLACING THE RIDGE SOUTHWARD. THE RIDGE WILL PASS OVER
THE ISLANDS THURSDAY AND EARLY FRIDAY BEFORE SETTLING JUST SOUTH OF
THE ISLANDS LATE FRIDAY. TRADE FLOW WILL WEAKEN WEDNESDAY...WITH
WINDS EXPECTED TO BECOME LIGHT AND VARIABLE THURSDAY THROUGH LATE
FRIDAY. THE WESTERN ISLANDS WILL BEGIN TO SEE WESTERLIES LATE
FRIDAY...WITH THE REST OF THE STATE EXPECTED TO LANGUISH IN LIGHT
WINDS INTO EARLY SATURDAY. BY LATE SATURDAY...ALL OF THE MAIN
ISLANDS WILL SEE MODERATE WEST TO SOUTHWEST WINDS. GFS ALSO DEPICTS
A COLD FRONT REACHING KAUAI SUNDAY MORNING...PASSING ALL THE WAY
ACROSS THE STATE BEFORE STALLING AND DISSIPATING NEAR THE BIG ISLAND
MONDAY MORNING. THIS FRONT WILL BRING INCREASED SHOWERS AND AN
ABRUPT CHANGE IN WIND FLOW TO NORTHWESTERLIES THROUGH SUNDAY AND
MONDAY.
&&
.MARINE...
TRADES HAVE STRENGTHENED SUFFICIENTLY ACROSS HAWAIIAN WATERS TO
PROMPT EXPANSION OF SMALL CRAFT ADVISORIES TO KAUAI NORTHWEST
WATERS...OAHU LEEWARD WATERS AND MAALAEA BAY DURING THE DAYTIME
HOURS TODAY. THE ALENUIHAHA CHANNEL AS INCLUDED IN THE ADVISORY AREA
AT MIDNIGHT.
LARGE NORTHWEST SWELL GENERATED BY THE COMPLEX LOW TO OUR NORTH
WILL REACH HAWAII AS EARLY AS THURSDAY NIGHT...AND LAST INTO THE
FIRST HALF OF NEXT WEEK. SWELL HEIGHTS CALCULATED BY THE WAVE WATCH
III MODEL VARY FROM RUN TO RUN...BUT WILL LIKELY BE HIGH ENOUGH TO
PUT ADVISORY LEVEL SURF ON OUR NORTH AND WEST FACING SHORES...AND
PERHAPS WARNING LEVEL SURF THIS WEEKEND.
&&
.HFO WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY...PAILOLO AND ALENUIHAHA CHANNELS...MAALAEA BAY
AND WATERS SOUTH OF THE BIG ISLAND FOR STRONG
TRADE WINDS.
&&
POWELLNearby
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.