Alert archive / Hawaii / Wind Advisories in 2012
Wind Advisory 5, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Feb 8, 2012, 3:39 PM HST for Hawaii County, Hawaii. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Feb 8, 2012, 3:39 PM HST (01:39 UTC)
- Expired
- Feb 9, 2012, 3:40 AM HST
- In force
- 12 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 01:42 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 00:00Z, 1.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1418 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
913 WWHW70 PHFO 090139 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 339 PM HST WED FEB 8 2012 ...STRONG WINDS BEGIN TO DIMINISH... .STRONG WESTERLY WINDS ACROSS THE BIG ISLAND SUMMITS HAVE STARTED TO WEAKEN. AS AN UPPER LEVEL TROUGH NEAR THE BIG ISLAND MOVES EAST...WINDS WILL QUICKLY DIMINISH TONIGHT AND THURSDAY. HIZ028-091445- /O.CAN.PHFO.HW.W.0001.000000T0000Z-120209T0400Z/ /O.NEW.PHFO.WI.Y.0005.120209T0139Z-120209T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 339 PM HST WED FEB 8 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST THURSDAY... ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM HST THURSDAY. THE HIGH WIND WARNING HAS BEEN CANCELLED. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * TIMING...THROUGH TONIGHT. * IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY OFF THE SUMMITS UNTIL THE WINDS SUBSIDE. && 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. && $$ BRAVENDER
1 follow-up statement
557 WWHW70 PHFO 091340 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 340 AM HST THU FEB 9 2012 ...SUMMIT WINDS DIMINISHING... .WIND SPEEDS OVER THE SUMMITS OF THE BIG ISLAND HAVE FALLEN TO BELOW THE ADVISORY THRESHOLD. HIZ028-091445- /O.CAN.PHFO.WI.Y.0005.000000T0000Z-120209T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 340 AM HST THU FEB 9 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE WIND ADVISORY. OBSERVATIONS REPORTED SIGNIFICANTLY REDUCED WINDS OVER THE SUMMITS OF MAUNA KEA AND MAUNA LOA. ALTHOUGH WIND SPEED NO LONGER EXCEEDED ADVISORY CRITERIA...ISOLATED STRONGER GUSTS REMAIN POSSIBLE THROUGH THE MORNING. $$
Nearby
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.