Alert archive / Hawaii / Wind Advisories in 2012
Wind Advisory 31, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Aug 7, 2012, 12:06 PM HST for Hawaii County, Hawaii. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Aug 7, 2012, 12:06 PM HST (22:06 UTC)
- Expired
- Aug 8, 2012, 3:27 AM HST
- In force
- 15 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 22:08 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, 10.1 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.
- Mixed-layer CAPE
- 37 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 842 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
388 WWHW70 PHFO 072206 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 1206 PM HST TUE AUG 7 2012 ...LOCALLY WINDY CONDITIONS OVER THE BIG ISLAND SUMMITS... .SURFACE OBSERVATIONS OVER THE BIG ISLAND SUMMITS INDICATE THAT WINDS HAVE REACHED ADVISORY LEVELS. THESE STRONGER WINDS ARE EXPECTED TO LINGER THROUGH TONIGHT. HIZ028-081115- /O.NEW.PHFO.WI.Y.0031.120807T2206Z-120808T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 1206 PM HST TUE AUG 7 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM HST WEDNESDAY. * WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * TIMING...THIS AFTERNOON THROUGH TONIGHT. * IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. 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. && $$ BURKE/REYNES
2 follow-up statements
493 WWHW70 PHFO 080202 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 402 PM HST TUE AUG 7 2012 ...LOCALLY WINDY CONDITIONS OVER THE BIG ISLAND SUMMITS... .SURFACE OBSERVATIONS OVER THE BIG ISLAND SUMMITS CONTINUE TO INDICATE WINDS AT ADVISORY LEVELS. THESE STRONG WINDS ARE EXPECTED TO LINGER THROUGH TONIGHT. HIZ028-081515- /O.CON.PHFO.WI.Y.0031.000000T0000Z-120808T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 402 PM HST TUE AUG 7 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST WEDNESDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST WEDNESDAY. * WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * TIMING...THROUGH TONIGHT. * IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH...WITH GUSTS OVER 50 MPH...ARE EXPECTED. MOTORISTS SHOULD USE EXTRA CAUTION. && $$ REYNES/BURKE
234 WWHW70 PHFO 081327 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 327 AM HST WED AUG 8 2012 HIZ028-081430- /O.CAN.PHFO.WI.Y.0031.000000T0000Z-120808T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 327 AM HST WED AUG 8 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE WIND ADVISORY. OBSERVATIONS AT THE BIG ISLAND SUMMIT SHOW THAT WINDS HAVE DECREASED BELOW ADVISORY LEVEL OVERNIGHT...WITH A CONTINUED DECREASING TREND NOTED AS OF 3 AM HST. THE WIND ADVISORY IS THEREFORE CANCELLED. $$ POWELL
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 9:05 PM HST | Small Craft Advisory | HFO | 4 days |
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.