Alert archive / Hawaii / Wind Advisories in 2012
Wind Advisory 20, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at May 3, 2012, 8:31 PM HST for Hawaii County, Kalawao County, Hawaii. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- May 3, 2012, 8:31 PM HST (06:31 UTC)
- Expired
- May 4, 2012, 3:32 PM HST
- In force
- 19 hr
- Issued by
- NWS Honolulu, HI
Counties Hawaii County, HI, Kalawao County, HI
The radar
The Kamuela/Kohala Apt radar (PHKM), 57 km from the middle of the area, began a volume at 06:34 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, 6.5 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
- 63 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
658 WWHW70 PHFO 040631 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 831 PM HST THU MAY 3 2012 ...STRONG WINDS OVER UPPER ELEVATIONS... .THE SHARP DIFFERENCE BETWEEN CENTERS OF HIGH AND LOW PRESSURE IN THE MIDDLE ATMOSPHERE OVER THE STATE IS BRINGING STRONG WINDS TO THE SUMMITS OF HALEAKALA...MAUNA KEA...AND MAUNA LOA. THE WINDS WILL DIMINISH AS THE LOW MOVES AWAY FROM FRIDAY INTO SATURDAY. HIZ022-028-041945- /O.NEW.PHFO.WI.Y.0020.120504T0631Z-120505T0400Z/ HALEAKALA SUMMIT-BIG ISLAND SUMMITS- INCLUDING THE CITIES OF... HALEAKALA NATIONAL PARK ABOVE 6000 FEET... MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 831 PM HST THU MAY 3 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 PM HST FRIDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST FRIDAY. * WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * TIMING...TONIGHT THROUGH MOST OF THE DAY FRIDAY. * 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 40 MPH...ARE EXPECTED. MOTORISTS SHOULD DRIVE CAREFULLY. && $$
3 follow-up statements
250 WWHW70 PHFO 041332 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 332 AM HST FRI MAY 4 2012 ...STRONG WINDS OVER UPPER ELEVATIONS... .THE SHARP DIFFERENCE BETWEEN CENTERS OF HIGH AND LOW PRESSURE IN THE MIDDLE ATMOSPHERE OVER THE STATE IS BRINGING STRONG WINDS TO THE SUMMITS OF HALEAKALA...MAUNA KEA...AND MAUNA LOA. THE WINDS WILL DIMINISH AS THE LOW MOVES AWAY FROM THIS EVENING INTO SATURDAY. HIZ022-028-050245- /O.CON.PHFO.WI.Y.0020.000000T0000Z-120505T0400Z/ HALEAKALA SUMMIT-BIG ISLAND SUMMITS- INCLUDING THE CITIES OF... HALEAKALA NATIONAL PARK ABOVE 6000 FEET... MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 332 AM HST FRI MAY 4 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING. * WINDS...EAST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * TIMING...THROUGH MOST OF THE DAY TODAY. * IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH-PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH...WITH GUSTS OVER 40 MPH...ARE EXPECTED. PLEASE DRIVE CAREFULLY. && $$
430 WWHW70 PHFO 041701 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 701 AM HST FRI MAY 4 2012 ...STRONG WINDS OVER HALEAKALA SUMMIT TODAY... .STRONG EASTERLY FLOW ALOFT WILL CONTINUE TO BRING GUSTY WINDS ACROSS THE HALEAKALA SUMMIT TODAY. THE WINDS WILL DIMINISH AS THE FLOW ALOFT DECREASES THIS EVENING INTO SATURDAY. HIZ028-041815- /O.CAN.PHFO.WI.Y.0020.000000T0000Z-120505T0400Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 701 AM HST FRI MAY 4 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DROPPED BELOW WIND ADVISORY LEVELS ON THE BIG ISLAND SUMMITS. $$ HIZ022-050230- /O.CON.PHFO.WI.Y.0020.000000T0000Z-120505T0400Z/ HALEAKALA SUMMIT- INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET 701 AM HST FRI MAY 4 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING. * WINDS...EAST WINDS 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * TIMING...THROUGH MOST OF THE DAY TODAY. * IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH-PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH...WITH GUSTS OVER 40 MPH...ARE EXPECTED. PLEASE DRIVE CAREFULLY. && $$ BRENCHLEY
900 WWHW70 PHFO 050132 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 332 PM HST FRI MAY 4 2012 HIZ022-050245- /O.CAN.PHFO.WI.Y.0020.000000T0000Z-120505T0400Z/ HALEAKALA SUMMIT- INCLUDING THE CITY OF...HALEAKALA NATIONAL PARK ABOVE 6000 FEET 332 PM HST FRI MAY 4 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE WIND ADVISORY. WINDS HAVE DROPPED BELOW ADVISORY LEVELS ON HALEAKALA SUMMIT. $$
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.