Alert archive / Hawaii / Wind Advisories in 2009
Wind Advisory 21, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Apr 18, 2009, 3:13 AM HST for Hawaii County, Hawaii. It was in force for 42 hr.
The area
The counties it named.
The facts
- Issued
- Apr 18, 2009, 3:13 AM HST (13:13 UTC)
- Expired
- Apr 19, 2009, 9:11 PM HST
- In force
- 42 hr
- Issued by
- NWS Honolulu, HI
County Hawaii County, HI
The nearest sounding before it
Hilo, (PITO), launched 12:00Z, 1.2 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
- 14 J/kg
- Mixed-layer CIN
- -308 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 40 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 181313 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 313 AM HST SAT APR 18 2009 HIZ028-190215- /O.NEW.PHFO.WI.Y.0021.090418T1313Z-090419T2000Z/ BIG ISLAND SUMMITS- 313 AM HST SAT APR 18 2009 ...WIND ADVISORY IN EFFECT UNTIL 10 AM HST SUNDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM HST SUNDAY. WIND SENSORS AT BOTH SUMMITS HAVE WINDS AT AROUND THE WIND ADVISORY THRESHOLD OF 30 MPH THIS MORNING. FORECAST MODELS SUGGEST PERIODS OF STRONG WINDS TO PERSIST THROUGH TONIGHT AND INTO SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ H LAU
4 follow-up statements
000 WWHW70 PHFO 190142 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 342 PM HST SAT APR 18 2009 HIZ028-191400- /O.CON.PHFO.WI.Y.0021.000000T0000Z-090419T2000Z/ BIG ISLAND SUMMITS- 342 PM HST SAT APR 18 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM HST SUNDAY... WEST TO SOUTHWEST WINDS WILL BE SUSTAINED BETWEEN 30 AND 35 MPH TONIGHT AND EARLY SUNDAY. STRONGER THAN NORMAL WINDS ARE EXPECTED TO CONTINUE BEYOND SUNDAY MORNING...AND THIS ADVISORY MAY NEED TO BE EXTENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ BIRCHARD
000 WWHW70 PHFO 191336 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 336 AM HST SUN APR 19 2009 HIZ028-200245- /O.EXT.PHFO.WI.Y.0021.000000T0000Z-090420T2000Z/ BIG ISLAND SUMMITS- 336 AM HST SUN APR 19 2009 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM HST MONDAY... WEST TO SOUTHWEST WINDS WILL BE AROUND 35 MPH WITH HIGHER GUSTS INTO MONDAY MORNING. THE WINDS MAY REMAIN STRONG INTO TUESDAY... SO THE ADVISORY MAY BE EXTENDED LATER TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CRAIG
000 WWHW70 PHFO 200134 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 334 PM HST SUN APR 19 2009 HIZ028-201445- /O.EXT.PHFO.WI.Y.0021.000000T0000Z-090421T2000Z/ BIG ISLAND SUMMITS- 334 PM HST SUN APR 19 2009 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM HST TUESDAY... WEST AND SOUTHWEST WINDS WILL BE 30 TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ BIRCHARD
000 WWHW70 PHFO 200711 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 911 PM HST SUN APR 19 2009 HIZ028-202015- /O.UPG.PHFO.WI.Y.0021.000000T0000Z-090421T2000Z/ /O.NEW.PHFO.HW.W.0005.090420T0711Z-090421T2000Z/ BIG ISLAND SUMMITS- 911 PM HST SUN APR 19 2009 ...HIGH WIND WARNING IN EFFECT UNTIL 10 AM HST TUESDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 10 AM HST TUESDAY. WEST AND SOUTHWEST WINDS WILL BE 40 TO 55 MPH WITH GUSTS OVER 60 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
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.