Alert archive / Hawaii / Wind Advisories in 2011
Wind Advisory 21, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Jul 8, 2011, 9:06 AM HST for Hawaii County, Hawaii. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Jul 8, 2011, 9:06 AM HST (19:06 UTC)
- Expired
- Jul 9, 2011, 3:31 AM HST
- In force
- 18 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 19:10 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, 7.1 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
- 77 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 872 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
275 WWHW70 PHFO 081906 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 906 AM HST FRI JUL 8 2011 ...WIND ADVISORY FOR BIG ISLAND SUMMITS... .DEEP LAYERED TRADE WIND FLOW WILL PRODUCE STRONG WINDS ACROSS THE BIG ISLAND SUMMITS. HIZ028-090315- /O.NEW.PHFO.WI.Y.0021.110708T1906Z-110709T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 906 AM HST FRI JUL 8 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST SATURDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM HST SATURDAY. * WINDS...NORTHEAST 30 TO 40 MPH WITH GUSTS UP TO 45 MPH. * TIMING...THROUGH EARLY SATURDAY MORNING. * IMPACTS...STRONG AND GUSTY WINDS THAT CAN MAKE DRIVING DIFFICULT. 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. && $$ FOSTER
2 follow-up statements
940 WWHW70 PHFO 090128 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 328 PM HST FRI JUL 8 2011 ...WIND ADVISORY FOR BIG ISLAND SUMMITS... .DEEP LAYERED TRADE WIND FLOW WILL PRODUCE STRONG WINDS ACROSS THE BIG ISLAND SUMMITS. HIZ028-090930- /O.CON.PHFO.WI.Y.0021.000000T0000Z-110709T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 328 PM HST FRI JUL 8 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY. * WINDS...EAST 30 TO 40 MPH WITH GUSTS UP TO 45 MPH. * TIMING...THROUGH EARLY SATURDAY MORNING. * IMPACTS...STRONG AND GUSTY WINDS THAT CAN MAKE DRIVING DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ FOSTER
324 WWHW70 PHFO 091331 NPWHFO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 331 AM HST SAT JUL 9 2011 HIZ028-091445- /O.CAN.PHFO.WI.Y.0021.000000T0000Z-110709T1600Z/ BIG ISLAND SUMMITS- INCLUDING THE CITY OF...MAUNA LOA AND MAUNA KEA ABOVE 8000 FEET 331 AM HST SAT JUL 9 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE WIND ADVISORY. WINDS ON THE BIG ISLAND SUMMITS HAVE DIMINISHED OVERNIGHT...AND HAVE NOW DROPPED BELOW THE WIND ADVISORY CRITERIA. $$ HOUSTON
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.