Alert archive / Hawaii / Wind Advisories in 2021
Wind Advisory 14, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Jul 19, 2021, 3:04 AM HST for Hawaii County, Hawaii. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jul 19, 2021, 3:04 AM HST (13:04 UTC)
- Expired
- Jul 19, 2021, 7:45 PM HST
- In force
- 17 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 13:07 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, 1.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 755 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- -58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
724 WWHW70 PHFO 191304 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 304 AM HST Mon Jul 19 2021 HIZ026-200215- /O.NEW.PHFO.WI.Y.0014.210719T1304Z-210720T1600Z/ Kohala- Including the city of Kawaihae, Waikoloa, Waikii, Puuanahulu 304 AM HST Mon Jul 19 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST TUESDAY... * WHAT...East winds 20 to 30 mph with localized gusts to 55 mph expected. * WHERE...Kohala, Big Island * WHEN...Until 6 AM HST Tuesday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means sustained winds of 30 to 40 mph, and or gusts to 55 mph, are expected. Motorists should use extra caution. && $$
3 follow-up statements
904 WWHW70 PHFO 200124 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 324 PM HST Mon Jul 19 2021 HIZ026-201600- /O.CON.PHFO.WI.Y.0014.000000T0000Z-210720T1600Z/ Kohala- Including the city of Kawaihae, Waikoloa, Waikii, Puuanahulu 324 PM HST Mon Jul 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * WHAT...East winds up to 30 mph with localized gusts around 50 mph. * WHERE...Kohala, Big Island. * WHEN...Until 6 AM HST Tuesday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means sustained winds of 30 to 40 mph, and or gusts to 55 mph, are expected. Motorists should use extra caution. && $$
318 WWHW70 PHFO 200128 CCA NPWHFO URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Honolulu HI 328 PM HST Mon Jul 19 2021 HIZ026-201600- /O.COR.PHFO.WI.Y.0014.000000T0000Z-210720T1600Z/ Kohala- Including the city of Kawaihae, Waikoloa, Waikii, Puuanahulu 328 PM HST Mon Jul 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * WHAT...East winds up to 30 mph with localized gusts around 55 mph. * WHERE...Kohala, Big Island. * WHEN...Until 6 AM HST Tuesday. * IMPACTS...Winds this strong can tear off shingles, knock down tree branches, blow away tents and awnings and make it difficult to steer, especially for drivers of high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means sustained winds of 30 to 40 mph, and or gusts to 55 mph, are expected. Motorists should use extra caution. && $$
838 WWHW70 PHFO 200545 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 745 PM HST Mon Jul 19 2021 HIZ026-200645- /O.CAN.PHFO.WI.Y.0014.000000T0000Z-210720T1600Z/ Kohala- Including the city of Kawaihae, Waikoloa, Waikii, Puuanahulu 745 PM HST Mon Jul 19 2021 ...WIND ADVISORY IS CANCELLED... Although locally strong and gusty winds will continue overnight and Tuesday, wind speeds will remain below Advisory levels. $$ Birchard
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.