Alert archive / Hawaii / Wind Advisories in 2019
Wind Advisory 13, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Feb 20, 2019, 3:01 PM HST for Hawaii County, Hawaii. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Feb 20, 2019, 3:01 PM HST (01:01 UTC)
- Expired
- Feb 21, 2019, 3:32 AM HST
- In force
- 13 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 01:00 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, 1.0 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
- 353 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
484 WWHW70 PHFO 210101 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 301 PM HST Wed Feb 20 2019 HIZ028-211415- /O.CAN.PHFO.HW.W.0003.000000T0000Z-190221T0400Z/ /O.NEW.PHFO.WI.Y.0013.190221T0101Z-190221T1600Z/ Big Island Summits- 301 PM HST Wed Feb 20 2019 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST THURSDAY... ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Honolulu has issued a Wind Advisory, which is in effect until 6 AM HST Thursday. The High Wind Warning has been cancelled. * WINDS...Southwest 35 to 45 mph with gusts to 55 mph. * TIMING...Through 6 AM HST Thursday. * IMPACTS...Winds this strong will produce difficult driving conditions, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory for the summits means that sustained winds of at least 45 mph, or gusts of at least 55 mph, are expected. Motorists should use extra caution. && $$ Birchard
1 follow-up statement
521 WWHW70 PHFO 211332 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 332 AM HST Thu Feb 21 2019 HIZ028-211445- /O.CAN.PHFO.WI.Y.0013.000000T0000Z-190221T1600Z/ Big Island Summits- 332 AM HST Thu Feb 21 2019 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Honolulu has cancelled the Wind Advisory for the Big Island summits. Winds on the summits will remain elevated today with decreasing wind speed trends over the next 24 hours. $$ RCB
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 11:24 AM HST | High Wind Warning | HFO | Hawaii | 4 hr |
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.