Alert archive / Hawaii / Wind Advisories in 2019
Wind Advisory 21, NWS Honolulu, HI
NWS Honolulu, HI issued this wind advisory at Mar 31, 2019, 9:39 AM HST for Hawaii County, Hawaii. It took effect at Mar 31, 2019, 10:00 AM HST. It was in force for 41 hr.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2019, 9:39 AM HST (19:39 UTC)
- In effect from
- Mar 31, 2019, 10:00 AM HST
- Expired
- Apr 2, 2019, 3:23 AM HST
- In force
- 41 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 19:39 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, 7.7 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
- 5 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
101 WWHW70 PHFO 311939 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 939 AM HST Sun Mar 31 2019 HIZ028-010845- /O.NEW.PHFO.WI.Y.0021.190331T2000Z-190402T1600Z/ Big Island Summits- 939 AM HST Sun Mar 31 2019 ...WIND ADVISORY IN EFFECT UNTIL 6 AM HST TUESDAY... The National Weather Service in Honolulu has issued a Wind Advisory, which is in effect until 6 AM HST Tuesday. * WINDS...West winds increasing to 40 to 60 mph with localized gusts over 65 mph. * TIMING...Through 6 AM HST Tuesday. * IMPACTS...Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution. && $$ Burke
5 follow-up statements
945 WWHW70 PHFO 010140 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 340 PM HST Sun Mar 31 2019 HIZ028-011445- /O.CON.PHFO.WI.Y.0021.000000T0000Z-190402T1600Z/ Big Island Summits- 340 PM HST Sun Mar 31 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * WINDS...West 40 to 60 mph with localized gusts over 65 mph. * TIMING...Through 6 AM HST Tuesday. * IMPACTS...Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution. && $$ Burke
709 WWHW70 PHFO 010624 CCA NPWHFO URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Honolulu HI 824 PM HST Sun Mar 31 2019 HIZ028-011445- /O.COR.PHFO.WI.Y.0021.000000T0000Z-190402T1600Z/ Big Island Summits- 824 PM HST Sun Mar 31 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * WINDS...West 40 to 60 mph with localized gusts over 65 mph. * TIMING...Through 6 AM HST Tuesday. * IMPACTS...Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. 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. && $$ Burke
004 WWHW70 PHFO 011314 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 314 AM HST Mon Apr 1 2019 HIZ028-020215- /O.CON.PHFO.WI.Y.0021.000000T0000Z-190402T1600Z/ Big Island Summits- 314 AM HST Mon Apr 1 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * WINDS...Southwest 40 to 50 mph with gusts over 60 mph. * TIMING...Through 6 AM HST Tuesday. * IMPACTS...Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory for the summits means that sustained winds of at least 45 mph, or gusts of at least 55 mph, are expected. Motorists should use extra caution. && $$
261 WWHW70 PHFO 020120 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 320 PM HST Mon Apr 1 2019 HIZ028-021430- /O.CON.PHFO.WI.Y.0021.000000T0000Z-190402T1600Z/ Big Island Summits- 320 PM HST Mon Apr 1 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST TUESDAY... * WINDS...West 40 to 50 mph with gusts to 60 mph. * TIMING...Through 6 AM HST Tuesday. * IMPACTS...Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. 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. && $$ Wroe
762 WWHW70 PHFO 021323 NPWHFO URGENT - WEATHER MESSAGE National Weather Service Honolulu HI 323 AM HST Tue Apr 2 2019 HIZ028-021430- /O.CAN.PHFO.WI.Y.0021.000000T0000Z-190402T1600Z/ Big Island Summits- 323 AM HST Tue Apr 2 2019 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Honolulu has cancelled the Wind Advisory. Wind speeds over the summits of the Big Island have fallen below wind advisory thresholds. $$ RCB
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 3:44 AM HST | High Surf Advisory | HFO | Honolulu, Kauai, Kalawao | 12 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.