Alert archive / Hawaii / High Wind Warnings in 2024

High Wind Warning 13, NWS Honolulu, HI

May 9, 2024Hawaii County, Hawaii

NWS Honolulu, HI issued this high wind warning at May 9, 2024, 3:46 PM HST for Hawaii County, Hawaii. It took effect at May 10, 2024, 6:00 AM HST. It was in force for 21 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 9, 2024, 3:46 PM HST (01:46 UTC)
In effect from
May 10, 2024, 6:00 AM HST
Expired
May 11, 2024, 2:57 AM HST
In force
21 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 01:45 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.

What was reported inside it

TimeReportWhereRemark
May 10, 3:50 PM HSTFLASH FLOODHilo, HIWaianuenue and Kamehameha Avenues were closed in both directions due to flooding.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Hilo, (PITO), launched 00:00Z, 1.8 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.

Skew-T log-pSkew-T log-p diagram, Hilo, at 00:00Z on 2024-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 109 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Hilo, at 00:00Z on 2024-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
109 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

055 
WWHW70 PHFO 100146
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
346 PM HST Thu May 9 2024

...HIGH WIND WARNING IN EFFECT FROM 6 AM FRIDAY TO 6 AM HST
SATURDAY FOR BIG ISLAND SUMMITS...


HIZ028-101500-
/O.NEW.PHFO.HW.W.0013.240510T1600Z-240511T1600Z/
Big Island Summits-
346 PM HST Thu May 9 2024

...HIGH WIND WARNING IN EFFECT FROM 6 AM FRIDAY TO 6 AM HST
SATURDAY...

* WHAT...Southwest winds 40 to 60 mph with localized gusts over 70 
  mph expected.

* WHERE...Big Island Summits.

* WHEN...From 6 AM Friday to 6 AM HST Saturday.

* IMPACTS...Winds this strong can make driving and walking 
  dangerous. The winds can forcefully open doors and damage 
  hinges or slam doors shut, possibly causing injuries.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for road-closures. Postpone travel to the summits
until conditions improve.

&&

$$
3 follow-up statements
142 
WWHW70 PHFO 101330
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
330 AM HST Fri May 10 2024

HIZ028-110230-
/O.CON.PHFO.HW.W.0013.240510T1600Z-240511T1600Z/
Big Island Summits-
330 AM HST Fri May 10 2024

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY...

* WHAT...Southwest winds 40 to 60 mph with localized gusts over 70 
  mph expected.

* WHERE...Big Island Summits.

* WHEN...From 6 AM Friday to 6 AM HST Saturday.

* IMPACTS...Winds this strong can make driving and walking 
  dangerous. The winds can forcefully open doors and damage 
  hinges or slam doors shut, possibly causing injuries.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for road-closures. Postpone travel to the summits
until conditions improve.

&&

$$
741 
WWHW70 PHFO 110107
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
307 PM HST Fri May 10 2024


HIZ028-111415-
/O.CON.PHFO.HW.W.0013.000000T0000Z-240511T1600Z/
Big Island Summits-
307 PM HST Fri May 10 2024

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY...

* WHAT...Southwest winds 40 to 60 mph with localized gusts over 
  70 mph expected.

* WHERE...Big Island Summits.

* WHEN...From 6 AM Friday to 6 AM HST Saturday.

* IMPACTS...Winds this strong can make driving and walking
  dangerous. The winds can forcefully open doors and damage hinges
  or slam doors shut, possibly causing injuries.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for road-closures. Postpone travel to the summits
until conditions improve.

&&

$$
243 
WWHW70 PHFO 111257
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
257 AM HST Sat May 11 2024

HIZ028-120200-
/O.CAN.PHFO.HW.W.0013.000000T0000Z-240511T1600Z/
/O.NEW.PHFO.WI.Y.0027.240511T1257Z-240512T0400Z/
Big Island Summits-
257 AM HST Sat May 11 2024

...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...

* WHAT...Southwest winds 35 to 45 mph with localized gusts over 
  55 mph.

* WHERE...Big Island Summits.

* WHEN...Until 6 PM HST this evening.

* IMPACTS...Winds this strong can make driving and walking 
  difficult. The winds can forcefully open doors and damage 
  hinges or slam doors shut, possibly causing injuries.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider postponing travel to the summits until conditions
improve. If you must travel to the summits, use extra caution
walking and driving. Be careful opening or closing doors.

&&

$$

RCB

The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 3:48 PM HSTAreal Flood AdvisoryHFOHonolulu44 min
May 9, 3:51 PM HSTWinter Storm WarningHFOHawaii35 hr
May 9, 4:28 PM HSTAreal Flood AdvisoryHFOKalawao54 min
May 9, 5:22 PM HSTFlash Flood WarningHFOKalawao91 min
May 10, 2:12 AM HSTAreal Flood AdvisoryHFOHonolulu2 hr
May 10, 2:20 AM HSTSpecial Marine WarningHFO115 min
May 10, 4:10 AM HSTSpecial Marine WarningHFO2 hr
May 10, 4:51 AM HSTSpecial Marine WarningHFO114 min
May 10, 5:02 AM HSTSpecial Marine WarningHFO118 min
May 10, 6:50 AM HSTSpecial Marine WarningHFO38 min
May 10, 12:38 PM HSTAreal Flood AdvisoryHFOHonolulu117 min
May 10, 12:57 PM HSTAreal Flood AdvisoryHFOKauai114 min
May 10, 1:13 PM HSTSpecial Marine WarningHFO2 hr

Nearby

High Wind Warnings in Hawaii, 2024Every high wind warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.