Alert archive / Hawaii / High Wind Warnings in 2017

High Wind Warning 9, NWS Honolulu, HI

October 23, 2017Hawaii County, Hawaii

NWS Honolulu, HI issued this high wind warning at Oct 23, 2017, 3:20 PM HST for Hawaii County, Hawaii. It was in force for 36 hr. 5 reports 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
Oct 23, 2017, 3:20 PM HST (01:20 UTC)
Expired
Oct 25, 2017, 3:40 AM HST
In force
36 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 01:20 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
Oct 24, 9:00 AM HSTFLASH FLOOD6 Sw Pahala, HIKAWA AREA ON HWY 11 IN KAU FLOODING.
Oct 24, 9:00 AM HSTFLASH FLOODHilo, HIKUKILA ST AND RAILROAD AVE NEAR LANIKAULA ST CLOSED DUE TO FLOODING.
Oct 24, 9:00 AM HSTFLASH FLOODPahala, HIWOOD VALLEY RD IN PAHALA CLOSED DUE TO SEVERE FLOODING.
Oct 24, 10:00 AM HSTFLASH FLOODKailua-Kona, HIKUAKINI HIGHWAY ABOVE KAILUA-KONA IS CLOSED DUE TO FLOODING.
Oct 24, 11:00 AM HSTFLASH FLOODHilo, HIFLOODING ALONG KAMEHAMEHA AVE AND BAYFRONT HIGHWAY IN HILO LEADING TO SEVERAL ROAD CLOSURES. KAMEHAMEHA AVE AND PAUAHI STREET IMPASSABLE DUE TO FLOODING. BAYFRONT HIGHWAY CLOSED. PAUAHI STREET AND AUPUNI STREET INTERSECTION CLOSED. KAMEHAMEHA AVE AND MANONO ST

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, 1.3 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 2017-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 407 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 2017-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.193958Sfc1 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
407 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1326 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

705 
WWHW70 PHFO 240120
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
320 PM HST Mon Oct 23 2017

...HIGH WIND WARINING IN EFFECT FOR THE BIG ISLAND SUMMITS THROUGH
TUESDAY...

.Very strong southwest winds aloft associated with a passing upper
level trough will impact the high elevations on the Big Island 
through Tuesday. Winds are forecast to trend down by midweek as 
the upper trough lifts away from the area.

HIZ028-241430-
/O.UPG.PHFO.HW.A.0003.171024T0400Z-171025T0400Z/
/O.NEW.PHFO.HW.W.0009.171024T0120Z-171025T0400Z/
Big Island Summits-
320 PM HST Mon Oct 23 2017

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM HST TUESDAY...

The National Weather Service in Honolulu has issued a High Wind
Warning, which is in effect until 6 PM HST Tuesday. The High Wind
Watch is no longer in effect.

* WINDS...Southwest 40 to 60 mph.

* TIMING...Strengthening tonight and continuing through the day
  Tuesday.

* IMPACTS...Travel to the Big Island summits is not advised until
  winds have subsided.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means that winds at the summits are expected 
to be at least 56 mph, with gusts over 66 mph. Take necessary 
precautions to protect property. Travel to summit areas should be 
delayed until winds subside.

&&

$$

Foster
3 follow-up statements
865 
WWHW70 PHFO 241357
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
357 AM HST Tue Oct 24 2017

...HIGH WIND WARNING IN EFFECT FOR THE BIG ISLAND SUMMITS THROUGH
EARLY THIS EVENING...

.Very strong southwest winds aloft associated with a passing
upper level trough will impact the high elevations on the Big
Island today. Winds are forecast to trend down by midweek as the 
upper trough lifts away from the area.

HIZ028-250400-
/O.CON.PHFO.HW.W.0009.000000T0000Z-171025T0400Z/
Big Island Summits-
357 AM HST Tue Oct 24 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS
EVENING...

* WINDS...Southwest 55 to 70 mph with localized gusts over 85 
  mph.

* TIMING...Through early this evening.

* IMPACTS...Travel to the Big Island summits is not advised 
  until winds have subsided.

PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means
that winds at the summits are expected to be at least 56 mph,
with gusts over 66 mph. Take necessary precautions to protect
property. Travel to summit areas should be delayed until winds
subside.

&&

$$
258 
WWHW70 PHFO 250128
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
328 PM HST Tue Oct 24 2017

...HIGH WIND WARNING IN EFFECT FOR THE BIG ISLAND SUMMITS THROUGH
EARLY THIS EVENING...

.Very strong southwest winds aloft associated with a passing
upper level trough will impact the high elevations on the Big
Island today. Winds are forecast to trend down by midweek as the
upper trough lifts away from the area.

HIZ028-251430-
/O.EXT.PHFO.HW.W.0009.000000T0000Z-171025T1600Z/
Big Island Summits-
328 PM HST Tue Oct 24 2017

...HIGH WIND WARNING NOW IN EFFECT UNTIL 6 AM HST WEDNESDAY...

* WINDS...Southwest 40 to 60 mph.

* TIMING...Through early Wednesday morning.

* IMPACTS...Travel to the Big Island summits is not advised 
  until winds have subsided.

PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means
that winds at the summits are expected to be at least 56 mph,
with gusts over 66 mph. Take necessary precautions to protect
property. Travel to summit areas should be delayed until winds
subside.

&&

$$

Foster
976 
WWHW70 PHFO 251340
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
340 AM HST Wed Oct 25 2017

HIZ028-251445-
/O.CAN.PHFO.HW.W.0009.000000T0000Z-171025T1600Z/
Big Island Summits-
340 AM HST Wed Oct 25 2017

...HIGH WIND WARNING IS CANCELLED...

Winds have diminished across the Big Island summits, therefore the
National Weather Service in Honolulu has cancelled the High Wind 
Warning.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 3:47 PM HSTSmall Craft AdvisoryHFO65 hr
Oct 23, 6:13 PM HSTSpecial Marine WarningHFO2 hr
Oct 23, 7:42 PM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Oct 23, 8:08 PM HSTSpecial Marine WarningHFO112 min
Oct 23, 9:34 PM HSTSpecial Marine WarningHFO116 min
Oct 23, 9:45 PM HSTAreal Flood AdvisoryHFOKalawao3 hr
Oct 23, 10:17 PM HSTSpecial Weather StatementHFO58 min
Oct 23, 10:27 PM HSTSpecial Marine WarningHFO2 hr
Oct 23, 11:10 PM HSTSpecial Marine WarningHFO110 min
Oct 23, 11:15 PM HSTAreal Flood AdvisoryHFOHawaii3 hr
Oct 23, 11:43 PM HSTFlash Flood WarningHFOKalawao3 hr
Oct 23, 11:54 PM HSTAreal Flood AdvisoryHFOKalawao3 hr
Oct 23, 11:54 PM HSTSpecial Weather StatementHFOKalawao66 min
Oct 24, 12:11 AM HSTFlash Flood WarningHFOKalawao3 hr
Oct 24, 12:33 AM HSTSpecial Weather StatementHFO42 min
Oct 24, 12:49 AM HSTSpecial Marine WarningHFO116 min
Oct 24, 1:27 AM HSTFlash Flood WarningHFOKalawao6 hr
Oct 24, 1:59 AM HSTAreal Flood AdvisoryHFOHawaii3 hr
Oct 24, 2:22 AM HSTSpecial Marine WarningHFO113 min
Oct 24, 2:27 AM HSTSevere Thunderstorm WarningHFOKalawao48 min
Oct 24, 3:13 AM HSTSevere Thunderstorm WarningHFOKalawao27 min
Oct 24, 4:01 AM HSTSpecial Marine WarningHFO119 min
Oct 24, 4:40 AM HSTAreal Flood AdvisoryHFOHawaii6 hr
Oct 24, 4:41 AM HSTSpecial Marine WarningHFO2 hr
Oct 24, 5:34 AM HSTSpecial Marine WarningHFO116 min
Oct 24, 8:26 AM HSTFlash Flood WarningHFOHawaii6 hr

Nearby

High Wind Warnings in Hawaii, 2017Every high wind warning in 2017

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.