Alert archive / Hawaii / High Wind Warnings in 2018

High Wind Warning 2, NWS Honolulu, HI

January 30, 2018Hawaii County, Hawaii

NWS Honolulu, HI issued this high wind warning at Jan 30, 2018, 3:26 PM HST for Hawaii County, Hawaii. It was in force for 37 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 30, 2018, 3:26 PM HST (01:26 UTC)
Expired
Feb 1, 2018, 3:59 AM HST
In force
37 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 01:28 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, 1.4 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 2018-01-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1341 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

As transmitted.

297 
WWHW70 PHFO 310126
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
326 PM HST Tue Jan 30 2018

...HIGH WIND WARNING IN EFFECT FOR BIG ISLAND SUMMITS...

.Very strong winds aloft associated with an incoming low pressure
system will produce High Wind Warning speeds on the Big Island
summits tonight and Wednesday.

HIZ028-311430-
/O.UPG.PHFO.WI.Y.0004.000000T0000Z-180131T0400Z/
/O.UPG.PHFO.HW.A.0001.180131T0400Z-180201T0400Z/
/O.NEW.PHFO.HW.W.0002.180131T0126Z-180201T0400Z/
Big Island Summits-
326 PM HST Tue Jan 30 2018

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

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Advisory is no longer in effect. The High Wind Watch is no longer
in effect.

* WINDS...Southwest 45 to 65 mph.

* TIMING...Through Wednesday.

* IMPACTS...Strong winds will make driving difficult especially
  for high profile vehicles. Travel to the summits is not advised.

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
527 
WWHW70 PHFO 311350
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
350 AM HST Wed Jan 31 2018

...HIGH WIND WARNING IN EFFECT FOR BIG ISLAND SUMMITS...

.Very strong winds associated with an upper level trough of low
pressure will produce High Wind Warning speeds on the Big Island 
summits today. Winds are expected to decrease below warning levels
tonight, but will likely remain strong enough that a Wind Advisory
will be needed tonight and Thursday.


HIZ028-010400-
/O.CON.PHFO.HW.W.0002.000000T0000Z-180201T0400Z/
Big Island Summits-
350 AM HST Wed Jan 31 2018

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

* WINDS...Southwest 45 to 65 mph with gusts over 75 mph for the
  Big Island summits.

* TIMING...Through 6 PM this evening.

* IMPACTS...Strong winds will make driving difficult especially 
  for high profile vehicles. Travel to the summits is not 
  advised.

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.

&&

$$
869 
WWHW70 PHFO 010110
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
310 PM HST Wed Jan 31 2018

HIZ028-011500-
/O.EXT.PHFO.HW.W.0002.000000T0000Z-180201T1600Z/
Big Island Summits-
310 PM HST Wed Jan 31 2018

...HIGH WIND WARNING NOW IN EFFECT UNTIL 6 AM HST THURSDAY FOR THE
SUMMITS OF MAUNA LOA AND MAUNA KEA...

* WINDS...Southwest 30 to 50 mph with localized gusts over 65 mph
  at the highest elevations of Mauna Loa and Mauna Kea.

* TIMING...Strongest winds will be during the evening with winds 
  slowly easing overnight.

* IMPACTS...Strong winds will make driving difficult especially 
  for high profile vehicles. Travel to the summits is not 
  advised.

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.

&&

$$
R Ballard
710 
WWHW70 PHFO 011359
NPWHFO

URGENT - WEATHER MESSAGE
National Weather Service Honolulu HI
359 AM HST Thu Feb 1 2018

HIZ028-020400-
/O.CAN.PHFO.HW.W.0002.000000T0000Z-180201T1600Z/
/O.NEW.PHFO.WI.Y.0005.180201T1359Z-180202T0400Z/
Big Island Summits-
359 AM HST Thu Feb 1 2018

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

The National Weather Service in Honolulu has issued a Wind
Advisory, which is in effect until 6 PM HST this evening. The
High Wind Warning has been cancelled.

* WINDS...Southwest 35 to 45 mph with localized gusts to 55 mph
  for the Big Island summits of Mauna Kea and Mauna Loa.

* TIMING...Through 6 PM this evening.

* IMPACTS...Strong winds will make driving difficult especially 
  for high profile vehicles. Travel to the summits is not 
  advised.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 5:09 PM HSTSpecial Marine WarningHFO51 min
Jan 31, 3:19 AM HSTSpecial Marine WarningHFO116 min
Jan 31, 3:54 AM HSTSpecial Weather StatementHFOKauai51 min
Jan 31, 4:46 AM HSTSpecial Marine WarningHFO119 min
Jan 31, 6:44 AM HSTSpecial Marine WarningHFO2 hr
Jan 31, 8:35 AM HSTSpecial Weather StatementHFOHonolulu40 min
Jan 31, 8:39 AM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Jan 31, 10:41 AM HSTSpecial Marine WarningHFO94 min
Jan 31, 12:07 PM HSTSpecial Marine WarningHFO53 min
Jan 31, 12:56 PM HSTSpecial Marine WarningHFO94 min

Nearby

High Wind Warnings in Hawaii, 2018Every high wind warning in 2018

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.