Alert archive / Hawaii / High Wind Watches in 2009

High Wind Watch 1, NWS Honolulu, HI

January 14, 2009Honolulu County, Kauai County, Kalawao County, Hawaii

NWS Honolulu, HI issued this high wind watch at Jan 14, 2009, 3:55 PM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It took effect at Jan 15, 2009, 6:00 PM HST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 14, 2009, 3:55 PM HST (01:55 UTC)
In effect from
Jan 15, 2009, 6:00 PM HST
Expired
Jan 15, 2009, 4:00 PM HST
In force
Issued by
NWS Honolulu, HI

Counties Honolulu County, HI, Kalawao County, HI, Kauai County, HI

The nearest sounding before it

Lihue, (PHLI), launched 00:00Z, 1.9 hours before the alert went out and 127 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, Lihue, at 00:00Z on 2009-01-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lihue, at 00:00Z on 2009-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
8 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
931 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Honolulu, HI wrote its last area forecast discussion before this high wind watch went out at Jan 14, 10:00 AM HST, 5 hours 55 minutes earlier.

Area forecast discussion, Jan 14, 10:00 AM HST, 5 hours 55 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 14, 8:04 PM HSTHigh Wind WarningHFOHawaii, Honolulu, Kauai, Kalawao4 days
Jan 14, 8:04 PM HSTWind AdvisoryHFOKalawao20 hr

Nearby

High Wind Watches in Hawaii, 2009Every high wind watch in 2009

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.