Alert archive / Hawaii / High Surf Advisories in 2009

High Surf Advisory 3, NWS Honolulu, HI

January 10, 2009Honolulu County, Kauai County, Kalawao County, Hawaii

NWS Honolulu, HI issued this high surf advisory at Jan 10, 2009, 3:35 PM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It took effect at Jan 11, 2009, 4:00 AM HST. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Jan 10, 2009, 3:35 PM HST (01:35 UTC)
In effect from
Jan 11, 2009, 4:00 AM HST
Expired
Jan 13, 2009, 3:34 AM HST
In force
48 hr
Issued by
NWS Honolulu, HI

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

The nearest sounding before it

Hilo, (PITO), launched 00:00Z, 1.6 hours before the alert went out and 391 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 2009-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 joules per kilogram.LCLEL10008507005003002001001 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, Hilo, at 00:00Z on 2009-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
60 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
94 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 surf advisory 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 surf advisory went out at Jan 10, 10:00 AM HST, 5 hours 35 minutes earlier.

Area forecast discussion, Jan 10, 10:00 AM HST, 5 hours 35 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 11:19 PM HSTSpecial Marine WarningHFO56 min
Jan 10, 11:28 PM HSTFlash Flood WarningHFOKauai96 min
Jan 11, 12:11 AM HSTSpecial Marine WarningHFO64 min
Jan 11, 1:12 AM HSTSpecial Marine WarningHFO63 min
Jan 11, 1:24 AM HSTWind AdvisoryHFOHawaii10 hr
Jan 11, 2:13 AM HSTSpecial Marine WarningHFO62 min
Jan 11, 2:49 AM HSTAreal Flood AdvisoryHFOHonolulu64 min
Jan 11, 3:14 AM HSTSpecial Marine WarningHFO91 min
Jan 11, 4:43 AM HSTSpecial Marine WarningHFO92 min
Jan 11, 5:28 AM HSTAreal Flood AdvisoryHFOKalawao94 min
Jan 11, 6:10 AM HSTSpecial Marine WarningHFO95 min
Jan 11, 7:14 AM HSTAreal Flood AdvisoryHFOKalawao73 min
Jan 11, 7:21 AM HSTFlash Flood WarningHFOKalawao46 min
Jan 11, 7:52 AM HSTWinter Weather AdvisoryHFOHawaii9 hr

Nearby

High Surf Advisories in Hawaii, 2009Every high surf advisory 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.