Alert archive / Hawaii / Flash Flood Warnings in 2006

Flash Flood Warning 10, NWS Honolulu, HI

February 20, 2006Kauai County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Feb 20, 2006, 6:45 PM HST for Kauai County, Hawaii. It was in force for 3 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
Feb 20, 2006, 6:45 PM HST (04:45 UTC)
Expired
Feb 20, 2006, 9:45 PM HST
In force
3 hr
Issued by
NWS Honolulu, HI
Area
Counties, with a storm outline in the text

County Kauai County, HI

The nearest sounding before it

Lihue, (PHLI), launched 00:00Z, 4.8 hours before the alert went out and 37 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 2006-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 489 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, Lihue, at 00:00Z on 2006-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897117Sfc1 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
489 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning 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 flash flood warning went out at Feb 20, 4:00 PM HST, 2 hours 45 minutes earlier.

Area forecast discussion, Feb 20, 4:00 PM HST, 2 hours 45 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 9:39 PM HSTFlash Flood WarningHFOKauai66 min
Feb 21, 12:13 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 21, 3:11 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 21, 5:58 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 21, 7:20 AM HSTSpecial Marine WarningHFO110 min
Feb 21, 8:47 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 21, 11:55 AM HSTSpecial Marine WarningHFO2 hr
Feb 21, 1:48 PM HSTSpecial Marine WarningHFO71 min

Nearby

Flash Flood Warnings in Hawaii, 2006Every flash flood warning in 2006

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.