Alert archive / Hawaii / Flash Flood Warnings in 2006

Flash Flood Warning 137, NWS Honolulu, HI

October 16, 2006Kalawao County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Oct 16, 2006, 4:13 PM HST for Kalawao 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
Oct 16, 2006, 4:13 PM HST (02:13 UTC)
Expired
Oct 16, 2006, 7:15 PM HST
In force
3 hr
Issued by
NWS Honolulu, HI
Area
Counties, with a storm outline in the text

County Kalawao County, HI

The nearest sounding before it

Hilo, (PITO), launched 00:00Z, 2.2 hours before the alert went out and 261 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 2006-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1263 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, Hilo, at 00:00Z on 2006-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 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
1263 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
1.5
Supercell composite
8.2

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 Oct 16, 3:56 PM HST, 17 minutes earlier.

Area forecast discussion, Oct 16, 3:56 PM HST, 17 minutes before
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In the hours before

Local storm report, Oct 16, 2:47 PM HST, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
247 PM HST MON OCT 16 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1258 PM     FLASH FLOOD      2 N KIHEI               20.79N 156.45W
10/16/2006                   MAUI IN MAUI       HI   EMERGENCY MNGR

            JUNCTION OF PIILANI AND MOKULELE HIGHWAYS CLOSED DUE TO
            FLOODING AND DEBRIS ON ROAD.

&&

KODAMA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 6:20 PM HSTSpecial Marine WarningHFO115 min
Oct 16, 7:11 PM HSTFlash Flood WarningHFOKalawao3 hr
Oct 16, 7:29 PM HSTSevere Thunderstorm WarningHFOHawaii61 min
Oct 16, 7:31 PM HSTFlash Flood WarningHFOHawaii3 hr
Oct 16, 8:03 PM HSTSevere Thunderstorm WarningHFOHawaii43 min
Oct 16, 8:13 PM HSTSpecial Marine WarningHFO2 hr
Oct 16, 9:51 PM HSTSpecial Marine WarningHFO84 min
Oct 16, 10:09 PM HSTSpecial Marine WarningHFO2 hr
Oct 16, 10:20 PM HSTFlash Flood WarningHFOHawaii3 hr
Oct 16, 10:41 PM HSTSevere Thunderstorm WarningHFOKauai19 min
Oct 16, 11:04 PM HSTSevere Thunderstorm WarningHFOKauai15 min
Oct 16, 11:36 PM HSTHigh Wind WarningHFOHawaii4 hr
Oct 17, 12:07 AM HSTSpecial Marine WarningHFO113 min
Oct 17, 12:41 AM HSTSpecial Marine WarningHFO2 hr
Oct 17, 1:15 AM HSTFlash Flood WarningHFOHawaii3 hr
Oct 17, 2:04 AM HSTSpecial Marine WarningHFO116 min
Oct 17, 2:37 AM HSTSpecial Marine WarningHFO113 min
Oct 17, 3:42 AM HSTWind AdvisoryHFOHawaii35 hr
Oct 17, 4:04 AM HSTSpecial Marine WarningHFO116 min
Oct 17, 4:15 AM HSTFlash Flood WarningHFOHawaii3 hr

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.