Alert archive / Hawaii / Flash Flood Warnings in 2006

Flash Flood Warning 104, NWS Honolulu, HI

March 26, 2006Kalawao County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Mar 26, 2006, 9:25 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
Mar 26, 2006, 9:25 PM HST (07:25 UTC)
Expired
Mar 27, 2006, 12:15 AM 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, 7.4 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 2006-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 350 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 2006-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
350 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
807 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Mar 26, 8:30 PM HST, 55 minutes earlier.

Area forecast discussion, Mar 26, 8:30 PM HST, 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
830 PM HST SUN MAR 26 2006

.SYNOPSIS...
THE WET WEATHER WILL PERSIST THROUGH THE FINAL WEEK OF MARCH AS
TROUGHINESS IN THE UPPER LEVELS OF THE ATMOSPHERE CONTINUES TO
LINGER AROUND THE HAWAIIAN ISLANDS.

&&

.DISCUSSION...
A DEEP NORTH TO SOUTH UPPER LEVEL TROUGH NEAR 168W HAS BEEN AND IS
CONTINUING TO GENERATE MASSIVE AMOUNT OF MULTILAYERED CLOUDS OVER
AND SOUTH OF THE MAIN HAWAIIAN ISLANDS. PERSISTENT RAIN ACCOMPANYING
THESE CLOUDS REMAINED FOCUSED ON KAUAI AND OAHU WITH MODERATE TO
HEAVY INTENSITIES AT TIMES...WHILE THE REST OF THE STATE IS
EXPERIENCING MOSTLY LIGHT RAIN. INCLUDED WITHIN THIS MESS ARE SOME
ISOLATED THUNDERSTORMS.

AT LEAST THE GFS MODEL KEEPS THE PERSISTENT RAIN IN FOR THE STATE
TONIGHT THROUGH MONDAY BEFORE EASING OFF EITHER LATE MONDAY OR
MONDAY NIGHT. THE NEXT BATCH OF HEAVY WEATHER IS SLATED FOR
WEDNESDAY OR AS EARLY AS TUESDAY NIGHT AS ANOTHER VIGOROUS UPPER
LEVEL TROUGH SWINGS DOWN AND THROUGH THE ISLANDS FROM THE NORTHWEST.
IT WILL DRAG THE HEAVY PRECIP FROM KAUAI TO THE BIG ISLAND WEDNESDAY
NIGHT INTO THURSDAY WHERE IT WILL RAIN ITSELF OUT FRIDAY. DRIER
CONDITIONS ARE SUGGESTED FOR THE WEEKEND BUT COULD BE PREMATURE AT
THIS TIME. THE LOW LEVEL WIND FLOW...CURRENTLY OUT OF THE EAST AND
SOUTHEAST...IS EXPECTED TO CHANGE TO LIGHT TRADES SATURDAY...THE
FIRST DAY OF APRIL.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WATCH SUNDAY AFTERNOON THROUGH LATE MONDAY NIGHT FOR
MAUNA KEA AN MAUNA LOA.
FLASH FLOOD WATCH THROUGH LATE MONDAY NIGHT FOR ALL ISLANDS.

LAU

In the hours before

Local storm report, Mar 26, 3:56 PM HST, 5 hours 29 minutes before
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Local storm report, Mar 26, 6:52 PM HST, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
652 PM HST SUN MAR 26 2006

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

0930 AM     MARINE TSTM WIND 1 W CAPTAIN COOK        19.50N 155.94W
03/24/2006  E60 MPH          HAWAII             HI   PUBLIC

            MARINER REPORTED FAST-MOVING THUNDERSTORM WITH DIME SIZE
            HAIL AND WINDS OF 50 KNOTS

&&

RBALLARD

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 2:43 PM HSTSpecial Marine WarningHFO49 min
Mar 26, 7:00 PM HSTSpecial Marine WarningHFO2 hr
Mar 26, 9:00 PM HSTSpecial Marine WarningHFO2 hr
Mar 26, 10:04 PM HSTWind AdvisoryHFOKalawao30 hr
Mar 27, 4:37 AM HSTWinter Weather AdvisoryHFOHawaii23 hr
Mar 27, 4:53 AM HSTFlash Flood WarningHFOKauai3 hr
Mar 27, 7:41 AM HSTSpecial Marine WarningHFO64 min
Mar 27, 7:44 AM HSTFlash Flood WarningHFOKauai3 hr
Mar 27, 8:37 AM HSTSpecial Marine WarningHFO53 min
Mar 27, 9:09 AM HSTSevere Thunderstorm WarningHFOKalawao53 min
Mar 27, 9:28 AM HSTSpecial Marine WarningHFO62 min
Mar 27, 9:32 AM HSTFlash Flood WarningHFOKalawao3 hr
Mar 27, 9:39 AM HSTSevere Thunderstorm WarningHFOKalawao51 min
Mar 27, 9:45 AM HSTFlash Flood WarningHFOKalawao3 hr
Mar 27, 10:25 AM HSTSpecial Marine WarningHFO81 min
Mar 27, 10:29 AM HSTFlash Flood WarningHFOKalawao3 hr
Mar 27, 12:00 PM HSTSpecial Marine WarningHFO90 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.