Alert archive / Hawaii / Flash Flood Warnings in 2002

Flash Flood Warning 26, NWS Honolulu, HI

February 26, 2002Kauai County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Feb 26, 2002, 5:30 AM 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 26, 2002, 5:30 AM HST (15:30 UTC)
Expired
Feb 26, 2002, 8:30 AM HST
In force
3 hr
Issued by
NWS Honolulu, HI
Area
Whole counties

County Kauai County, HI

The nearest sounding before it

Lihue, (PHLI), launched 12:00Z, 3.5 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 12:00Z on 2002-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 12:00Z on 2002-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
26 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
1079 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGHW50 PHFO 261524
FFWHI 
HIZ004-261830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
530 AM HST TUE FEB 26 2002

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CONTINUED A

* FLASH FLOOD WARNING FOR...
  NORTH AND EAST HAWAII
  INCLUDING THE KOHALA HAMAKUA HILO AND PUNA DISTRICTS
	 
* UNTIL 830 AM HST
	
AT 530 AM HST...RADAR INDICATED HEAVY SHOWERS AND THUNDERSTORMS 
MOVING OVER THE EAST HALF OF THE BIG ISLAND. THE HEAVY RAIN IS 
EXPECTED TO CONTINUE OFF AND ON FOR ANOTHER TWO TO THREE HOURS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. 
PERSON FROM KOHALA TO PUNA SHOULD TAKE IMMEDIATE ACTION TO PROTECT 
LIFE AND PROPERTY AND SEEK HIGHER GROUND OR REMAIN INDOORS.

MOTORISTS SHOULD BE ALERT FOR FLOODING AND SHOULD NOT ATTEMPT TO 
CROSS FAST FLOWING OR RISING WATER...MANY FLASH FLOOD DEATHS OCCUR 
WHEN MOTORISTS TRY TO CROSS FLOODED ROADWAYS. ESCAPE RISING WATER BY 
CLIMBING DIRECTLY TO HIGHER GROUND. NEVER TRY TO OUTRUN A FLOOD 
EITHER ON FOOT OR IN YOUR VEHICLE.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER 
NATIONAL WEATHER SERVICE INFORMATION.
 
CRAIG      NATIONAL WEATHER SERVICE HONOLULU
2 follow-up statements
000 
WGHW70 PHFO 261626
FFSHI 
HIZ004-261730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
630 AM HST TUE FEB 26 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM HST FOR 
NORTH AND EAST HAWAII...

RADAR INDICATES THAT HEAVY RAINFALL HAS BEEN OCCURRING OVER HILO AND 
NORTH PUNA DISTRICTS. HEAVIEST SHOWERS HAVE BEEN SLIPPING SOUTHWARD 
OVER THE PAST HOUR OR SO AND MUCH OF THE HAMAKUA COAST IS 
EXPERIENCING ONLY LIGHT RAINFALL AT THIS TIME. THERE ARE ALSO SOME 
EXTREMELY HEAVY SHOWERS...WITH RADAR INDICATING RAINFALL RATES OF 4 
TO 6 INCHES PER HOUR...OFFSHORE TO THE SOUTH OF THE KAU DISTRICT.

THESE STORMS ARE MOVING TOWARD THE WEST AT ABOUT 30 MPH. THE LINE OF 
HEAVY SHOWERS AND THUNDERSTORMS IS NOW FOCUSED JUST TO THE SOUTH OF 
HILO AND THE PUNA DISTRICT MAY FEEL THE HEAVIEST RAINFALL OVER THE 
NEXT SEVERAL HOURS. THE KAU DISTRICT MAY ALSO EXPERIENCE HEAVY 
RAINFALL OVER THE NEXT SEVERAL HOURS. HEAVY SHOWER TO THE SOUTH OF 
KAU ARE MOVING WEST...BUT AT A SLOWER RATE OF ABOUT 20 MPH.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER 
NATIONAL WEATHER SERVICE INFORMATION.
 
FARRELL
000 
WGHW70 PHFO 261656 AAA
FFSHI 
HIZ004-261730-

UPDATED FOR ENDING TIME OF FLASH FLOOD WARNING ONLY

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
700 AM HST TUE FEB 26 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM HST FOR 
NORTH AND EAST HAWAII...

RADAR INDICATES THAT HEAVY RAINFALL HAS BEEN OCCURRING OVER HILO AND 
NORTH PUNA DISTRICTS. HEAVIEST SHOWERS HAVE BEEN SLIPPING SOUTHWARD 
OVER THE PAST HOUR OR SO AND MUCH OF THE HAMAKUA COAST IS 
EXPERIENCING ONLY LIGHT RAINFALL AT THIS TIME. THERE ARE ALSO SOME 
EXTREMELY HEAVY SHOWERS...WITH RADAR INDICATING RAINFALL RATES OF 4 
TO 6 INCHES PER HOUR...OFFSHORE TO THE SOUTH OF THE KAU DISTRICT.

THESE STORMS ARE MOVING TOWARD THE WEST AT ABOUT 30 MPH. THE LINE OF 
HEAVY SHOWERS AND THUNDERSTORMS IS NOW FOCUSED JUST TO THE SOUTH OF 
HILO AND THE PUNA DISTRICT MAY FEEL THE HEAVIEST RAINFALL OVER THE 
NEXT SEVERAL HOURS. THE KAU DISTRICT MAY ALSO EXPERIENCE HEAVY 
RAINFALL OVER THE NEXT SEVERAL HOURS. HEAVY SHOWER TO THE SOUTH OF 
KAU ARE MOVING WEST...BUT AT A SLOWER RATE OF ABOUT 20 MPH.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER 
NATIONAL WEATHER SERVICE INFORMATION.
 
FARRELL

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 26, 4:50 AM HST, 40 minutes earlier.

Area forecast discussion, Feb 26, 4:50 AM HST, 40 minutes before
NARRATIVE SYNOPTIC DISCUSSION FOR WAKE ISLAND

A RIDGE OF HIGH PRESSURE OVER WAKE PROMOTED WEAK AND VARIABLE WIND
CONDITIONS. SATELLITE IMAGES SHOWED ONLY SCATTERED TO LOCALLY BROKEN
STRATOCUMULUS CLOUDS NEAR THE ISLAND. A FRONT GRADUALLY APPROACHING
FROM THE NORTHWEST WILL EVENTUALLY BREAK DOWN THE RIDGE AND
INTRODUCE MORE SIGNIFICANT CLOUD COVER TO THE REGION...BUT THESE
CHANGES WILL LIKELY ONLY BECOME NOTICEABLE IN JUST OVER 24 HOURS.
UNTIL THEN...LITTLE CHANGE IS EXPECTED. THE WIND WILL REMAIN WEAK
AND VARIABLE...THOUGH MORE OFTEN THAN NOT FROM THE EAST TO
SOUTHEAST. SWELL WILL BE FROM THE NORTH TO NORTHEAST AT 5 TO 7 FEET.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 2:30 AM HSTFlash Flood WarningHFOKauai3 hr
Feb 26, 7:15 AM HSTFlash Flood WarningHFOKauai3 hr

Nearby

Flash Flood Warnings in Hawaii, 2002Every flash flood warning in 2002

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.