Alert archive / Hawaii / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Honolulu, HI

November 2, 2000Kauai County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Nov 2, 2000, 7:50 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
Nov 2, 2000, 7:50 AM HST (17:50 UTC)
Expired
Nov 2, 2000, 10:50 AM HST
In force
3 hr
Issued by
NWS Honolulu, HI
Area
Whole counties

County Kauai County, HI

The radar

The South Kauai radar (PHKI), 20 km from the middle of the area, began a volume at 17:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lihue, (PHLI), launched 12:00Z, 5.8 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 12:00Z on 2000-11-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 363 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lihue, at 12:00Z on 2000-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
363 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
66 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 021749
FFWHI
FFWHI 
HIZ004-008-022050-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
750 AM HST THU NOV 2 2000

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR...HILO PUNA AND KAU AREAS BIG ISLAND
 
* UNTIL 1050 AM HST THURSDAY
	
* AT 750 AM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS
  PERSISTENT RGENERATING THUNDERSTORM CELLS CONTINUING OVER THE
  HILO PUNA AND KAU DISTRICTS.

* RAIN GAGES IN THE HILO DISTRICT ARE STILL INDICATING RAINFALL
  IN THE 1.5 TO 2.5 INCH PER HOUR RATE.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE TO BE IN
  THE HILO PUNA AND KAU.

A FLASH FLOOD WARNING MEANS THAT DANGEROUS FLOODING IS ALREADY 
OCCURRING. TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY AND 
CONTINUE PRECAUTIONS UNTIL THE THREAT AND WARNING ARE OVER.

HILO IS STILL RECEIVING ITS HEAVIEST RAINFALL EVER IN 24 HOURS
WITH 26 INCHES INDICATED SO FAR. THE HEAVY THUNDERSHOWERS ARE 
STATIONARY APPEARING ANCHORED TO THEIR LOCATIONS. THESE CELLS ARE 
EXPECTED TO WEAKEN LATER THIS MORNING.

MOTORISTS SHOULD NOT ATTEMPT TO CROSS FAST FLOWING OR RISING 
WATER...MANY FLASH FLOOD DEATHS OCCUR WHEN MOTORISTS TRY CROSSING 
FLOODED ROADWAYS. ESCAPE RISING WATER BY CLIMBING DIRECTLY TO HIGHER 
GROUND. NEVER TRY TO OUTRUN A FLOOD EITHER ON FOOT OR IN YOUR 
VEHICLE. DO NOT CAMP NEAR STREAMS OR OTHER AREAS SUBJECT TO FLOODING.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 7:58 PM HSTFlash Flood WarningHFOKauai3 hr
Nov 1, 10:50 PM HSTFlash Flood WarningHFOKauai3 hr
Nov 1, 10:50 PM HSTFlash Flood WarningHFOKauai6 hr
Nov 2, 4:50 AM HSTFlash Flood WarningHFOKauai3 hr
Nov 2, 8:25 AM HSTFlash Flood WarningHFOHonolulu, Kauai3 hr
Nov 2, 8:52 AM HSTFlash Flood WarningHFOHonolulu, Kauai3 hr
Nov 2, 11:12 AM HSTFlash Flood WarningHFOKauai3 hr
Nov 2, 11:31 AM HSTFlash Flood WarningHFOHonolulu, Kauai3 hr

Nearby

Flash Flood Warnings in Hawaii, 2000Every flash flood warning in 2000

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; radar from the NEXRAD Level II archive.