Alert archive / Hawaii / Flash Flood Warnings in 2001

Flash Flood Warning 13, NWS Honolulu, HI

October 24, 2001Kauai County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Oct 24, 2001, 6:25 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
Oct 24, 2001, 6:25 PM HST (04:25 UTC)
Expired
Oct 24, 2001, 9:25 PM 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 04:25 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 00:00Z, 4.4 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 2001-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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 00:00Z on 2001-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
30 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1312 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
-6 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 250439
FFWHI 
HIZ004-250725-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
625 PM HST WED OCT 24 2001

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH AND EAST HAWAII
  INCLUDING THE COMMUNITIES OF...HILO AND THE PUNA DISTRICT
	 
* UNTIL 925 PM HST
	
* AT 625 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED STRONG THUNDERSTORMS CONTINUING TO DEVELOP IN AND AROUND 
  THE HILO AREA AND OVER PORTIONS OF THE PUNA DISTRICT.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR...HILO AND THE 
  NORTH PUNA DISTRICT. THUNDERSTORMS HAVE ALSO BEGUN IN THE 
  VOLCANOES NATIONAL PARK AREA.

FLASH FLOODING IS EXPECTED IN NORMALLY DRY STREAMBEDS DURING THE 
NEXT THREE HOURS. PERSONS IN LOW-LYING OR FLOOD PRONE AREAS SHOULD 
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. 
PERSON ON NORTH AND EAST HAWAII 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. DO NOT CAMP NEAR STREAMS OR OTHER 
AREAS SUBJECT TO FLOODING.

THIS STORM WILL PRODUCE DANGEROUS LIGHTNING. LIGHTNING IS A LEADING 
KILLER AND PRECAUTIONS SHOULD BE TAKEN TO AVOID BEING STRUCK BY 
LIGHTNING. STAY OUT FROM UNDER TALL TREES AND AWAY FROM THE OCEAN 
AND BEACHES IF LIGHTNING IS OCCURRING. DO NOT TOUCH OR REMAIN CLOSE 
TO METAL POLES OR FENCES.

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
Oct 24, 3:25 PM HSTFlash Flood WarningHFOKauai3 hr
Oct 24, 6:15 PM HSTFlash Flood WarningHFOKauai3 hr
Oct 24, 6:50 PM HSTFlash Flood WarningHFOKauai3 hr

Nearby

Flash Flood Warnings in Hawaii, 2001Every flash flood warning in 2001

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.