Alert archive / Hawaii / Flash Flood Warnings in 2001

Flash Flood Warning 16, NWS Honolulu, HI

November 27, 2001

NWS Honolulu, HI issued this flash flood warning at Nov 27, 2001, 2:05 AM HST. 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 27, 2001, 2:05 AM HST (12:05 UTC)
Expired
Nov 27, 2001, 5:05 AM HST
In force
3 hr
Issued by
NWS Honolulu, HI
Area
Whole counties

The text

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

000 
WGHW50 PHFO 271210
FFWHI 
HIZ002-271505-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
205 AM HST TUE NOV 27 2001

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN OAHU
  INCLUDING THE COMMUNITIES OF...KAHUKU...LAIE AND HAUULA.
	 
* UNTIL 505 AM HST
	
* AT 205 AM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED HEAVY RAIN FALLING OVER THE NORTHERN PART OF OAHU...AND 
  ALONG THE KOOLAU MOUNTAINS NORTH OF A LINE FROM WAIHIAWA TO 
  KAAAWA. 

* EXCESSIVE RAINFALL WILL CONTINUE OVER THIS AREA AND MOVE SLOWLY 
  EASTWARD OVER THE NEXT SEVERAL HOURS.

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 OAHU 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.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER 
NATIONAL WEATHER SERVICE INFORMATION.
 
FARRELL     NATIONAL WEATHER SERVICE HONOLULU
1 follow-up statement
000 
WGHW70 PHFO 271352
FFSHI 
HIZ002-271500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
400 AM HST TUE NOV 27 2001

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR OAHU HAS BEEN 
CANCELLED....

A LINE OF THUNDERSTORMS THAT WAS OVER OAHU HAS MOVED AWAY TO THE 
EAST AND THE HEAVY RAIN HAS ENDED. 

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

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 Nov 26, 8:30 PM HST, 5 hours 35 minutes earlier.

Area forecast discussion, Nov 26, 8:30 PM HST, 5 hours 35 minutes before
HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE
NATIONAL WEATHER SERVICE HONOLULU HI
830 PM HST MON NOV 26 2001

SUMMARY...KONA LOW PRESSURE FORMING WEST OF KAUAI WILL BRING HEAVY
SHOWERS AND THUNDERSTORMS UP OVER THE STATE ALONG WITH GALE FORCE
SOUTHERLY WINDS. THESE CONDITIONS WILL LIKELY CONTINUE INTO TUESDAY
AS THE LOW PRESSURE CENTER GETS ORGANIZED. WINDS AND HEAVY RAINFALL
SHOULD EASE OFF TUESDAY NIGHT AS THE LOW BEGINS TO PULL AWAY TO THE
WEST.

DISCUSSION...A KONA LOW IS IN THE FORMATION PROCESS WEST OF THE
STATE. SOUTHERLY FLOW EAST OF THE DEVELOPING LOW IS EXTREMELY
STRONG...WITH DOPPLER RADAR SHOWING WINDS IN EXCESS OF 50 TO 60 KT
AT 1400 FEET OVER THE LEE SLOPES OF MT WAIALEALE...AND 40 TO 50 KT
OVER THE WATERS SOUTH OF KAUAI AT 500 FT ELEVATION. A HIGH WIND
WARNING HAS BEEN ISSUED FOR THE ISLANDS FROM KAUAI TO MAUI COUNTY
AND A GALE WARNING FOR ALL HAWAIIAN WATERS. MEANWHILE THE FRONT...
OR LEADING CONVERGENCE BAND OUT AHEAD OF THE DEVELOPING LOW IS NOW
OVER WESTERN KAUAI...WITH HEAVY RAINFALL BEING REPORTED AT KOKEE AND
HANALEI. DOPPLER RADAR SHOWS HEAVY RAINS OVER AND SOUTH OF KAUAI...
AND MOVING RAPIDLY NORTH OVER SOUTHWEST KAUAI. WITH THESE HEAVY
SHOWERS TRAINING...FLASH FLOODING IS POSSIBLE IF NOT LIKELY IN THIS
AREA AND SO A FLASH FLOOD WARNING HAS BEEN ISSUED FOR SOUTHWEST
KAUAI. ALSO...WITH THE ITCZ...INTER-TROPICAL CONVERGENCE ZONE...
BEING PULLED NORTHWARD OVER THE STATE BY THIS DEVELOPING KONA LOW...
HEAVY RAINS AND THUNDERSTORMS MAY POSSIBLY MOVE UP OVER ANY PART OF
THE STATE OVER THE NEXT 24 TO 48 HOURS. THUS THE FLASH FLOOD WATCH
HAS BEEN EXTENDED TO THE ENTIRE STATE AT 830 PM HST.

FORECAST MODELS KEEP THIS DEVELOPING KONA LOW NEARBY TO KAUAI
THROUGH TUESDAY...THEN SLOWLY EASE IT OFF TO THE WEST. THIS SHOULD
ALLOW THE WINDS AND HEAVY RAIN TO RELAX BEGINNING TUESDAY NIGHT. BUT
CLOUDS AND SHOWERS WILL LIKELY CONTINUE TO BE A FACTOR IN OUR
WEATHER THROUGH THE END OF THIS WEEK.

SURF REMAINS HIGH ON THE NORTHWEST FACING SHORES OF ALL THE ISLANDS.
BUOY 51001 IS CURRENTLY SHOWING SOME INCREASE IN SWELL HEIGHTS
MOVING PAST IT AT THIS TIME...SO SURF IS EXPECTED TO REMAIN IN THE
10 TO 25 FOOT RANGE WITH OCCASIONAL HIGHER SETS THROUGH TUESDAY
MORNING AT LEAST. FARRELL

.PHFO.....WARNINGS.....FLOOD FOR SW KAUAI. HIGH WIND ENTIRE STATE
.                      GALE FOR ALL HAWAII WATERS
.         WATCHES......FLOOD FOR ENTIRE STATE
.         ADVISORIES...HIGH SURF NORTHWEST SHORES
.         OUTLOOKS.....HYDROLOGIC REPLACED WITH WATCH AT 830 PM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 26, 7:05 PM HSTFlash Flood WarningHFOKauai3 hr
Nov 27, 3:40 AM HSTFlash Flood WarningHFO3 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.