Alert archive / Hawaii / Flash Flood Warnings in 2001

Flash Flood Warning 7, NWS Honolulu, HI

March 24, 2001

NWS Honolulu, HI issued this flash flood warning at Mar 24, 2001, 10:10 PM 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
Mar 24, 2001, 10:10 PM HST (08:10 UTC)
Expired
Mar 25, 2001, 1:10 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 250814
FFWHI 
HIZ002-251110-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
1010 PM HST SAT MAR 24 2001

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OAHU
  INCLUDING THE COMMUNITIES OF...MILILANI...WAIPIO...WAIPAHU...
  MAKAKILO...NANAKULI
	 
* UNTIL 110 AM HST
	
* AT 1000 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED STRONG THUNDERSTORMS CONTINUING OVER CENTRAL AND         
  SOUTHWEST OAHU.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE                      
  NEAR...MILILANI...WAIPIO...WAIPAHU...MAKAKILO...NANAKULI

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

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

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.
 
POWELL     NATIONAL WEATHER SERVICE HONOLULU
1 follow-up statement
000 
FGHW50 PHFO 251100
FFSHI 
HIZ002-251200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1245 AM HST SUN MAR 25 2001

THE FLASH FLOOD WARNING FOR THE ISLAND OF OAHU IS CANCELLED
AT 1245 AM HST.

THE URBAN AND SMALL STREAM FLOOD ADVISORY FOR THE ISLAND OF
OAHU IS CANCELLED AT 1245 AM HST.

AT 1230 AM...RADAR SHOWED SHOWERS DECREASING ACROSS OAHU.  
ALSO...THUNDERSTORM ACTIVITY HAS CEASED.

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

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 24, 8:30 PM HST, 1 hour 40 minutes earlier.

Area forecast discussion, Mar 24, 8:30 PM HST, 1 hour 40 minutes before
AFDHI
HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE
NATIONAL WEATHER SERVICE HONOLULU HI
830 PM HST SAT MAR 24 2001

SUMMARY...CLOUDS...SHOWERS AND ISOLATED THUNDERSTORMS PERSIST ACROSS
THE STATE TONIGHT AS SOUTHERLY 10 TO 20 MPH WINDS BRING IN LOW LEVEL
MOISTURE.  WINDS WILL BECOME SOUTHEASTERLY TOMORROW AND GRADUAL
DRYING SHOULD OCCUR. SUNNIER WEATHER IS EXPECTED TO RETURN FOR MUCH
OF NEXT WEEK AS THE SURFACE RIDGE OVER THE ISLANDS STRENGTHENS AGAIN.

DISCUSSION...SHOWERS...SOME HEAVY WITH ISOLATED
THUNDERSTORMS...ASSOCIATED WITH AN UPPER LEVEL TROUGH ARE MOVING
ACROSS THE CENTRAL ISLANDS THIS EVENING. WHILE MOST OF THE ACTIVITY
LIES NORTH OF THE ISLANDS...RADAR SHOWS MODERATE TO HEAVY SHOWERS
AND POSSIBLE THUNDERSTORMS ACROSS PORTIONS OF WEST OAHU AND JUST
SOUTHWEST OF MOLOKAI AND LANAI. MOVEMENT IS TO THE NORTH NORTHEAST
AT ABOUT 20 MILES PER HOUR. MODELS SHOW THIS UPPER TROUGH MOVING
EASTWARD TONIGHT AND SUNDAY...RESULTING IN DECREASING SHOWERS AFTER
TONIGHT. AS THE NEW WEEK BEGINS WE WILL BE UNDER A RIDGE OF HIGH
PRESSURE AT THE SURFACE AND ALOFT SO SUNNIER WEATHER WILL
PREDOMINATE. OTHER FEATURES IN THE COMING WEEK INCLUDE A LARGE AND
BROAD TROUGH IN THE UPPER WESTERLIES NEAR THE DATELINE AROUND
MIDWEEK AND A CUTOFF LOW ALOFT APPROACHING FROM THE EAST.
HOWEVER...THE ISLANDS SHOULD REMAIN IN THE STABLE ANTICYCLONIC FLOW
IN BETWEEN THESE SYSTEMS THROUGH THE FORECAST PEReIOD.  POWELL

.PHFO.....WARNINGS.....NONE
.         WATCHES......NONE
.         ADVISORIES...NONE.

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.