Flash Flood Warning 11, NWS Honolulu, HI

Issued

Oct 24, 2001, 3:25 PM HST (01:25 UTC)

Expired

Oct 24, 2001, 6:25 PM HST

In force

3 hr

Issued by

NWS Honolulu, HI

Area

Whole counties

County Kauai County, HI

The South Kauai radar (PHKI), 20 km from the middle of the area, began a volume at 01:29 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.

000 
WGHW50 PHFO 250125
FFWHI 
FFWHI
HIZ004-250425-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
325 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.
	 
* UNTIL 625 PM HST
	
* AT 325 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED THUNDERSTORMS AND HEAVY SHOWERS CONTINUING OVER THE CITY 
  OF HILO AND AREAS IMMEDIATELY UPSLOPE.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR HILO...

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.

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

NWS Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Oct 24, 3:25 PM HST, 0 minutes earlier.

HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE
NATIONAL WEATHER SERVICE HONOLULU HI
4 PM HST WED OCT 24 2001

SUMMARY...EXPECT LIGHT WINDS THROUGH FRIDAY ALONG WITH SCATTERED
SHOWERS MAINLY IN THE AFTERNOONS AND EVENINGS. THUNDERSTORMS ARE
POSSIBLE ON THE BIG ISLAND THIS EVENING...AND ON THE OTHER ISLANDS
AS WELL THURSDAY AND FRIDAY. A COLD FRONT FRIDAY NIGHT INTO SATURDAY
WILL BRING MORE HEAVY SHOWERS TO MAINLY WINDWARD AND MAUKA SECTIONS
OF THE SMALLER ISLANDS. WINDS MAY PICK UP SATURDAY FOR A BRIEF
PERIOD.

DISCUSSION...THE COMBINATION OF INCREASED MOISTURE AND INSTABILITY
IS EXPECTED TO PRODUCE HEAVY SHOWERS OVER THE BIG ISLAND THIS
EVENING. THUNDERSTORMS ARE POSSIBLE THERE AS WELL. AN UPPER LOW JUST
NORTH OF THE STATE PROVIDES THE INSTABILITY...WHILE AN ASSOCIATED
SURFACE TROUGH ACROSS THE CENTRAL ISLANDS PROVIDES THE MOISTURE. THE
POSSIBILITY OF HEAVY SHOWERS AND THUNDERSTORMS WILL SPREAD TO THE
SMALLER ISLANDS THURSDAY AND FRIDAY AS THE SURFACE TROUGH AND
ASSOCIATED MOISTURE FIELD MOVES WESTWARD. MODELS SHOW A COLD FRONT
WILL MOVE OVER KAUAI FRIDAY NIGHT...BRINGING MORE HEAVY SHOWERS
MAINLY TO WINDWARD AND MAUKA SECTIONS. THIS FRONT AND ITS WEATHER
WILL MOVE DOWN TO ABOUT MAUI ON SATURDAY...THEN STALL...WITH SHOWERS
CONTINUING OVER THE STATE THROUGH THE WEEKEND AND INTO NEXT WEEK.
POWELL

.PHFO......WARNINGS.....NONE
.          WATCHES......FLOOD WATCH ALL ISLANDS
.          ADVISORIES...NONE

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

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.