Flash Flood Warning 14, NWS Honolulu, HI

Issued

Oct 24, 2001, 6:50 PM HST (04:50 UTC)

Expired

Oct 24, 2001, 9:50 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 04:49 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 250451
FFWHI 
HIZ003-250750-

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

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MAUI
  INCLUDING THE COMMUNITIES OF...KEANAE...KAILUA...HANA AND THE 
  SEVEN SACRED POOLS AREA.
	 
* UNTIL 950 PM HST
	
* AT 650 PM HST...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED STRONG THUNDERSTORMS DEVELOPING OVER THE EASTERN TIP OF 
  MAUI AND AND THE EAST AND SOUTHEAST SLOPES OF HALEAKALA...AND 
  ALONG THE HANA ROAD BETWEEN KAILUA AND KEANAE.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE OVER EASTERN MAUI 
  AND ALONG THE HANA ROAD FOR 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 MAUI 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

NWS Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Oct 24, 6:45 PM HST, 5 minutes earlier.

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

SUMMARY...FLASH FLOODING IS CONTINUING OVER THE EASTERN SECTIONS OF
THE BIG ISLAND AND NOW MAUI. THUNDERSTORMS AND HEAVY SHOWERS CAN BE
EXPECTED TO CONTINUE IN THESE AREAS THROUGH MUCH OF THE NIGHT.
CLOUDS AND SHOWERS ARE ALSO EXPECTED OVER THE OTHER ISLANDS THROUGH
TONIGHT AND INTO THURSDAY. WINDS WILL BE LIGHT THROUGH FRIDAY.

DISCUSSION...THE COMBINATION OF INCREASED MOISTURE AND INSTABILITY
IS PRODUCING HEAVY SHOWERS AND THUNDERSTORMS OVER THE BIG ISLAND AND
MAUI THIS EVENING AND THIS IS EXPECTED TO CONTINUE INTO THE NIGHT.
CONDITIONS ARE RIGHT...WITH DIVERGENCE ALOFT ASSOCIATED WITH AN
UPPER LOW NORTHEAST OF THE BIG ISLAND AND CONVERGENCE AT THE SURFACE
DUE TO A SURFACE TROUGH NEAR KAUAI. 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. FARRELL

.PHFO......WARNINGS.....FLASH FLOOD EAST BIG ISLAND AND MAUI
.          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.