Flash Flood Warning 22, NWS Honolulu, HI

Issued

Feb 27, 2004, 3:07 PM HST (01:07 UTC)

Expired

Feb 27, 2004, 6:00 PM HST

In force

3 hr

Issued by

NWS Honolulu, HI

Area

Counties, with a storm outline in the text

County Honolulu County, HI

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WGHW50 PHFO 280109
FFWHI 
HIZ005-006-280400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
307 PM HST FRI FEB 27 2004

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR
  LANAI
  MOLOKAI

* UNTIL 600 PM HST

* AT 300 PM HST...RADAR INDICATED A LINE OF VERY HEAVY RAIN OVER 
  MOLOKAI AND LANAI.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS
AND COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.

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 CROSSING FLOODED ROADWAYS. TURN AROUND...DO NOT
DROWN

ESCAPE RISING WATER BY CLIMBING DIRECTLY TO HIGHER GROUND. NEVER TRY
TO OUTRACE 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 OR OTHER LOCAL MEDIA SOURCES FOR THE
LATEST SEVERE WEATHER INFORMATION. REPORT FLOODING TO THE POLICE FOR
IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2067 15698 2080 15677 2120 15670 2126 15737
          2109 15734
$$

KODAMA

NWS Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Feb 27, 10:00 AM HST, 5 hours 7 minutes earlier.

HAWAIIAN ISLANDS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
10 AM HST FRI FEB 27 2004

.SYNOPSIS...
STRONG WINDS...HEAVY SHOWERS AND THUNDERSTORMS NOW AFFECTING KAUAI
AND OAHU WILL SPREAD TO MAUI COUNTY THIS AFTERNOON AND TO THE BIG
ISLAND TONIGHT. A COLD FRONT...STILL WEST OF KAUAI THIS MORNING...
WILL MOVE EASTWARD ACROSS THE STATE THROUGH SATURDAY. COOL...
UNSTABLE AIR BEHIND THE FRONT WILL KEEP ISOLATED HEAVY SHOWERS AND
POSSIBLE AFTERNOON THUNDERSTORMS OVER THE ISLANDS SATURDAY...BUT
MORE SUNSHINE ALONG WITH LIGHT WINDS WILL MAKE FOR A BETTER SUNDAY.

&&

.DISCUSSION...
A COLD FRONT STILL WEST OF KAUAI IS MOVING EAST SOUTHEAST AT ABOUT
20 MPH. THE FRONT HAS HEAVY SHOWERS AND THUNDERSTORMS IN BANDS TO
ITS EAST. THESE BANDS DROPPED AS MUCH AS 9 INCHES OF RAINFALL ON THE
ISLAND OF KAUAI OVERNIGHT...AND ARE EXPECTED TO BRING 2 TO 6 INCHES
OF RAINFALL TO OAHU TODAY AS THEY MOVE THROUGH. THE HEAVY RAIN WILL
MOVE OVER MAUI COUNTY THIS AFTERNOON...REACHING THE BIG ISLAND OF
HAWAII TONIGHT. THE FRONT AND ASSOCIATED HEAVY RAIN BANDS ARE
ASSOCIATED WITH A DEVELOPING LOW PRESSURE SYSTEM NOW NORTH OF THE
STATE. THE LOW IS EXPECTED TO MOVE SLOWLY OVER THE NEXT 24 TO 36
HOURS...AS THE UPPER LOW ASSOCIATED WITH THIS SYSTEM DOES A LOOP
NORTH OF THE STATE...THEN MOVE OFF TOWARD THE NORTH NORTHEAST. THE
UPPER LOW WILL CONTINUE INSTABILITY OVER THE ISLANDS ON SATURDAY...
BUT MORE STABLE CONDITIONS WILL REPLACE THE WET WEATHER BEGINNING ON
SUNDAY AS THE SURFACE AND UPPER LEVEL LOWS MOVE NORTH NORTHEAST AND
AWAY FROM THE STATE.

&&

.MARINE...
A NORTHWEST SWELL GENERATED BY A LARGE LOW NEAR THE KAMCHATKA
PENINSULA WILL RESULT IN RISING SURF TO WARNING LEVELS TODAY.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING TODAY KAUAI...OAHU...MOLOKAI...LANAI AND MAUI
FLOOD WATCH TODAY KAUAI...OAHU...MOLOKAI...LANAI AND MAUI
HIGH WIND WATCH THROUGH SATURDAY BIG ISLAND SUMMITS
HIGH SURF WARNING NORTH AND WEST FACING SHORES OF KAUAI...OAHU...
MOLOKAI AND MAUI
HIGH SURF ADVISORY WEST FACING SHORES OF THE BIG ISLAND OF HAWAII

FARRELL

Flash Flood Warnings in Hawaii, 2004Every flash flood warning in 2004

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.