Alert archive / Hawaii / Flash Flood Warnings in 2004
Flash Flood Warning 3, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Jan 23, 2004, 1:30 AM HST for Honolulu County, Kauai County, Hawaii. 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
- Jan 23, 2004, 1:30 AM HST (11:30 UTC)
- Expired
- Jan 23, 2004, 4:30 AM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Whole counties
Counties Honolulu County, HI, Kauai County, HI
The nearest sounding before it
Lihue, (PHLI), launched 00:00Z, 11.5 hours before the alert went out and 60 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 329 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 993 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGHW50 PHFO 231130 FFWHI HIZ003-005-006-231430- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 130 AM HST FRI JAN 23 2004 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A * FLASH FLOOD WARNING FOR... LANAI MAUI MOLOKAI * UNTIL 430 AM HST * AT 130 AM HST...RADAR INDICATED VERY HEAVY RAIN OVER THE ISLANDS OF MAUI COUNTY FROM MOLOKAI ACROSS LANAI AND WEST MAUI INTO EAST MAUI. MORE SHOWERS ARE SEEN UPSTREAM SO MORE HEAVY RAINFALL IS TO BE EXPECTED. * LOCATIONS IN THE WARNING INCLUDE KAUNAKAKAI...LAHAINA...KIHEI...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. 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. $$ LAT...LON 2095 15771 2026 15693 2084 15570 2205 15666 ROSENDAL
2 follow-up statements
000 WGHW70 PHFO 231410 FFSHI HIZ003-005-006-231530- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 430 AM HST FRI JAN 23 2004 ...THE FLASH FLOOD WARNING FOR MOLOKAI...LANAI AND WEST MAUI IS CANCELLED AT 430 AM HST... ...A FLASH FLOOD WATCH REMAINS IN EFFECT TILL 4 PM HST FOR THE SAME ISLANDS... WEATHER RADAR INDICATES THAT THE HEAVY RAIN THAT CAUSED THE FLASH FLOODING HAS MOVED AWAY OR DIMINISHED. THE WARNING IS THEREFORE CANCELLED. THERE IS STILL A CHANCE OF HEAVY SHOWERS LATER TODAY THUS THE WATCH IS CONTINUED. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE. $$ ROSENDAL
000 WGHW70 PHFO 231426 CCA FFSHI HIZ003-005-006-231530- FLASH FLOOD STATEMENT...CORRECTED NATIONAL WEATHER SERVICE HONOLULU HI 430 AM HST FRI JAN 23 2004 CORRECTED HEADLINE BELOW ...THE FLASH FLOOD WARNING FOR MOLOKAI...LANAI AND MAUI IS CANCELLED AT 430 AM HST... ...A FLASH FLOOD WATCH REMAINS IN EFFECT TILL 4 PM HST FOR THE SAME ISLANDS... WEATHER RADAR INDICATES THAT THE HEAVY RAIN THAT CAUSED THE FLASH FLOODING HAS MOVED AWAY OR DIMINISHED. THE WARNING IS THEREFORE CANCELLED. THERE IS STILL A CHANCE OF HEAVY SHOWERS LATER TODAY THUS THE WATCH IS CONTINUED. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE. $$ ROSENDAL
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 Jan 22, 8:30 PM HST, 5 hours earlier.
Area forecast discussion, Jan 22, 8:30 PM HST, 5 hours before
HAWAIIAN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU 830 PM HST THU JAN 22 2004 .SYNOPSIS...HEAVY THUNDERSHOWERS HAVE REACHED KAUAI AT 8 PM AND WILL APPROACH THE OTHER ISLANDS LATER TONIGHT AND DURING THE DAY FRIDAY. LOCALLY GUSTY SOUTHWESTERLY WINDS WILL ACCOMPANY THE SHOWERS. && .DISCUSSION...A VERY MOIST AND UNSTABLE AIR MASS CONTINUES OVER THE STATE. SOUTHWESTERLY WINDS NEAR THE KAUAI END OF THE STATE AND SOUTHEASTERLIES NEAR BIG ISLAND WILL FUNNEL THIS TROPICAL MOISTURE IN OVER THE ISLANDS TONIGHT AND ON FRIDAY WITH HEAVY SHOWERS AND THUNDERSTORMS OCCURRING. ONE WEAK LOW PRESSURE SYSTEM JUST WEST OF KAUAI IS MOVING NORTH NORTHEAST PULLING THE HEAVIEST MOISTURE NORTHWARD WITH IT. THERE IS HOWEVER PLENTY MORE MOISTURE LEFT UPSTREAM FOR THE OTHER ISLANDS FOR ADDITIONAL SHOWERS. GUSTY SOUTHWEST WINDS WILL ACCOMPANY THE THUNDERSTORMS. THE HEAVY SHOWERS WILL LIKELY SPREAD EASTWARD DURING THE DAY FRIDAY TO THE OTHER ISLANDS WITH AN INCREASED CHANCE OF THE SHOWERS REACHING THE BIG ISLAND SATURDAY AND SUNDAY. AT THAT TIME AN UPPER LOW PRESSURE CIRCULATION CUTS OFF OR DEVELOPS OVER OUR AREA. AS THE UPPER LOW BECOMES ESTABLISHED BY EARLY NEXT WEEK OVER OR JUST EAST OF THE BIG ISLAND...THE CLOUD BAND WITH THE BULK OF THE HEAVY SHOWERS WILL BE CONCENTRATED OVER THE WATERS WELL EAST OF BIG ISLAND. THE LOW WILL HOWEVER BE CLOSE ENOUGH SO THERE MAY BE INSTABILITY SHOWERS OR HAIL SHOWERS WITHIN THE COLD CORE OF THE SYSTEM OVER THE BIG ISLAND. COOLER AND DRIER AIR ON NORTHERLY WINDS SHOULD THEN BE OVER THE STATE OR AT LEAST THE WESTERN ISLANDS FROM TUESDAY ON. && .HNL WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH.....KAUAI HIGH SURF ADVISORY....NORTH AND WEST SHORES ALL ISLANDS SMALL CRAFT ADVISORY..FOR LARGE SWELLS && ROSENDAL
Nearby
Flash Flood Warnings in Hawaii, 2004Every flash flood warning in 2004
Sources
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.