Alert archive / Hawaii / Flash Flood Warnings in 2004
Flash Flood Warning 27, NWS Honolulu, HI
NWS Honolulu, HI issued this flash flood warning at Feb 27, 2004, 8:24 PM HST for Honolulu 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 outline as issued.
The facts
- Issued
- Feb 27, 2004, 8:24 PM HST (06:24 UTC)
- Expired
- Feb 27, 2004, 11:30 PM HST
- In force
- 3 hr
- Issued by
- NWS Honolulu, HI
- Area
- Counties, with a storm outline in the text
County Honolulu County, HI
Did it verify
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.
The nearest sounding before it
Hilo, (PITO), launched 00:00Z, 6.4 hours before the alert went out and 250 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
- 3 J/kg
- Mixed-layer CIN
- -360 J/kg
- Mixed-layer LCL
- 1399 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 358 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGHW50 PHFO 280642 FFWHI HIZ005-006-280930- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HONOLULU HI 824 PM HST FRI FEB 27 2004 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CONTINUED A * FLASH FLOOD WARNING FOR LANAI AND EAST MOLOKAI * UNTIL 1130 PM HST * AT 820 PM HST...RADAR INDICATED CONTINUING RAINFALL OVER EASTERN MOLOKAI AND LANAI. CIVIL DEFENSE ALSO REPORTED FLOODING NEAR KAMALO. 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 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 2125 15703 2078 15713 2068 15686 2122 15670 $$ KODAMA
1 follow-up statement
000 WGHW70 PHFO 280932 FFSHI HIZ005-006-281030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE HONOLULU HI 1130 PM HST FRI FEB 27 2004 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR EAST MOLOKAI AND LANAI... WEATHER RADAR INDICATED THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA....AND THERE IS NO LONGER A THREAT FOR SERIOUS FLOODING. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER INFORMATION FROM THE NATIONAL WEATHER SERVICE. $$ CRAIG
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 Feb 27, 4:00 PM HST, 4 hours 24 minutes earlier.
Area forecast discussion, Feb 27, 4:00 PM HST, 4 hours 24 minutes before
HAWAIIAN ISLANDS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 4 PM HST FRI FEB 27 2004 .SYNOPSIS... THE COLD FRONT HAS MOVED THROUGH KAUAI AND SITS IN THE KAUAI CHANNEL. STRONG WINDS...HEAVY SHOWERS AND THUNDERSTORMS CONTINUE TO THE EAST OF THE FRONT. THE HEAVY RAINFALL AND STRONG WINDS WILL CONTINUE THROUGH THE NIGHT...AND INTO SATURDAY OVER THE BIG ISLAND. ELSEWHERE...SHOWERS WILL GRADUALLY DIMINISH...BUT UNSTABLE AIR WILL REMAIN OVER THE ISLANDS FOR THE NEXT SEVERAL DAYS...PROMOTING SCATTERED SHOWERS WITH A CHANCE OF AFTERNOON THUNDERSTORMS. TRADES ARE EXPECTED TO GRADUALLY RETURN BY MIDWEEK. && .DISCUSSION... A COLD FRONT IN THE KAUAI CHANNEL IS MOVING SLOWLY EAST...WITH HEAVY SHOWERS AND THUNDERSTORMS IN BANDS FAR TO ITS EAST. THESE BANDS DROPPED AS MUCH AS 9 INCHES OF RAINFALL ON THE ISLANDS OF KAUAI AND OAHU...AND ARE EXPECTED TO BRING 2 TO 6 INCHES OF RAINFALL TO MAUI COUNTY AND THE BIG ISLAND TONIGHT INTO SATURDAY. THE FRONT AND ASSOCIATED HEAVY RAIN BANDS ARE ASSOCIATED WITH A LOW PRESSURE SYSTEM NOW NORTH OF THE STATE. THE LOW IS EXPECTED TO MOVE VERY SLOWLY NORTHEASTWARD OVER THE NEXT 24 TO 36 HOURS...AS AN UPPER LOW ASSOCIATED WITH THIS SYSTEM DOES A LOOP NORTH OF THE STATE...THEN MOVE OFF TOWARD THE NORTH NORTHEAST. THE UPPER LOW WILL MAINTAIN INSTABILITY OVER THE ISLANDS OVER THE WEEKEND...BUT THE WEATHER WILL GRADUALLY DRY OUT...AT LEAST OVER LEEWARD SIDES...NEXT WEEK. && .MARINE... A NORTHWEST SWELL CONTINUES TO PRODUCE VERY LARGE SURF ALONG NORTH AND WEST FACING SHORES...WITH A HIGH SURF WARNING IN EFFECT. GALE WARNINGS CONTINUE IN THE CHANNELS AND COASTAL WATERS. && .HFO WATCHES/WARNINGS/ADVISORIES... HIGH WIND WARNING TONIGHT ALL ISLANDS BUT KAUAI FLASH FLOOD WATCH TOMOGHT ALL ISLANDS BUT KAUAI WINTER STORM WARNING FOR BIG ISLAND SUMMITS THROUGH SATURDAY HIGH SURF WARNING NORTH AND WEST FACING SHORES OF ALL ISLANDS BUT LANAI THROUGH SATURDAY FARRELL
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 2:31 PM HST | Flash Flood Warning | HFO | 3 hr | |
| Feb 27, 3:07 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Feb 27, 4:20 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Feb 27, 5:20 PM HST | Flash Flood Warning | HFO | 3 hr | |
| Feb 27, 5:41 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Feb 27, 5:50 PM HST | Flash Flood Warning | HFO | Honolulu | 3 hr |
| Feb 27, 8:36 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Feb 27, 9:50 PM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
| Feb 27, 11:30 PM HST | Flash Flood Warning | HFO | Kauai | 3 hr |
| Feb 28, 12:45 AM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
| Feb 28, 3:30 AM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
| Feb 28, 6:30 AM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
| Feb 28, 9:25 AM HST | Flash Flood Warning | HFO | Honolulu, Kauai | 3 hr |
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.