Alert archive / Hawaii / Flash Flood Warnings in 2005

Flash Flood Warning 2, NWS Honolulu, HI

January 1, 2005Kauai County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Jan 1, 2005, 8:18 AM HST for 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 outline as issued.

The facts

Issued: Jan 1, 2005, 8:18 AM HST (18:18 UTC)
Expired: Jan 1, 2005, 11:15 AM HST
In force: 3 hr
Issued by: NWS Honolulu, HI
Area: Counties, with a storm outline in the text

County Kauai County, HI

The nearest sounding before it

Lihue, (PHLI), launched 12:00Z, 6.3 hours before the alert went out and 29 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 180 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 935 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WGHW50 PHFO 011820
FFWHFO
HIC007-012115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
818 AM HST SAT JAN 1 2005

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE ISLAND OF KAUAI

* UNTIL 1115 AM HST

* AT 815 AM HST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING RECENT HEAVY RAINS IN LIHUE AND AT THE HANALEI BRIDGE. 
  EXCESSIVE RUNOFF WILL CONTINUE THROUGH AT LEAST MID-MORNING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  WAIMEA...WAILUA...LIHUE...KOLOA...KAPAA...KILAUEA... 
  KALAHEO...HANAPEPE...HANALEI...AND ANAHOLA.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS
AND COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. FLASH 
FLOODING OF STREAMS...HIGHWAYS...UNDERPASSES AND LOW LYING AREAS IS 
ALSO EXPECTED.

NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. MANY FLASH FLOOD 
DEATHS OCCUR WHEN MOTORISTS TRY TO CROSS FLOODED ROADWAYS. FIND AN 
ALTERNATE ROUTE.

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 2182 15989 2188 15915 2231 15926 2226 15992

$$
R BALLARD

1 follow-up statement

000
WGHW70 PHFO 012019
FFSHFO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1020 AM HST SAT JAN 1 2005

HIC007-012115-
KAUAI-
1020 AM HST SAT JAN 1 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1115 AM HST FOR KAUAI...

AT 1020 AM HST...RADAR INDICATED A BAND OF HEAVY SHOWERS AND 
POSSIBLE THUNDERSTORMS ALONG THE EASTERN SHORE OF KAUAI. THERE WERE 
ONLY SCATTERED SHOWERS OVER THE WESTERN PART OF KAUAI AND THE AREA 
AROUND NIIHAU.

ALTHOUGH SHOWERS AND STORMS WILL BE DIMINISHING OVER KAUAI DURING 
THE MIDDAY HOURS...THERE WILL STILL BE DANGEROUS RUNOFF FOR SEVERAL 
MORE HOURS.

THERE HAVE BEEN SEVERAL REPORTS OF FLASH FLOODING...ROAD CLOSURES...
AND ROCKSLIDES RELAYED TO US BY THE PUBLIC.  PLEASE REPORT FLASH 
FLOODING TO LOCAL POLICE FOR IMMEDIATE RELAY TO THE NATIONAL WEATHER 
SERVICE. 

NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. SEEK AN 
ALTERNATE ROUTE. MANY FLOOD DEATHS OCCUR BECAUSE MOTORISTS TRY TO 
CROSS FLOODED ROADS. TURN AROUND...DON/T DROWN. 

LAT...LON 2177 15986 2181 15908 2236 15927 2222 15992

$$
R BALLARD

The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 1, 5:20 AM HST	Flash Flood Warning	HFO	Kauai	3 hr
Jan 1, 8:35 AM HST	Special Marine Warning	HFO		55 min
Jan 1, 8:50 AM HST	Special Marine Warning	HFO		40 min
Jan 1, 9:30 AM HST	Special Marine Warning	HFO		90 min
Jan 1, 11:01 AM HST	Special Marine Warning	HFO		89 min
Jan 1, 11:15 AM HST	Flash Flood Warning	HFO	Kauai	3 hr
Jan 1, 12:30 PM HST	Special Marine Warning	HFO		60 min

Nearby

Flash Flood Warnings in Hawaii, 2005 Every flash flood warning in 2005

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.