Flash Flood, Kauai
- When
- November 4, 2:45 PM HST to 5:00 PM HST
- Where
- Kauai County, Hanalei
- Reported by
- TRAINED SPOTTER
- Coordinates
- 22.011, -159.705 (the zone’s center; the record gives no point)
Flash Flood in Hawaii, November 4, 1999
Heavy showers caused by a Kona storm brought flooding to an area just west of the town of Hanalei and south of Hanalei Bay. 15 inches in a 15 minute period.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS HFO wrote it up.
Heavy showers caused by a Kona storm brought flooding to an area just west of the town of Hanalei and south of Hanalei Bay. A gage near the area reported rainfall as great as 1.15 inches in a 15 minute period. However, the Hanalei Brodge remained open and the flooding caused only minor inconvenience for a short time. No injuries or significant damage were reported.
The radar
The South Kauai radar (PHKI), 20 km away, was scanning. The volume nearest the first event began at 00:46 UTC.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
More
Every storm in Hawaii in 1999Every state in 1999This day in weather historyWarnings in Hawaii, November 1999
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 5721685.