Flood, Hawaii
- When
- April 11, 3:45 PM HST to 7:00 PM HST
- Where
- Hawaii County, Kailua Kona
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 19.602, -155.523 (the zone’s center; the record gives no point)
Flood in Hawaii, April 11, 1999
Upslope heavy showers over North and South Kona districts caused widespread flooding of streets and low-lying areas along the coast.
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.
Upslope heavy showers over North and South Kona districts caused widespread flooding of streets and low-lying areas along the coast.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flood. Local standard time, as filed.
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Rip Current in Guam, April 11, 1999
- Damaging Wind in North Carolina, April 11, 1999
- Tornado and Damaging Winds in North Carolina, April 11, 1999
- Hail in North Carolina, April 11, 1999
- Tornadoes and Hail in North Carolina, April 11, 1999
- Winter Storm in Michigan, April 11, 1999
- Funnel Clouds in North Carolina, April 11, 1999
- Heavy Snow in California, April 11 to 12, 1999
- Hail in Pennsylvania, April 11, 1999
- Flooding in California, April 11, 1999
- Hail in Tennessee, April 11, 1999
- Flash Flood in Ohio, April 11, 1999
More
Every storm in Hawaii in 1999Every state in 1999This day in weather historyWarnings in Hawaii, April 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 2026-09-24. Each event’s entry at NCEI: 5686404.