Heavy Rain, Honolulu
- When
- November 15, 11:15 AM HST to 1:40 PM HST
- Where
- Honolulu County, 1.55 mi WNW of Punaluu to 0.5 mi SSW of Puunui
- Reported by
- Official NWS Observations
- Coordinates
- 21.606, -157.923
Heavy Rain in Hawaii, November 15 to 18, 2020
A low and trough combination aloft triggered heavy showers and isolated thunderstorms over Oahu and Kauai. The rain produced small stream and drainage ditch flooding, and ponding on roadways.
Where it happened
Every event with a place to put it. 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
- 2
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.
A low and trough combination aloft triggered heavy showers and isolated thunderstorms over Oahu and Kauai. The rain produced small stream and drainage ditch flooding, and ponding on roadways. There were no reports of serious injuries or property damage.
The radar
The national radar mosaic for the moment the first event began.
Event by event
2 heavy rain. Local standard time, as filed.
Heavy Rain, Kauai
- When
- November 18, 8:42 AM HST to 11:15 AM HST
- Where
- Kauai County, 1.39 mi WNW of Hanalei to 2.24 mi SSW of Puhi
- Reported by
- Official NWS Observations
- Coordinates
- 22.204, -159.521
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Damaging Winds in Ohio, November 15, 2020
- High Wind and Strong Wind in Ohio, November 15, 2020
- Storm Surge and Coastal Flood in California, November 15, 2020
- Lakeshore Flood and High Wind in Michigan, November 15, 2020
- Lakeshore Flood and Damaging Winds in New York, November 15 to 16, 2020
- High Surf in Washington, November 15, 2020
- Damaging Winds in Pennsylvania, November 15, 2020
- Coastal Flood in Washington, November 15, 2020
- Damaging Winds in Maryland, November 15, 2020
- Damaging Winds and High Wind in Massachusetts, November 15 to 16, 2020
- High Wind and Strong Wind in Kentucky, November 15, 2020
- Damaging Winds in Ohio, November 15, 2020
More
Every storm in Hawaii in 2020Every state in 2020This day in weather historyWarnings in Hawaii, November 2020
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: 923615, 923616.