Hawaii, 2017

Heavy Rain in Hawaii, April 11 to 14, 2017

April 11 to 14, 2017 · NWS HFO · 5 events in 3 counties and zones

An upper trough west of the islands induced heavy showers over Kauai, Oahu, and the Big Island. The precipitation caused 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

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.

An upper trough west of the islands induced heavy showers over Kauai, Oahu, and the Big Island. The precipitation caused small stream and drainage ditch flooding, and ponding on roadways. No serious property damage or injuries were reported.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Apr 11, 5:30 PM HST, 6 hours 17 minutes earlier.

Area forecast discussion, Apr 11, 5:30 PM HST, 6 hours 17 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 heavy rain. Local standard time, as filed.

Heavy Rain, Kauai

When
April 11, 11:47 PM HST to April 12, 2:37 AM HST
Where
Kauai County, 1.3 mi WNW of Kokee State Park to 0.84 mi ENE of Hanamaulu
Reported by
Official NWS Observations
Coordinates
22.137, -159.689

Heavy Rain, Honolulu

When
April 13, 3:28 PM HST to 10:30 PM HST
Where
Honolulu County, 0.7 mi NNW of Makaha Valley to 1.81 mi W of Kailua
Reported by
Official NWS Observations
Coordinates
21.489, -158.205

Heavy Rain, Hawaii

When
April 13, 11:41 PM HST to April 14, 2:30 AM HST
Where
Hawaii County, 0.85 mi NNW of Hawi to 4.81 mi NE of Waikoloa Village
Reported by
Official NWS Observations
Coordinates
20.242, -155.834

Heavy Rain, Honolulu

When
April 14, 4:37 AM HST to 6:26 AM HST
Where
Honolulu County, 0.14 mi ENE of Pearl City to 2.28 mi SSE of Kahuku
Reported by
Official NWS Observations
Coordinates
21.401, -157.978

Heavy Rain, Honolulu

When
April 14, 12:19 PM HST to 2:36 PM HST
Where
Honolulu County, 0.28 mi SSW of Waianae to 1.41 mi SSE of Aliamanu
Reported by
Official NWS Observations
Coordinates
21.446, -158.181

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

More

Every storm in Hawaii in 2017Every state in 2017This day in weather historyWarnings in Hawaii, April 2017

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: 684227, 684228, 684229, 684230, 684231.