Hawaii, 2019

Heavy Rain in Hawaii, April 26 to 29, 2019

April 26 to 29, 2019 · NWS HFO · 13 events in 4 counties and zones

With weak surface flow, abundant low level moisture, and a transiting upper trough over the state; heavy showers and isolated thunderstorms formed over the islands. The rainfall caused ponding on roadways, and small stream and drainage ditch flooding.

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
13

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.

With weak surface flow, abundant low level moisture, and a transiting upper trough over the state; heavy showers and isolated thunderstorms formed over the islands. The rainfall caused ponding on roadways, and small stream and drainage ditch flooding. No serious injuries or property damage were reported.

The radar

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

Open the radar archive at this moment

Event by event

13 heavy rain. Local standard time, as filed.

Heavy Rain, Honolulu

When
April 26, 5:32 PM HST to 8:22 PM HST
Where
Honolulu County, 2.89 mi WSW of Mililani Town to 0.59 mi NE of Puunui
Reported by
Official NWS Observations
Coordinates
21.435, -158.062

Heavy Rain, Honolulu

When
April 26, 10:25 PM HST to April 27, 1:25 AM HST
Where
Honolulu County, 1.88 mi WNW of Punaluu to 0.56 mi NW of Waimanalo Beach
Reported by
Official NWS Observations
Coordinates
21.609, -157.928

Heavy Rain, Hawaii

When
April 26, 10:27 PM HST to April 27, 12:30 AM HST
Where
Hawaii County, 6.52 mi SSW of Kona Village Resort to 4.84 mi E of Honaunau National Pk
Reported by
Official NWS Observations
Coordinates
19.738, -156.000

Heavy Rain, Kauai

When
April 26, 10:39 PM HST to April 27, 12:30 AM HST
Where
Kauai County, 3.39 mi ESE of Kilauea to 0.87 mi S of Wailua
Reported by
Official NWS Observations
Coordinates
22.194, -159.355

Heavy Rain, Hawaii

When
April 27, 1:59 AM HST to 3:12 AM HST
Where
Hawaii County, 1.44 mi SE of Upolu Airport to 2.73 mi ESE of Kawaihae
Reported by
Official NWS Observations
Coordinates
20.254, -155.855

Heavy Rain, Maui

When
April 28, 11:23 AM HST to 1:09 PM HST
Where
Maui County, 1.61 mi S of Halawa Valley to 1.69 mi NW of Maunaloa
Reported by
Official NWS Observations
Coordinates
21.147, -156.753

Heavy Rain, Honolulu

When
April 28, 2:22 PM HST to 6:08 PM HST
Where
Honolulu County, 2.6 mi SW of Mokuleia to 1.37 mi SW of Waimanalo
Reported by
Official NWS Observations
Coordinates
21.555, -158.210

Heavy Rain, Hawaii

When
April 28, 7:48 PM HST to April 29, 12:17 AM HST
Where
Hawaii County, 0.93 mi WNW of Hawi to 3.26 mi WSW of Saddle Road Junction
Reported by
Official NWS Observations
Coordinates
20.236, -155.843

Heavy Rain, Honolulu

When
April 29, 11:24 AM HST to 3:47 PM HST
Where
Honolulu County, 0.59 mi SW of Waialua to 1.19 mi S of Pearl City
Reported by
Official NWS Observations
Coordinates
21.574, -158.136

Heavy Rain, Maui

When
April 29, 11:29 AM HST to 1:57 PM HST
Where
Maui County, 0.7 mi SW of Manele Harbor to 2.46 mi NW of Koele
Reported by
Official NWS Observations
Coordinates
20.743, -156.888

Heavy Rain, Honolulu

When
April 29, 12:08 PM HST to 4:48 PM HST
Where
Honolulu County, 1.51 mi NW of Kahaluu to 1.37 mi SSE of Hawaii Kai
Reported by
Official NWS Observations
Coordinates
21.464, -157.848

Heavy Rain, Maui

When
April 29, 1:52 PM HST to 3:49 PM HST
Where
Maui County, 1.63 mi NNE of Keawakapu to 1.41 mi SE of Pulehu
Reported by
Official NWS Observations
Coordinates
20.722, -156.441

Heavy Rain, Hawaii

When
April 29, 3:11 PM HST to 8:48 PM HST
Where
Hawaii County, 1.42 mi SW of Hawi to 2.29 mi NE of Pahala
Reported by
Official NWS Observations
Coordinates
20.214, -155.844

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 2019Every state in 2019This day in weather historyWarnings in Hawaii, April 2019

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: 811868, 811869, 811870, 811871, 811872, 811873, 811874, 811875, 811876, 811877, 811878, 811879, 811880.