Hawaii, 2022

Heavy Rain in Hawaii, April 16, 2022

April 16, 2022 · NWS HFO · 4 events in 4 counties and zones

With an upper trough moving over the area from the north, downpours occurred from the Big Island to Kauai. The precipitation 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
4

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 an upper trough moving over the area from the north, downpours occurred from the Big Island to Kauai. The precipitation caused ponding on roadways, and small stream and drainage ditch flooding. No serious injuries or property damage 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 16, 3:41 AM HST, 1 hour 25 minutes earlier.

Area forecast discussion, Apr 16, 3:41 AM HST, 1 hour 25 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

4 heavy rain. Local standard time, as filed.

Heavy Rain, Hawaii

When
April 16, 5:06 AM HST to 7:51 AM HST
Where
Hawaii County, 3.33 mi W of Honokaa to 1.9 mi SW of Volcano
Reported by
Official NWS Observations
Coordinates
20.083, -155.521

Heavy Rain, Maui

When
April 16, 9:51 AM HST to 12:18 PM HST
Where
Maui County, 0.12 mi ESE of Waiehu Village to 1.39 mi N of Koali
Reported by
Official NWS Observations
Coordinates
20.919, -156.518

Heavy Rain, Kauai

When
April 16, 3:21 PM HST to 5:45 PM HST
Where
Kauai County, 3.46 mi E of Na Pali Coast Sp to 1.75 mi S of Lawai
Reported by
Official NWS Observations
Coordinates
22.189, -159.597

Heavy Rain, Honolulu

When
April 16, 4:52 PM HST to 7:41 PM HST
Where
Honolulu County, 1.21 mi SSW of Kahuku to 0.64 mi NW of Saint Louis Heights
Reported by
Official NWS Observations
Coordinates
21.663, -157.955

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 2022Every state in 2022This day in weather historyWarnings in Hawaii, April 2022

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: 1013002, 1013003, 1013004, 1013005.