Heavy Rain in Hawaii, November 29 to 30, 2009

Name: Heavy Rain in Hawaii, November 29 to 30, 2009
Start: 2009-11-29T20:58
End: 2009-11-30T00:37
Location: Hawaii

November 29 to 30, 2009 · NWS HFO · 2 events in 2 counties and zones

A short wave upper trough moving over the Hawaiian Islands triggered heavy showers. No serious injuries or property damage were reported.

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: 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 short wave upper trough moving over the Hawaiian Islands triggered heavy showers. 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 Nov 29, 7:44 PM HST, 1 hour 14 minutes earlier.

Area forecast discussion, Nov 29, 7:44 PM HST, 1 hour 14 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

2 heavy rain. Local standard time, as filed.

Heavy Rain, Maui

When: November 29, 8:58 PM HST to 11:49 PM HST
Where: Maui County, 0.65 mi SE of Kahakuloa to 0.59 mi NNE of Napili
Reported by: Official NWS Observations
Coordinates: 20.993, -156.544

Heavy Rain, Hawaii

When: November 29, 10:17 PM HST to November 30, 12:37 AM HST
Where: Hawaii County, 0.78 mi ESE of Upolu Airport to 0.79 mi ESE of Hawi
Reported by: Official NWS Observations
Coordinates: 20.264, -155.860

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

Every storm in Hawaii in 2009 Every state in 2009 This day in weather history Warnings in Hawaii, November 2009

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: 199764, 199765.