Hawaii, 2003

Heavy Rain in Hawaii, April 7, 2003

April 7, 2003 · NWS HFO · 1 event in 1 county or zone

Heavy showers produced ponding of roadways, and small stream and drainage ditch flooding in southeastern, southern, and leeward sections of Oahu. No serious property damage or injuries were reported.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

Heavy showers produced ponding of roadways, and small stream and drainage ditch flooding in southeastern, southern, and leeward sections of Oahu. 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 7, 4:44 AM HST, 4 hours 56 minutes earlier.

Area forecast discussion, Apr 7, 4:44 AM HST, 4 hours 56 minutes before
NARRATIVE SYNOPTIC DISCUSSION FOR WAKE ISLAND

HIGH PRESSURE 1000 NAUTICAL MILES TO THE NORTH WILL KEEP 15 TO 20
KNOT EAST NORTHEAST TRADEWINDS BLOWING OVER WAKE. THE TRADES WILL
CARRY SCATTERED TO BROKEN CLOUDS OVER WAKE AND THESE CLOUDS MAY
PRODUCE ISOLATED SHOWERS. NO SIGNIFICANT SWELL IS EXPECTED.

The radar

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

Open the radar archive at this moment

Event by event

1 heavy rain. Local standard time, as filed.

Heavy Rain, Honolulu

When
April 7, 9:40 AM HST to 4:35 PM HST
Where
Honolulu County, Kaneohe
Reported by
OFFICIAL NWS OBS.
Coordinates
21.455, -157.961 (the zone’s center; the record gives no point)

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 2003Every state in 2003This day in weather historyWarnings in Hawaii, April 2003

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 2026-09-24. Each event’s entry at NCEI: 5329327.