Hawaii, 2001

Flood in Hawaii, October 25, 2001

October 25, 2001 · NWS HFO · 1 event in 1 county or zone

Thunderstorms and heavy showers caused minor stream and drainage ditch flooding and ponding of roadways in southeastern, central, and northern parts of Oahu. No significant injuries or property damage 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

Open the live radar over this ground

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.

Thunderstorms and heavy showers caused minor stream and drainage ditch flooding and ponding of roadways in southeastern, central, and northern parts of Oahu. No significant 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 Oct 25, 10:00 AM HST, 4 hours 20 minutes earlier.

Area forecast discussion, Oct 25, 10:00 AM HST, 4 hours 20 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

1 flood. Local standard time, as filed.

Flood, Honolulu

When
October 25, 2:20 PM HST to 5:20 PM HST
Where
Honolulu County, Honolulu
Reported by
OFFICIAL NWS OBS.
Coordinates
21.455, -157.961 (the zone’s center; the record gives no point)

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Hawaii in 2001Every state in 2001This day in weather historyWarnings in Hawaii, October 2001

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: 5271593.