American Samoa, 2026

Heavy Rain in American Samoa, March 26 to 30, 2026

March 26 to 30, 2026 · NWS ASO · 2 events in 2 counties and zones

A persistent, slow-moving trough remained over the American Samoa islands between March 26 and March 30. 45 inches of rainfall during this time.

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

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The toll

Deaths
0
Injuries
0
Property damage
$11,000
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 ASO wrote it up.

A persistent, slow-moving trough remained over the American Samoa islands between March 26 and March 30. WFO American Samoa recorded a total of 5.45 inches of rainfall during this time. This led to saturated soils that triggered multiple landslides across the territory.

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, Manu'A

When
March 26, 6:00 AM SST to 3:00 PM SST
Where
Manu'A County, 6.17 mi NNE of Ta'U
Property damage
$10,000
Reported by
Public
Coordinates
-14.216, -169.469

On the morning of March 26, a landslide was reported on Ta u Island with large boulders and debris blocking the main road between Fitiuta and Ta u Village. The landslide made the road impassable in both directions until early afternoon, when local crews successfully cleared the site and restored access. No injuries were reported.

Heavy Rain, Tutuila

When
March 30, 8:00 AM SST to 10:00 AM SST
Where
Tutuila County, 10.45 mi WNW of Vaitogi
Property damage
$1,000
Reported by
Public
Coordinates
-14.318, -170.831

A landslide was reported at Poloa Village on the morning of March 30, scattering debris and rocks across the main road. No injuries were reported.

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 American Samoa in 2026Every state in 2026This day in weather historyWarnings in American Samoa, March 2026

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: 1319808, 1319807.