Heavy Rain, Tutuila
- When
- March 31, 12:20 AM SST to 11:58 PM SST
- Where
- Tutuila County, 10.26 mi WNW of Vaitogi to 4.22 mi NNE of Pago Pago
- Reported by
- NWS Employee
- Coordinates
- -14.324, -170.832
Heavy Rain in American Samoa, March 31, 2009
An active monsoonal trough of low pressure had slowly moved over the islands from the west. The trough produced heavy rainshowers in which had inundated low lying areas of the territory and thunderstorms on the 31st of March.
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
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 ASO wrote it up.
An active monsoonal trough of low pressure had slowly moved over the islands from the west. The trough produced heavy rainshowers in which had inundated low lying areas of the territory and thunderstorms on the 31st of March. The WSO Pago Pago recorded a precipitation daily high for the month of 3.09 inches. The Department of Public Safety reported inundations of low lying areas and severe runoffs of various streams from different areas around the islands. In addition, pot-holes and debris from overflow streams on roads were also reported. No other damages were reported.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 heavy rain. Local standard time, as filed.
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
- Tornadoes and Hail in Louisiana, March 31, 2009
- Tornadoes and Flash Flood in Florida, March 31, 2009
- Dust Storm and High Wind in Oregon, March 31, 2009
- Hail in Mississippi, March 31, 2009
- Tornado and Flood in Florida, March 31, 2009
- Damaging Wind in Florida, March 31, 2009
- Winter Storm in Minnesota, March 31, 2009
- High Surf in Hawaii, March 31, 2009
- Winter Storm and Winter Weather in Colorado, March 31, 2009
- Drought in Texas, March 31, 2009
- Winter Storm in Minnesota, March 31, 2009
- Hail and Damaging Wind in Texas, March 31, 2009
More
Every storm in American Samoa in 2009Every state in 2009This day in weather historyWarnings in American Samoa, March 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 2026-09-24. Each event’s entry at NCEI: 162130.