A surface trough associated with Tropical Cyclone Harold (that was located far south of American Samoa) produced numerous thunderstorms and locally heavy rainfall over the Samoa Island chain.
Every event with a place to put it. Tap one for its entry below.
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.
The episode as NWS ASO wrote it up.
A surface trough associated with Tropical Cyclone Harold (that was located far south of American Samoa) produced numerous thunderstorms and locally heavy rainfall over the Samoa Island chain.
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
Received a call from EOC Vanu at 1:00 AM reporting flooding in a low-lying area in the village of Amouli. This event caused flooding in a family home, which prompted the family to evacuate to higher ground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in American Samoa in 2020Every state in 2020This day in weather historyWarnings in American Samoa, April 2020
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: 875560.