Wind convergence from a southeasterly breeze by a high pressure system centered to the south of American Samoa converged with northerly winds to the north of the territory. 5 inches brought flash flooding to the region along with numerous thunderstorms.
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.
Wind convergence from a southeasterly breeze by a high pressure system centered to the south of American Samoa converged with northerly winds to the north of the territory. The instability from the wind convergence along with precipitable water above 2.5 inches brought flash flooding to the region along with numerous thunderstorms.
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
At least 6 inches of water covered the Fagaima Road between the TMO Hardware region and the Georgina Building. Water was seen flowing onto properties and flooding areas along the roadway.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in American Samoa in 2024Every state in 2024This day in weather historyWarnings in American Samoa, November 2024
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: 1216890.