Weather Warnings for American Samoa

Issued by the National Weather Service

Current Watches, Warnings and Advisories for American Samoa Issued by the National Weather Service
Alerts Updated: January 20, 2020, 6:22 pm  UTC


Wind Advisory issued January 20 at 6:22PM SST by NWS

Summary: ...A Wind Advisory remains in effect for American Samoa... * An active monsoon trough drifting north will generate sustained northerly winds 25 to 35 mph across the islands. * TIMING...through Tuesday. * IMPACTS...High winds could blow down large trees, damage roofs, small out-buildings, outdoor kitchen, downed power lines, loose
Severity:  Minor    Effective:  January 20, 2020, 2:54 pm      Expires:  January 21, 2020, 6:30 am
Area:  Manua; Swains Island; Tutuila and Aunuu


Flash Flood Statement issued January 20 at 6:05PM SST by NWS

Summary: ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED... FLASH FLOOD WARNING CANCELLED FOR TUTUILA AUNUU MANUA . Latest satellite imagery show a decreasing trend in showers in the past hour. Current surface observations show showers have diminished as well. Latest model data also depicts a decreasing trend in showers in the next few hours.
Severity:  Severe    Effective:  January 20, 2020, 2:54 pm      Expires:  January 20, 2020, 8:15 pm
Area:  Manua; Tutuila and Aunuu


High Surf Advisory issued January 20 at 2:54PM SST by NWS

Summary: ...A High Surf Advisory remains in effect... * SURF...Surfs of 10 to 13 feet will continue to impact north facing shores due to large northerly swells. * TIMING...through Wednesday * IMPACTS...large surfs and strong rip currents Fautuaga mo galu maualuluga
Severity:  Minor    Effective:  January 20, 2020, 2:54 pm      Expires:  January 21, 2020, 3:00 am
Area:  Manua; Swains Island; Tutuila and Aunuu


Special Weather Statement issued January 20 at 2:03PM SST by NWS

Summary: ...A Gale Warning is in effect for American Samoa coastal waters... Gale force winds continue to impact the coastal waters of American Samoa due to an active monsoon trough across the area. Sustained winds 30 to 35 knots, with higher gusts, can be expected through Tuesday morning.
Severity:  Minor    Effective:  January 20, 2020, 2:54 pm      Expires:  January 21, 2020, 8:15 am
Area:  Manua; Swains Island; Tutuila and Aunuu


Flash Flood Watch issued January 20 at 6:59AM SST by NWS

Summary: ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT... * Flash Flood Watch continues for all islands of American Samoa * Through tonight. * An active monsoonal trough will shift along the islands to continue bringing occasional showers with periods of heavy rain and embedded thunderstorms. As grounds are saturated from
Severity:  Severe    Effective:  January 20, 2020, 2:54 pm      Expires:  January 20, 2020, 7:00 pm
Area:  Manua; Swains Island; Tutuila and Aunuu