Heavy Rainfall Forecasted for Apia, WS
An automatic weather alert has been triggered for Apia, WS, as forecast models indicate heavy rainfall expected on September 18, 2026.
According to automated forecast data from wweather1.com, the city of Apia, WS, is projected to receive 83.5 mm of precipitation on September 18, 2026. The high-severity alert was automatically generated when the forecasted rainfall value exceeded the system's standard threshold.
The established threshold for triggering this alert is 30 mm of precipitation. Because the forecasted value of 83.5 mm is significantly higher than this limit, the event has been flagged with a high severity level.
This notification is based on automatic forecast data from wweather1.com, with the tracking period starting on September 18, 2026, at 00:00:00 UTC. No manual intervention was involved in generating this threshold-crossing alert.