Heavy rain in Yilan, local water outage in Maolin and Sandimen; four Lanyu flight segments cancelled

12:03 Indigenous-area disaster brief

Information time: October 3, 2026, 12:03.

Official sources: Central Weather Administration heavy-rain advisory, Public Warning Platform, Water Resources Agency combined warnings, Agency of Rural Development and Soil and Water Conservation slope-hazard alerts, Taitung Airport daily flights, and Directorate-General of Personnel Administration.

Affected Indigenous areas and levels:

• Datong and Nan'ao, Yilan: At 09:25 on October 3, the CWA issued a heavy-rain advisory for Yilan's lowlands and mountain areas. Both townships are `weather / watch / yellow`, not red. Under the northeast monsoon, mountain areas should watch for landslides and falling rocks, while low-lying areas should watch for ponding.
• Maolin, Kaohsiung, and Sandimen, Pingtung: The Public Warning Platform lists an outlet-meter replacement at Maolin Water Purification Plant affecting Maolin Village in Maolin District and Qingye Village in Sandimen Township through 17:00. This is `public-service / watch`; the official severity is “minor,” not red.
• Taitung–Lanyu air service: Taitung Airport's 12:03 board lists 16 flight segments: four completed, four cancelled, two delayed and six still shown as on time. This is `transport / watch`, not a route-wide suspension and not red.
• Water and slope conditions: The WRA reports no inundation, river-level or reservoir-release warning. Debris-flow and large-scale-landslide red and yellow alert counts are both zero.

Nationwide assessment:

• North: Wulai, Fuxing, Jianshi, Wufeng, Nanzhuang, Tai'an and lowland Indigenous areas remain under monitoring. No heavy-rain or severe-thunderstorm alert, level-one inundation warning, slope-alert escalation, road disruption, evacuation, shelter, work or class suspension, transport suspension or public-service interruption was found.
• Central: Heping, Ren'ai, Xinyi, Alishan and nearby areas remain under monitoring. No heavy-rain or severe-thunderstorm alert, level-one inundation warning, slope-alert escalation, road or bridge disruption, evacuation, shelter, work or class suspension or public-service interruption was found.
• South: Maolin Village and Qingye Village are under a local water-service watch. No level-one inundation warning, slope-alert escalation, official flash-rise warning, road disruption, evacuation, shelter, work or class suspension or major agricultural loss was found for other covered Indigenous areas in Tainan, Kaohsiung or Pingtung.
• East: Datong and Nan'ao are under a yellow rain watch, and Lanyu air service is under transport watch. No new road or bridge disruption, evacuation, shelter, school closure, power or water change, or major public-service interruption was found for other covered Indigenous areas in Yilan, Hualien or Taitung.

No severe-thunderstorm alert, level-one inundation warning, debris-flow or large-scale-landslide red/yellow alert, resident evacuation, shelter opening, school-level closure or major agricultural loss was found. At 11:34 on October 3, the DGPA reported no work or class suspensions.

Recommended action: In Datong and Nan'ao, stay away from streams, riverbeds and unstable slopes. Affected households in Maolin Village and Qingye Village should store water and watch for restoration notices. Lanyu passengers should confirm flight status with the airline before departure. Official real-time notices govern.