Dujuan brings dangerous conditions to eastern Japan, with a highest-level landslide alert issued for Oshima.
Japan faced torrential rain and strong winds on Monday as Dujuan approached its Pacific coast. Oshima in the Izu Islands received the highest-level landslide emergency warning after rainfall exceeding 300 millimetres since Saturday.
Authorities warned that concentrated bands of rain could worsen flooding. The disruption also reached the Asian Games, where an equestrian competition was postponed, while the Prime Minister delayed her departure for New York.
For readers following the storm from overseas, its name and projected track tell only part of the story. The immediate questions concern which communities face danger, whether transport is operating and what local authorities are instructing residents to do.
There is a relevant lesson for rain-battered Sri Lanka: warnings must lead to practical assistance. Evacuation plans need to account for people who cannot travel independently, while shelters must be accessible and ready. Forecasting danger is essential, but the quality of the response is measured by how effectively people are helped before conditions deteriorate.


