Heavy Rain & Landslides

Typhoons aren't the only source of heavy rain in Okinawa. How to check whether your home is in a landslide warning zone, and how to read Japan's heavy-rain information (Danger Alerts and Kikikuru) after its 2026 revision — so you can judge for yourself without waiting for an evacuation order.

• Is Your Home in a Landslide Warning Area? — How to Check, and the Warning Signs

  Landslides happen in Okinawa too. You can check whether your home or workplace is in a landslide warning area using the prefecture's online map system. This article covers how to check, and the warning signs Okinawa Prefecture lists before a slope gives way.

• Heavy Rain Information Changed in FY2026 — Urgent Warnings and Kikikuru

  The Japan Meteorological Agency added a new "Urgent Warning" to its heavy rain information, and information names now carry an Alert Level number. This article covers how Kikikuru colors map to Alert Levels, and JMA's own guidance that you don't need to wait for an evacuation instruction to act.