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FreeGovernmentJapan, Asia

Japan Meteorological Agency Flood Warnings

Real-time risk map and river flood forecasting system with 5-level warning scale

jma.go.jp

At a glance

Region
Japan (Asia)
Coverage
National river systems and urban areas
Access
Free
Category
Government
Last updated
Real-time

What's inside

  • Flood Data
  • Flood Warnings
  • Real-time Data
  • Risk Assessment
  • River Levels
  • Early Warning

What you can do with it

Typical work that data of this type supports.

  1. 01

    Hazard maps

    Map flood-prone areas and who and what is exposed.

    Because it has: Flood Data

  2. 02

    Model validation

    Check flood models against observed events.

  3. 03

    Response planning

    Support evacuation, relief and insurance decisions.

Where AI adds value

Ideas for machine learning and AI agents built on this kind of data.

  1. 01

    Flood extent from SAR

    Segment flooded areas in radar imagery, even through cloud.

  2. 02

    Depth estimates

    Learn flood depth from terrain, rainfall and past events.

  3. 03

    Early warning

    Turn forecast ensembles into simple, local alerts.

All water data sources in Japan

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