River Flood Risk for Japan
This tileset reference document includes information to help you use the data in the River Flood Risk for Japan tileset.
This tileset is part of the Mapbox Japan Weather Layers. These tilesets provide weather and environmental data for Japan and have separate pricing from other Mapbox tilesets.
See the Japan Weather Layers guide for more details.
Overview
River Flood Risk for Japan is a Mapbox-provided vector tileset that includes river flood risk data for Japan..
Access this Tileset
Use this Tileset URL to add this tileset to your map style as a vector source:
mapbox://mapbox.weather-jp-river-flood
Access this tileset's TileJSON:
https://api.mapbox.com/v4/mapbox.weather-jp-river-flood.json?access_token=YOUR_MAPBOX_ACCESS_TOKEN
Access tiles from this tileset via the Vector Tiles API using the following template:
https://api.mapbox.com/v4/mapbox.weather-jp-river-flood/{z}/{x}/{y}.{format}?access_token=YOUR_MAPBOX_ACCESS_TOKEN
Query this tileset at a specific location using the Tilequery API:
https://api.mapbox.com/v4/mapbox.weather-jp-river-flood/tilequery/{longitude},{latitude}.json?access_token=YOUR_MAPBOX_ACCESS_TOKEN
Data sources
The data supporting this tileset is sourced from the Japan Meteorological Agency (JMA). JMA Source Data.
Layer reference
The River Flood Risk for Japan vector tileset contains the following layers:
river_flood
This layer shows rivers with flood risk in Japan.
TYPE integer
The river type, either 1 or 2.
FLOODRISK integer
The flood risk hazard level
| Value | Description |
|---|---|
| 0 | No Risk |
| 1 | Caution |
| 2 | Warning |
| 3 | Danger |
| 4 | Disaster Imminent |
FLOODFCST integer
The flood risk hazard level forecast
| Value | Description |
|---|---|
| 2 | Caution |
| 3 | Warning |
| 4 | Danger |
| 5 | Disaster Imminent |