data api · Global

JRC GloFAS Global Flood Hazard Maps

Global riverine flood hazard maps from the Joint Research Centre CEMS-GLOFAS v2.1.2. Includes flood depth and hazard classification rasters for return periods 10, 20, 50, 75, 100, 200, and 500 years, plus permanent water body and spurious depth auxiliary layers.

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What's in it

Data offered docs-verified: flood depth rasters (m), return periods 10, 20, 50, 75, 100, 200, 500 yr · flood hazard class rasters (0-4), return periods 10, 20, 50, 75, 100, 200, 500 yr · permanent water body mask · spurious depths QC layer
Coverage docs-verified: Global (-170.00, -59.99, 179.97, 80.00)
Resolution docs-verified: 90 m (3 arc-second)
Formats docs-verified: Cloud Optimized GeoTIFF
Access docs-verified: Public; free download under CC-BY-4.0 licence

Useful for

Use cases llm-inferred: Site-scale fluvial flood depth and hazard baseline for an FRA, sampling depth-rp100 and hazard-rp100 over the site boundary · Multi-return-period (10-500 yr) flood hazard context for early-stage site options appraisal or climate-resilience screening · Cleaning flood depth outputs with the permanent water mask and spurious depths QC layer before reporting
Audience llm-inferred: flood consultants · hydrologists · GIS analysts · planners

Limitations

Constraints llm-inferred: 90 m resolution is coarse for detailed site-scale FRA without local modelling · Described as riverine flood maps only; no coastal or surface-water layers are listed · No time span or update frequency stated · UK-specific validation is not stated; cross-check against national flood maps for UK sites · Spurious-depths layer flags uncertain estimates and needs QC

Licence: see product README
Authentication: Public; anonymous HTTPS/S3 access via data.source.coop
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 14/10/2026
Page health: page reachable
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Verified via Source Cooperative API /api/v1/products/nlebovits (public product, updated 2026-06-17).

Metadata observed 14/10/2026 · research sweep: manual-2026-10-15 (source.coop)