Guinea-Bissau Flood Impact Assessment for September 2025

WFP’s Automated Disaster Analysis and Mapping (ADAM) system provides geospatial data on a flood that occurred on September 18, 2025, in Guinea-Bissau. The event affected an estimated 26,367 people and 3,032 hectares of cropland. The dataset was last updated on May 21, 2026.

Use Cases

• Estimate population displacement based on the reported count of 26,367 affected people.
• Assess agricultural damage and food security implications based on the 3,032 hectares of affected cropland.
• Map flood extent and severity using the provided GEOTIFF raster data.
• Model socio-economic vulnerability by integrating this event data with other geospatial layers.

Strengths

• Provides specific impact figures: 26,367 people and 3,032 hectares of cropland affected.
• Data originates from WFP's operational ADAM system for humanitarian emergencies.
• Dataset has a clear temporal reference to a specific event on September 18, 2025.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect geographic and temporal bias inherent to the single reported event.

Provenance

Source

WFP Automated Disaster Analysis & Mapping

Collection Method

Collected, analysed and mapped by WFP's Automated Disaster Analysis and Mapping (ADAM) system following a sudden onset humanitarian emergency.

Time Range

Event date: September 18, 2025. Data updated: May 21, 2026.

Freshness

Last updated 2026-05-21 22:10:46.201545; freshness should be verified.

Geography

Guinea-Bissau