Flood maps of several regions in Southeast Asia in November 2025.

© TU Wien

Several storms and persistently heavy monsoon rains struck large parts of Southeast Asia toward the end of November 2025, triggering massive floods and landslides. The Global Flood Monitoring (GFM) flood maps illustrate the extensive scale of the affected areas.

Map of Thessaly, Greece, showing flooded areas in red from September 2023 (total 638 km², Data: GFM flood map).

© TU Wien

Satellite map of the Thessaly region in Greece. Flooded areas during the September 2023 flood are shown in red. The map is based on GFM flood map data and indicates a total flooded area of 638 square kilometers.

Relationship between Data record, Intermediate Data record and near-real time products.

© TU Wien

Relationship between Data record, Intermediate Data record and near-real time products.