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Satellite detected water extent and evolution over Southern Region in Malawi & Tete and Zambezia Provinces in Mozambique between 14 and 17 March 2023

Humanitarian Data Exchange · 2023 Full Details

Full Details

Title
Satellite detected water extent and evolution over Southern Region in Malawi & Tete and Zambezia Provinces in Mozambique between 14 and 17 March 2023
Description
**UNOSAT code TC20230314MWI, GDACS Id: 1000961** This map illustrates satellite-detected surface waters in Southern Region, Malawi & Tete and Zambezia Provinces, Mozambique as observed from a Sentinel-1 image acquired on 17 Mar. 2023 at 05:09 local time. Within the analyzed area in Malawi of about 5,000 km2, about 320 km2 of land appear to be flooded. Water extent appears to have increased of about 60km² since the 14 Mar. 2023. Within the analyzed area in Mozambique of about 20,500 km2, about 1,000 km2 of land appear to be flooded. Water extent appears to have increased of about 150km² since the 14 Mar. 2023. Based on Worldpop population data and the detected surface waters in the analyzed area in Malawi and Mozambique, respectively ~47,000 people and ~75,000 people are potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to United Nations Satellite Centre (UNOSAT). Important note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to the backscattering properties of the radar signal.
Creator
UN Operational Satellite Applications Programme (UNOSAT)
Publisher
Humanitarian Data Exchange
Temporal Coverage
2023-03-17
Date Issued
2023-03-18
License
http://www.opendefinition.org/licenses/cc-by-sa
Access Rights
Public
Date Added
August 23, 2025
Provenance Statement
The metadata for this resource was last retrieved from Humanitarian Data Exchange on 2026-01-15.

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Cite and Reference

  • Citation
    UN Operational Satellite Applications Programme (UNOSAT) (2023). Satellite detected water extent and evolution over Southern Region in Malawi & Tete and Zambezia Provinces in Mozambique between 14 and 17 March 2023. Humanitarian Data Exchange. https://data.humdata.org/dataset/0fc6e8d1-3172-47b7-9475-3f6f2539d6d3 (dataset)
  • BTAA Geoportal Link

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