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Satellite detected water extent Koshi and Madhesh Provinces, Nepal as of 27 September 2024
This map illustrates the floods using Sentinel-1 images acquired on 27 September 2024 at 05:56 local time (00:11 UTC). Within the analysed area of about 7,000 km², a total of about 50 km² of land appears to be affected by flood waters. Based on Worldpop spatial demographic data, about 19,000 people are 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 the United Nations Satellite Centre (UNOSAT).
Important note: Flood analysis from radar images may underestimate the presence of standing waters in builtup areas and densely vegetated areas due to the backscattering properties of the radar signal.