Area with valid model inputs
GHANA / LOWER VOLTA REGION
The October 2023 Lower Volta flood
See where the model mapped flooding and how choosing different earlier radar images changed the result.
EVENT OBSERVATION23 October 2023Sentinel-1 radar · Lower Volta study area
● Historical studyLocal accuracy has yet to be independently verified.
PRIMARY MODEL · FULL STUDY AREA Totals stay fixed when you pan, zoom or change layers.
5.31% of the valid study area
Model category · not verified locally
Low reference support · not dry land
MODEL PREDICTION
23 OCT 2023Predicted flooding
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Exaggerated terrain height, not flood depth. Flood overlay: pink = predicted flood; blue = permanent water; purple = withheld. Drag to rotate; scroll to zoom.
PREDICTED CLASSES
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Basemap: Esri, HERE, Garmin, © OpenStreetMap contributors and GIS User Community · Full credits · Contemporary context, not 2023 evidence
VOLTA OBSERVATORY
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