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Wildfire near Sobreira (PT) · 1,944 ha - August 21, 2026

Heat zone1,944 ha

Detections14

Max. radiative power176.0 MW

Duration1 hours

Satellites recorded a wildfire near Sobreira (PT) from 21-08-2026 21:00 to 21-08-2026 22:40 (UTC). The measured heat zone covered roughly 1,944 ha (an upper bound based on pixel size, not an official fire perimeter). The event counted 14 satellite detections (S3B, S3A, MTG, MSG, MODIS).

Wildfire near Sobreira (PT) · 1,944 ha - August 21, 2026 — (c) OpenStreetMap (c) CARTO

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Key figures

First detection	21-08-2026 21:00 UTC
Last detection	21-08-2026 22:40 UTC
Coordinates	`41.6533, -7.8061`

Surroundings

Nearest town: Sobreira (PT), about 14 km. Larger town nearby: Braga, about 53 km.

Observed by

This fire was seen by 5 satellite source(s): S3B, S3A, MTG, MSG, MODIS. Polar satellites deliver sharp measurements but pass over a few times a day; geostationary satellites watch continuously with a coarser pixel.

How these figures are produced

FireSignal groups individual satellite detections into a single fire event. The heat zone is the sum of the measured pixels and is therefore an upper bound: it says where heat was observed, not how many hectares actually burned. Official figures from fire services or authorities are usually lower. Cloud and thick smoke block the view, so there is always a gap between two observations.