Fire near Unité (SS)

8.58°N, 30.11°E · first detected on 18 October at 15:29

What the satellites measured

This fire was tracked from 18 October at 15:29 to 22 October at 14:17, that is 4 days, through 297 satellite detections. The detected extent reaches 3,842 ha.

Detected extent: 3,842 ha
Cumulative power: 3,278 MW
Peak power, one pixel: 73 MW
VIIRS and MODIS detections: 297
Estimated emissions: 1.4 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 18 October 2026 to 21 October 2026. An order-of-magnitude estimate from GFAS (ECMWF, Copernicus CAMS): it also counts neighbouring fires in the same cell. Contains modified Copernicus Atmosphere Monitoring Service information (2026). Published data stop on 21 October 2026.

These four figures cover the polar orbits alone, the ones that measure an area. The pass table below also counts geostationary detections, more frequent but too coarse for geometry, and its power column sums a whole pass where the peak above is that of a single pixel.

“Detected extent” is not “burned area”: it is the union of the ground footprints of the satellite pixels, and a pixel counts in full (375 m for VIIRS, 1 km for MODIS) even when only a forest edge is burning. Compared with press figures it is in practice one and a half to three times the area reported. Detections taken at the edge of the scan swath, too coarse to measure anything at all, are excluded. These figures come from thermal detection and are not an official assessment: only the emergency services and the competent authorities are authoritative.

Replay how the fire spread

The map is framed on this fire's footprint and loads only its detections. The timeline below covers the period in which satellites saw it, from the first to the last detection, with twelve hours before and twenty-four after; the ticks on the bar mark the emergency services' announcements that fall within it. The cursor opens on the most powerful pass, and playback replays the whole fire in about thirty seconds. “1 h” shows what is burning within an hour of the chosen moment : the map then follows the power curve below and empties when it falls. “24 h” stacks twenty-four hours : a fire stays visible between two satellite passes, which come two to four times a day. Both are true, but they say different things.

How the radiative power evolved

One point per satellite pass: the sum of the fire radiative power measured over the fire. This is the curve that says whether the fire eased off or picked up again, which no cumulative figure shows. The window covers 6 days; beyond that, clustering would merge two successive fires in the same place.

Fire dynamics

Loading history…

Satellite passes in detail

Pass	Power summed over the pass	Detections	Sensor
22 October at 17:55	12 MW	1	Met12
22 October at 17:45	28 MW	2	Met12
22 October at 17:38	127 MW	4	Met9
22 October at 17:35	43 MW	3	Met12
22 October at 17:25	105 MW	4	Met12
22 October at 17:23	243 MW	4	Met9
22 October at 17:22	30 MW	1	Met10
22 October at 17:22	59 MW	2	Met9
22 October at 17:15	177 MW	5	Met12
22 October at 17:07	460 MW	6	Met9
22 October at 17:05	194 MW	6	Met12
22 October at 16:55	91 MW	3	Met12
22 October at 16:52	369 MW	7	Met9
22 October at 16:45	72 MW	3	Met12
22 October at 16:37	436 MW	9	Met9
22 October at 16:35	66 MW	3	Met12
22 October at 16:25	91 MW	3	Met12
22 October at 16:22	593 MW	11	Met9
22 October at 16:15	86 MW	3	Met12
22 October at 16:07	342 MW	7	Met9
22 October at 16:05	25 MW	1	Met12
22 October at 15:55	60 MW	3	Met12
22 October at 15:52	511 MW	9	Met9
22 October at 15:45	63 MW	2	Met12
22 October at 15:37	339 MW	6	Met9
22 October at 15:35	43 MW	2	Met12
22 October at 15:25	58 MW	3	Met12
22 October at 15:22	191 MW	3	Met9
22 October at 15:15	126 MW	3	Met12
22 October at 15:07	47 MW	1	Met9
22 October at 14:55	35 MW	1	Met12
22 October at 14:45	45 MW	2	Met12
22 October at 14:35	34 MW	1	Met12
22 October at 14:25	147 MW	5	Met12
22 October at 14:17	274 MW	34	N20
22 October at 14:15	236 MW	6	Met12
22 October at 14:05	386 MW	7	Met12
22 October at 13:55	1,056 MW	84	N
22 October at 13:55	446 MW	8	Met12
22 October at 13:45	333 MW	6	Met12
22 October at 13:35	87 MW	2	Met12
22 October at 13:25	414 MW	7	Met12
22 October at 13:19	895 MW	72	N21
22 October at 13:15	221 MW	5	Met12
22 October at 13:05	205 MW	6	Met12
22 October at 12:55	90 MW	3	Met12
22 October at 12:45	86 MW	2	Met12
22 October at 12:36	170 MW	18	N20
22 October at 12:35	164 MW	5	Met12
22 October at 12:25	109 MW	3	Met12
22 October at 12:22	101 MW	1	Met9
22 October at 12:07	119 MW	1	Met9
22 October at 10:25	19 MW	1	Met12
21 October at 17:45	12 MW	1	Met12
21 October at 17:25	10 MW	1	Met12
21 October at 16:55	13 MW	1	Met12
21 October at 16:52	29 MW	1	Met9
21 October at 16:45	11 MW	1	Met12
21 October at 16:37	78 MW	2	Met9
21 October at 16:35	29 MW	2	Met12
21 October at 16:25	20 MW	1	Met12
21 October at 16:15	14 MW	1	Met12
21 October at 15:44	6 MW	1	Aqua
21 October at 14:25	23 MW	1	Met12
21 October at 14:22	135 MW	2	Met9
21 October at 14:17	87 MW	14	N
21 October at 14:15	23 MW	1	Met12
21 October at 14:05	38 MW	1	Met12
21 October at 13:55	28 MW	1	Met12
21 October at 13:45	24 MW	1	Met12
21 October at 13:38	240 MW	32	N21
21 October at 13:35	120 MW	3	Met12
21 October at 13:25	151 MW	4	Met12
21 October at 13:15	114 MW	4	Met12
21 October at 13:05	24 MW	1	Met12
21 October at 12:55	138 MW	3	Met12
21 October at 12:53	2 MW	1	N20
21 October at 12:35	67 MW	2	Met12
21 October at 12:15	40 MW	1	Met12
20 October at 16:55	13 MW	1	Met12
20 October at 16:45	12 MW	1	Met12
20 October at 16:35	11 MW	1	Met12
20 October at 16:07	31 MW	1	Met9
20 October at 15:52	37 MW	1	Met9
20 October at 15:22	44 MW	1	Met9
20 October at 15:07	55 MW	1	Met9
20 October at 15:06	44 MW	1	Aqua
20 October at 13:57	7 MW	1	N21
20 October at 13:15	72 MW	2	Met12
20 October at 13:15	335 MW	15	N20
20 October at 12:53	83 MW	10	N
20 October at 10:22	94 MW	1	Met9
20 October at 10:07	154 MW	2	Met9
20 October at 09:52	80 MW	1	Met9
20 October at 09:37	74 MW	1	Met9
20 October at 09:22	61 MW	1	Met9
20 October at 09:07	110 MW	2	Met9
20 October at 08:52	46 MW	1	Met9
19 October at 13:32	5 MW	1	N20
19 October at 13:10	13 MW	3	N
19 October at 12:36	20 MW	3	N21
18 October at 15:29	13 MW	1	Aqua

8 other fires near Unité (SS)

Separate fires, apart in time or in space, not pieces of this one. A single municipality can have several over one summer, and a forest massif often covers more than a hundred square kilometres.

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