Fire near Nayala (BF)

12.69°N, 3.22°W · first detected on 11 October at 15:46

What the satellites measured

This fire was tracked from 11 October at 15:46 to 22 October at 18:03, that is 11 days, through 189 satellite detections. The detected extent reaches 2,829 ha.

Detected extent: 2,829 ha
Cumulative power: 1,486 MW
Peak power, one pixel: 39 MW
VIIRS and MODIS detections: 189
Estimated emissions: 2.0 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 11 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 14 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 19:45	30 MW	2	Met12
22 October at 19:38	36 MW	1	Met10
22 October at 19:35	16 MW	1	Met12
22 October at 19:25	11 MW	1	Met12
22 October at 18:45	11 MW	1	Met12
22 October at 18:38	48 MW	2	Met10
22 October at 18:35	21 MW	2	Met12
22 October at 18:25	87 MW	5	Met12
22 October at 18:23	176 MW	4	Met10
22 October at 18:15	14 MW	1	Met12
22 October at 18:08	42 MW	1	Met10
22 October at 18:05	35 MW	2	Met12
22 October at 18:03	56 MW	3	Aqua
22 October at 17:55	22 MW	2	Met12
22 October at 17:53	146 MW	4	Met10
22 October at 17:45	71 MW	3	Met12
22 October at 17:38	289 MW	6	Met10
22 October at 17:35	85 MW	5	Met12
22 October at 17:25	60 MW	4	Met12
22 October at 17:23	325 MW	6	Met10
22 October at 17:15	152 MW	6	Met12
22 October at 17:08	251 MW	5	Met10
22 October at 17:05	119 MW	5	Met12
22 October at 16:55	84 MW	4	Met12
22 October at 16:53	150 MW	1	Met9
22 October at 16:53	271 MW	4	Met10
22 October at 16:45	302 MW	6	Met12
22 October at 16:38	215 MW	4	Met10
22 October at 16:35	113 MW	3	Met12
22 October at 16:25	83 MW	4	Met12
22 October at 16:23	159 MW	3	Met10
22 October at 16:16	14 MW	1	Met12
22 October at 16:15	99 MW	4	Met12
22 October at 16:07	73 MW	2	Met10
22 October at 16:06	25 MW	2	Met12
22 October at 16:05	47 MW	3	Met12
22 October at 15:59	210 MW	19	N20
22 October at 15:56	10 MW	1	Met12
22 October at 15:55	22 MW	1	Met12
22 October at 15:52	66 MW	1	Met10
22 October at 15:46	11 MW	1	Met12
22 October at 15:45	79 MW	4	Met12
22 October at 15:40	99 MW	18	N
22 October at 15:37	63 MW	1	Met10
22 October at 15:36	14 MW	1	Met12
22 October at 15:35	12 MW	1	Met12
22 October at 15:26	13 MW	1	Met12
22 October at 15:25	80 MW	4	Met12
22 October at 15:22	76 MW	1	Met10
22 October at 15:15	33 MW	2	Met12
22 October at 15:07	79 MW	1	Met10
22 October at 15:05	16 MW	1	Met12
22 October at 15:01	201 MW	17	N21
22 October at 14:55	100 MW	4	Met12
22 October at 14:52	187 MW	3	Met10
22 October at 14:45	58 MW	2	Met12
22 October at 14:37	79 MW	1	Met10
22 October at 14:22	74 MW	1	Met10
22 October at 13:06	12 MW	1	Met12
22 October at 12:46	12 MW	1	Met12
22 October at 12:36	14 MW	1	Met12
21 October at 17:06	14 MW	1	Met12
21 October at 17:05	14 MW	1	Met12
21 October at 16:56	73 MW	2	Met12
21 October at 16:55	13 MW	1	Met12
21 October at 16:23	32 MW	1	Met10
21 October at 16:18	82 MW	12	N20
21 October at 16:16	29 MW	2	Met12
21 October at 16:08	299 MW	4	Met10
21 October at 16:06	101 MW	4	Met12
21 October at 15:57	85 MW	11	N
21 October at 15:56	21 MW	1	Met12
21 October at 15:37	79 MW	2	Met10
21 October at 15:36	13 MW	1	Met12
21 October at 15:26	29 MW	1	Met12
21 October at 15:23	63 MW	10	N21
21 October at 15:07	41 MW	1	Met10
21 October at 15:06	40 MW	2	Met12
21 October at 15:05	12 MW	1	Met12
21 October at 14:56	27 MW	2	Met12
21 October at 14:55	26 MW	2	Met12
21 October at 14:52	114 MW	2	Met10
21 October at 14:46	11 MW	1	Met12
21 October at 14:37	52 MW	1	Met10
21 October at 14:35	13 MW	1	Met12
21 October at 14:25	32 MW	1	Met12
21 October at 14:22	49 MW	1	Met10
21 October at 14:16	86 MW	4	Met12
21 October at 14:07	132 MW	2	Met10
21 October at 14:05	26 MW	1	Met12
21 October at 13:55	21 MW	1	Met12
21 October at 13:45	24 MW	1	Met12
21 October at 04:13	2 MW	1	N21
21 October at 03:30	7 MW	3	N20
21 October at 03:09	2 MW	1	N
20 October at 19:06	34 MW	2	Met12
20 October at 18:56	25 MW	2	Met12
20 October at 18:46	26 MW	2	Met12
20 October at 18:36	35 MW	2	Met12
20 October at 17:56	17 MW	1	Met12
20 October at 17:46	41 MW	2	Met12
20 October at 17:26	18 MW	1	Met12
20 October at 17:16	49 MW	3	Met12
20 October at 17:06	99 MW	4	Met12
20 October at 16:56	115 MW	4	Met12
20 October at 16:46	39 MW	2	Met12
20 October at 16:36	38 MW	2	Met12
20 October at 16:26	43 MW	2	Met12
20 October at 16:18	93 MW	11	N
20 October at 16:16	59 MW	3	Met12
20 October at 16:06	50 MW	2	Met12
20 October at 15:56	135 MW	4	Met12
20 October at 15:52	48 MW	1	Met10
20 October at 15:46	80 MW	4	Met12
20 October at 15:40	80 MW	11	N21
20 October at 15:05	13 MW	1	Met12
20 October at 13:35	40 MW	2	Met12
20 October at 13:05	44 MW	2	Met12
20 October at 12:15	13 MW	1	Met12
19 October at 16:35	19 MW	2	N
19 October at 15:59	36 MW	3	N21
19 October at 15:16	17 MW	5	N20
18 October at 15:33	5 MW	2	N20
17 October at 15:53	172 MW	14	N20
17 October at 15:33	104 MW	13	N
17 October at 14:55	82 MW	17	N21
16 October at 16:12	5 MW	1	N20
16 October at 15:53	26 MW	6	N
15 October at 16:10	4 MW	1	N
15 October at 15:33	13 MW	2	N21
13 October at 16:12	5 MW	1	N21
13 October at 15:27	11 MW	2	N20
12 October at 15:27	5 MW	2	N
11 October at 15:46	2 MW	1	N

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