Fire near Séno (BF)

13.78°N, 0.16°E · first detected on 22 October at 11:06

What the satellites measured

This fire was tracked from 22 October at 11:06 to 22 October at 22:40, through 147 satellite detections. The detected extent reaches 3,058 ha.

Detected extent: 3,058 ha
Cumulative power: 2,411 MW
Peak power, one pixel: 196 MW
VIIRS and MODIS detections: 147

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 3 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
23 October at 03:38	21 MW	1	Met10
23 October at 03:23	40 MW	2	Met10
23 October at 03:08	36 MW	2	Met10
23 October at 02:38	20 MW	1	Met10
23 October at 02:23	19 MW	1	Met10
23 October at 02:08	76 MW	3	Met10
23 October at 02:06	12 MW	1	Met12
23 October at 01:46	65 MW	3	Met12
23 October at 01:38	97 MW	2	Met10
23 October at 01:36	50 MW	2	Met12
23 October at 01:26	25 MW	2	Met12
23 October at 01:23	138 MW	5	Met10
23 October at 01:22	59 MW	1	Met9
23 October at 01:16	12 MW	1	Met12
23 October at 01:08	79 MW	3	Met10
23 October at 01:06	11 MW	1	Met12
23 October at 00:53	83 MW	3	Met10
23 October at 00:38	58 MW	2	Met10
23 October at 00:26	11 MW	1	Met12
23 October at 00:23	87 MW	3	Met10
23 October at 00:16	13 MW	1	Met12
23 October at 00:08	88 MW	3	Met10
22 October at 23:56	12 MW	1	Met12
22 October at 23:53	59 MW	2	Met10
22 October at 23:38	56 MW	2	Met10
22 October at 23:23	56 MW	2	Met10
22 October at 23:08	43 MW	2	Met10
22 October at 22:53	96 MW	4	Met10
22 October at 22:40	150 MW	12	Terra
22 October at 22:38	83 MW	3	Met10
22 October at 22:36	13 MW	1	Met12
22 October at 22:23	39 MW	1	Met9
22 October at 22:23	103 MW	4	Met10
22 October at 22:16	24 MW	2	Met12
22 October at 22:08	46 MW	1	Met9
22 October at 22:08	102 MW	4	Met10
22 October at 21:53	29 MW	1	Met9
22 October at 21:53	78 MW	3	Met10
22 October at 21:38	174 MW	6	Met10
22 October at 21:38	29 MW	1	Met9
22 October at 21:26	15 MW	1	Met12
22 October at 21:23	228 MW	3	Met9
22 October at 21:23	311 MW	10	Met10
22 October at 21:16	33 MW	2	Met12
22 October at 21:08	141 MW	2	Met9
22 October at 21:08	224 MW	6	Met10
22 October at 21:06	27 MW	2	Met12
22 October at 20:56	55 MW	2	Met12
22 October at 20:53	388 MW	9	Met10
22 October at 20:53	421 MW	4	Met9
22 October at 20:46	14 MW	1	Met12
22 October at 20:38	219 MW	7	Met10
22 October at 20:38	206 MW	3	Met9
22 October at 20:36	11 MW	1	Met12
22 October at 20:23	149 MW	2	Met9
22 October at 20:23	190 MW	6	Met10
22 October at 20:16	11 MW	1	Met12
22 October at 20:08	220 MW	7	Met10
22 October at 20:08	148 MW	2	Met9
22 October at 20:06	11 MW	1	Met12
22 October at 19:53	217 MW	6	Met10
22 October at 19:53	92 MW	1	Met9
22 October at 19:46	14 MW	1	Met12
22 October at 19:38	289 MW	7	Met10
22 October at 19:38	311 MW	4	Met9
22 October at 19:36	13 MW	1	Met12
22 October at 19:26	107 MW	6	Met12
22 October at 19:23	276 MW	7	Met10
22 October at 19:23	284 MW	4	Met9
22 October at 19:16	31 MW	2	Met12
22 October at 19:08	344 MW	5	Met9
22 October at 19:08	290 MW	7	Met10
22 October at 19:06	17 MW	1	Met12
22 October at 18:53	252 MW	3	Met9
22 October at 18:53	287 MW	7	Met10
22 October at 18:46	35 MW	2	Met12
22 October at 18:38	350 MW	8	Met10
22 October at 18:36	18 MW	1	Met12
22 October at 18:26	57 MW	3	Met12
22 October at 18:23	370 MW	9	Met10
22 October at 18:16	89 MW	3	Met12
22 October at 18:08	519 MW	12	Met10
22 October at 18:06	23 MW	1	Met12
22 October at 18:03	81 MW	1	Aqua
22 October at 17:56	52 MW	2	Met12
22 October at 17:53	505 MW	9	Met10
22 October at 17:46	63 MW	2	Met12
22 October at 17:38	680 MW	11	Met10
22 October at 17:36	124 MW	4	Met12
22 October at 17:26	141 MW	5	Met12
22 October at 17:23	570 MW	8	Met10
22 October at 17:16	142 MW	5	Met12
22 October at 17:08	608 MW	8	Met10
22 October at 17:06	167 MW	5	Met12
22 October at 16:56	39 MW	2	Met12
22 October at 16:53	419 MW	6	Met10
22 October at 16:46	137 MW	6	Met12
22 October at 16:38	676 MW	8	Met10
22 October at 16:36	347 MW	13	Met12
22 October at 16:26	479 MW	13	Met12
22 October at 16:23	558 MW	8	Met10
22 October at 16:16	252 MW	11	Met12
22 October at 16:08	623 MW	8	Met10
22 October at 16:06	198 MW	9	Met12
22 October at 15:59	530 MW	51	N20
22 October at 15:56	689 MW	21	Met12
22 October at 15:53	361 MW	1	Met9
22 October at 15:53	795 MW	5	Met10
22 October at 15:46	693 MW	21	Met12
22 October at 15:40	558 MW	50	N
22 October at 15:38	659 MW	6	Met10
22 October at 15:36	600 MW	22	Met12
22 October at 15:26	877 MW	23	Met12
22 October at 15:23	710 MW	5	Met10
22 October at 15:23	392 MW	1	Met9
22 October at 15:16	933 MW	22	Met12
22 October at 15:08	446 MW	1	Met9
22 October at 15:08	890 MW	6	Met10
22 October at 15:06	904 MW	24	Met12
22 October at 15:01	1,093 MW	33	N21
22 October at 14:56	863 MW	21	Met12
22 October at 14:53	422 MW	3	Met10
22 October at 14:46	459 MW	15	Met12
22 October at 14:38	496 MW	4	Met10
22 October at 14:36	458 MW	16	Met12
22 October at 14:26	267 MW	13	Met12
22 October at 14:23	203 MW	2	Met10
22 October at 14:16	249 MW	13	Met12
22 October at 14:08	227 MW	2	Met10
22 October at 14:06	233 MW	12	Met12
22 October at 13:56	229 MW	10	Met12
22 October at 13:53	323 MW	3	Met10
22 October at 13:46	306 MW	13	Met12
22 October at 13:38	158 MW	1	Met10
22 October at 13:36	285 MW	12	Met12
22 October at 13:26	273 MW	13	Met12
22 October at 13:23	149 MW	1	Met10
22 October at 13:16	327 MW	14	Met12
22 October at 13:07	165 MW	1	Met10
22 October at 13:06	375 MW	18	Met12
22 October at 12:56	374 MW	12	Met12
22 October at 12:52	151 MW	1	Met10
22 October at 12:46	247 MW	12	Met12
22 October at 12:37	245 MW	2	Met10
22 October at 12:36	287 MW	12	Met12
22 October at 12:26	333 MW	13	Met12
22 October at 12:22	617 MW	4	Met10
22 October at 12:16	361 MW	14	Met12
22 October at 12:07	381 MW	1	Met9
22 October at 12:07	792 MW	5	Met10
22 October at 12:06	652 MW	15	Met12
22 October at 11:56	589 MW	15	Met12
22 October at 11:52	388 MW	1	Met9
22 October at 11:52	661 MW	4	Met10
22 October at 11:46	1,021 MW	16	Met12
22 October at 11:37	926 MW	2	Met9
22 October at 11:37	1,121 MW	7	Met10
22 October at 11:36	765 MW	8	Met12
22 October at 11:26	159 MW	5	Met12
22 October at 11:22	259 MW	4	Met10
22 October at 11:16	75 MW	4	Met12
22 October at 11:07	73 MW	2	Met10
22 October at 11:06	41 MW	3	Met12

One other fire near Séno (BF)

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.

20 to 21 October1,056 ha

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