Fire near Séno (BF)

13.88°N, 0.23°E · first detected on 22 October at 12:06

What the satellites measured

This fire was tracked from 22 October at 12:06 to 22 October at 18:03, through 90 satellite detections. The detected extent reaches 1,349 ha.

Detected extent: 1,349 ha
Cumulative power: 1,301 MW
Peak power, one pixel: 72 MW
VIIRS and MODIS detections: 90

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 05:06	10 MW	1	Met12
23 October at 03:34	89 MW	36	N21
23 October at 03:08	54 MW	2	Met10
23 October at 03:06	21 MW	1	Met12
23 October at 02:56	12 MW	1	Met12
23 October at 02:53	26 MW	1	Met10
23 October at 02:52	73 MW	23	N20
23 October at 01:46	10 MW	1	Met12
23 October at 01:38	22 MW	1	Met10
23 October at 01:26	11 MW	1	Met12
23 October at 01:23	53 MW	2	Met10
23 October at 01:08	152 MW	4	Met10
23 October at 01:07	94 MW	1	Met9
23 October at 00:56	11 MW	1	Met12
23 October at 00:53	196 MW	4	Met10
23 October at 00:52	166 MW	2	Met9
23 October at 00:46	13 MW	1	Met12
23 October at 00:38	217 MW	4	Met10
23 October at 00:37	266 MW	3	Met9
23 October at 00:26	14 MW	1	Met12
23 October at 00:23	148 MW	5	Met10
23 October at 00:22	73 MW	1	Met9
23 October at 00:16	19 MW	1	Met12
23 October at 00:08	125 MW	4	Met10
23 October at 00:06	34 MW	2	Met12
22 October at 23:56	20 MW	1	Met12
22 October at 23:53	189 MW	6	Met10
22 October at 23:52	82 MW	1	Met9
22 October at 23:46	35 MW	2	Met12
22 October at 23:38	217 MW	5	Met10
22 October at 23:37	230 MW	3	Met9
22 October at 23:36	50 MW	3	Met12
22 October at 23:26	40 MW	2	Met12
22 October at 23:23	262 MW	7	Met10
22 October at 23:22	229 MW	3	Met9
22 October at 23:16	156 MW	7	Met12
22 October at 23:08	261 MW	3	Met9
22 October at 23:08	292 MW	7	Met10
22 October at 23:06	139 MW	5	Met12
22 October at 22:56	103 MW	4	Met12
22 October at 22:53	273 MW	6	Met10
22 October at 22:53	344 MW	4	Met9
22 October at 22:46	47 MW	2	Met12
22 October at 22:40	240 MW	6	Terra
22 October at 22:38	341 MW	4	Met9
22 October at 22:38	326 MW	8	Met10
22 October at 22:26	55 MW	2	Met12
22 October at 22:23	384 MW	4	Met9
22 October at 22:23	283 MW	7	Met10
22 October at 22:08	107 MW	3	Met10
22 October at 22:08	108 MW	2	Met9
22 October at 21:56	11 MW	1	Met12
22 October at 21:53	172 MW	4	Met10
22 October at 21:53	206 MW	3	Met9
22 October at 21:38	108 MW	3	Met10
22 October at 21:38	113 MW	2	Met9
22 October at 21:26	11 MW	1	Met12
22 October at 21:23	106 MW	3	Met10
22 October at 21:23	55 MW	1	Met9
22 October at 21:16	25 MW	1	Met12
22 October at 21:08	106 MW	3	Met10
22 October at 21:08	59 MW	1	Met9
22 October at 21:06	33 MW	1	Met12
22 October at 20:53	123 MW	4	Met10
22 October at 20:53	71 MW	1	Met9
22 October at 20:38	109 MW	4	Met10
22 October at 20:23	104 MW	3	Met10
22 October at 20:08	101 MW	3	Met10
22 October at 19:53	118 MW	3	Met10
22 October at 19:46	21 MW	1	Met12
22 October at 19:38	127 MW	2	Met9
22 October at 19:38	137 MW	3	Met10
22 October at 19:36	27 MW	1	Met12
22 October at 19:26	58 MW	3	Met12
22 October at 19:23	116 MW	3	Met10
22 October at 19:23	68 MW	1	Met9
22 October at 19:08	179 MW	4	Met10
22 October at 19:08	135 MW	2	Met9
22 October at 19:06	12 MW	1	Met12
22 October at 18:53	73 MW	1	Met9
22 October at 18:53	167 MW	5	Met10
22 October at 18:38	233 MW	6	Met10
22 October at 18:23	291 MW	7	Met10
22 October at 18:16	12 MW	1	Met12
22 October at 18:08	520 MW	11	Met10
22 October at 18:06	91 MW	4	Met12
22 October at 18:03	254 MW	5	Aqua
22 October at 17:56	10 MW	1	Met12
22 October at 17:53	402 MW	9	Met10
22 October at 17:46	48 MW	3	Met12
22 October at 17:38	445 MW	11	Met10
22 October at 17:36	37 MW	2	Met12
22 October at 17:26	190 MW	9	Met12
22 October at 17:23	494 MW	10	Met10
22 October at 17:16	430 MW	17	Met12
22 October at 17:08	969 MW	12	Met10
22 October at 17:08	243 MW	1	Met9
22 October at 17:06	774 MW	17	Met12
22 October at 16:56	675 MW	17	Met12
22 October at 16:53	839 MW	8	Met10
22 October at 16:46	858 MW	15	Met12
22 October at 16:38	995 MW	10	Met10
22 October at 16:36	597 MW	13	Met12
22 October at 16:26	199 MW	7	Met12
22 October at 16:23	511 MW	7	Met10
22 October at 16:16	671 MW	12	Met12
22 October at 16:08	676 MW	6	Met10
22 October at 16:06	565 MW	13	Met12
22 October at 15:59	742 MW	50	N20
22 October at 15:56	674 MW	14	Met12
22 October at 15:53	927 MW	7	Met10
22 October at 15:53	1,147 MW	2	Met9
22 October at 15:46	302 MW	9	Met12
22 October at 15:40	343 MW	28	N
22 October at 15:38	434 MW	5	Met10
22 October at 15:36	415 MW	12	Met12
22 October at 15:26	235 MW	9	Met12
22 October at 15:23	171 MW	2	Met10
22 October at 15:16	89 MW	5	Met12
22 October at 15:08	156 MW	2	Met10
22 October at 15:06	135 MW	8	Met12
22 October at 15:01	110 MW	10	N21
22 October at 14:56	125 MW	7	Met12
22 October at 14:53	61 MW	1	Met10
22 October at 14:46	122 MW	8	Met12
22 October at 14:36	104 MW	7	Met12
22 October at 14:26	127 MW	8	Met12
22 October at 14:16	224 MW	9	Met12
22 October at 14:06	196 MW	12	Met12
22 October at 13:56	270 MW	12	Met12
22 October at 13:46	298 MW	14	Met12
22 October at 13:38	120 MW	1	Met10
22 October at 13:36	261 MW	11	Met12
22 October at 13:26	250 MW	12	Met12
22 October at 13:16	227 MW	13	Met12
22 October at 13:06	250 MW	11	Met12
22 October at 12:56	315 MW	13	Met12
22 October at 12:52	116 MW	1	Met10
22 October at 12:46	447 MW	14	Met12
22 October at 12:37	405 MW	2	Met10
22 October at 12:36	364 MW	11	Met12
22 October at 12:26	88 MW	5	Met12
22 October at 12:16	66 MW	4	Met12
22 October at 12:06	24 MW	2	Met12

2 other fires 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.

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