Fire near Septentrionale (ZM)

11.06°S, 29.31°E · first detected on 6 September at 10:23

What the satellites measured

This fire was tracked from 6 September at 10:23 to 7 September at 21:06, through 1,049 satellite detections. The detected extent reaches 18,442 ha.

Detected extent: 18,442 ha
Cumulative power: 11,415 MW
Peak power, one pixel: 68 MW
VIIRS and MODIS detections: 1,049

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 375 m pixel counts in full 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 and loads only its detections. The timeline below covers the whole known life of the fire, from the first trace, satellite or report, to the last announcement from emergency services, and the ticks on the bar mark those announcements. Detections often stop before containment: a fire stops radiating once it stops spreading, which is exactly when it is declared contained. “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. “12 h” stacks twelve hours , as the home map does, where stacking avoids an empty screen between two satellite passes. 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 4 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
7 September at 21:53	10 MW	1	Met12
7 September at 21:43	10 MW	1	Met12
7 September at 21:06	12 MW	1	Terra
7 September at 19:05	12 MW	1	Met9
7 September at 18:53	13 MW	1	Met12
7 September at 18:50	24 MW	1	Met9
7 September at 18:50	24 MW	1	Met10
7 September at 18:35	18 MW	1	Met10
7 September at 18:23	26 MW	2	Met12
7 September at 18:20	20 MW	1	Met10
7 September at 18:20	15 MW	1	Met9
7 September at 18:13	12 MW	1	Met12
7 September at 18:05	103 MW	6	Met9
7 September at 18:05	40 MW	2	Met10
7 September at 18:03	69 MW	4	Met12
7 September at 17:53	41 MW	3	Met12
7 September at 17:50	67 MW	4	Met9
7 September at 17:50	17 MW	1	Met10
7 September at 17:43	77 MW	5	Met12
7 September at 17:35	136 MW	6	Met9
7 September at 17:35	146 MW	6	Met10
7 September at 17:33	98 MW	6	Met12
7 September at 17:23	34 MW	2	Met12
7 September at 17:20	115 MW	4	Met9
7 September at 17:20	138 MW	5	Met10
7 September at 17:13	39 MW	3	Met12
7 September at 17:05	236 MW	7	Met9
7 September at 17:05	226 MW	6	Met10
7 September at 17:03	41 MW	3	Met12
7 September at 16:53	24 MW	2	Met12
7 September at 16:50	169 MW	3	Met10
7 September at 16:50	288 MW	9	Met9
7 September at 16:43	104 MW	7	Met12
7 September at 16:35	359 MW	9	Met10
7 September at 16:35	373 MW	11	Met9
7 September at 16:33	53 MW	4	Met12
7 September at 16:23	158 MW	9	Met12
7 September at 16:20	521 MW	11	Met10
7 September at 16:20	537 MW	13	Met9
7 September at 16:13	85 MW	3	Met12
7 September at 16:05	682 MW	16	Met9
7 September at 16:05	638 MW	12	Met10
7 September at 16:03	75 MW	3	Met12
7 September at 15:53	186 MW	8	Met12
7 September at 15:50	412 MW	7	Met9
7 September at 15:50	238 MW	4	Met10
7 September at 15:49	302 MW	4	Met10
7 September at 15:43	87 MW	3	Met12
7 September at 15:40	537 MW	26	Aqua
7 September at 15:35	718 MW	13	Met9
7 September at 15:34	672 MW	9	Met10
7 September at 15:33	224 MW	8	Met12
7 September at 15:23	107 MW	4	Met12
7 September at 15:20	485 MW	8	Met9
7 September at 15:19	343 MW	4	Met10
7 September at 15:13	54 MW	4	Met12
7 September at 15:05	643 MW	12	Met9
7 September at 15:04	663 MW	9	Met10
7 September at 15:03	157 MW	6	Met12
7 September at 14:53	103 MW	5	Met12
7 September at 14:50	810 MW	12	Met9
7 September at 14:49	850 MW	11	Met10
7 September at 14:49	81 MW	2	Met9
7 September at 14:43	286 MW	11	Met12
7 September at 14:34	1,165 MW	16	Met9
7 September at 14:34	922 MW	10	Met10
7 September at 14:34	822 MW	74	N
7 September at 14:33	170 MW	6	Met12
7 September at 14:23	316 MW	9	Met12
7 September at 14:19	1,194 MW	16	Met9
7 September at 14:19	1,048 MW	10	Met10
7 September at 14:13	257 MW	11	Met12
7 September at 14:04	1,214 MW	15	Met9
7 September at 14:04	821 MW	6	Met10
7 September at 14:03	494 MW	16	Met12
7 September at 13:57	1,825 MW	159	N21
7 September at 13:49	1,199 MW	12	Met9
7 September at 13:49	969 MW	7	Met10
7 September at 13:34	1,109 MW	9	Met9
7 September at 13:34	1,013 MW	7	Met10
7 September at 13:19	1,065 MW	9	Met10
7 September at 13:19	1,240 MW	12	Met9
7 September at 13:13	1,425 MW	121	N20
7 September at 13:04	1,725 MW	13	Met9
7 September at 13:04	1,533 MW	11	Met10
7 September at 12:53	761 MW	56	N
7 September at 12:49	1,084 MW	10	Met9
7 September at 12:49	1,028 MW	9	Met10
7 September at 12:34	1,056 MW	10	Met9
7 September at 12:34	889 MW	7	Met10
7 September at 12:19	1,277 MW	9	Met10
7 September at 12:19	1,569 MW	13	Met9
7 September at 12:04	1,510 MW	12	Met10
7 September at 12:04	1,439 MW	11	Met9
7 September at 12:03	605 MW	15	Met12
7 September at 11:53	289 MW	8	Met12
7 September at 11:49	756 MW	8	Met10
7 September at 11:49	797 MW	8	Met9
7 September at 11:34	545 MW	7	Met10
7 September at 11:34	400 MW	5	Met9
7 September at 11:19	515 MW	7	Met9
7 September at 11:19	493 MW	6	Met10
7 September at 11:04	368 MW	5	Met9
7 September at 11:04	432 MW	6	Met10
7 September at 10:49	217 MW	3	Met10
7 September at 10:49	85 MW	1	Met9
7 September at 08:54	25 MW	3	Terra
7 September at 08:35	93 MW	4	Met10
7 September at 08:34	58 MW	2	Met9
7 September at 08:20	77 MW	3	Met10
7 September at 08:19	62 MW	2	Met9
6 September at 17:50	14 MW	1	Met9
6 September at 17:33	10 MW	1	Met12
6 September at 17:23	11 MW	1	Met12
6 September at 17:20	36 MW	2	Met9
6 September at 17:20	42 MW	2	Met10
6 September at 17:13	32 MW	2	Met12
6 September at 17:05	105 MW	3	Met10
6 September at 17:05	159 MW	6	Met9
6 September at 17:03	77 MW	5	Met12
6 September at 16:53	102 MW	7	Met12
6 September at 16:50	158 MW	7	Met9
6 September at 16:50	155 MW	6	Met10
6 September at 16:43	154 MW	10	Met12
6 September at 16:35	167 MW	5	Met10
6 September at 16:35	188 MW	7	Met9
6 September at 16:33	84 MW	5	Met12
6 September at 16:23	110 MW	7	Met12
6 September at 16:20	247 MW	9	Met9
6 September at 16:20	238 MW	7	Met10
6 September at 16:13	136 MW	8	Met12
6 September at 16:05	108 MW	3	Met9
6 September at 16:05	38 MW	1	Met10
6 September at 16:03	44 MW	2	Met12
6 September at 15:53	107 MW	6	Met12
6 September at 15:50	64 MW	2	Met9
6 September at 15:43	88 MW	6	Met12
6 September at 15:35	38 MW	1	Met9
6 September at 15:33	81 MW	5	Met12
6 September at 15:23	65 MW	3	Met12
6 September at 15:20	110 MW	2	Met9
6 September at 15:13	81 MW	3	Met12
6 September at 15:03	224 MW	8	Met12
6 September at 14:53	210 MW	6	Met12
6 September at 14:49	134 MW	1	Met10
6 September at 14:49	632 MW	6	Met9
6 September at 14:43	260 MW	6	Met12
6 September at 14:34	207 MW	2	Met9
6 September at 14:33	88 MW	3	Met12
6 September at 14:23	130 MW	5	Met12
6 September at 14:19	593 MW	52	N21
6 September at 14:19	106 MW	1	Met9
6 September at 14:13	67 MW	3	Met12
6 September at 14:03	52 MW	3	Met12
6 September at 13:53	56 MW	2	Met12
6 September at 13:43	286 MW	8	Met12
6 September at 13:33	236 MW	8	Met12
6 September at 13:32	783 MW	88	N20
6 September at 13:23	280 MW	8	Met12
6 September at 13:15	299 MW	26	N
6 September at 13:13	363 MW	11	Met12
6 September at 13:03	269 MW	7	Met12
6 September at 12:53	651 MW	11	Met12
6 September at 12:43	595 MW	13	Met12
6 September at 12:33	313 MW	8	Met12
6 September at 12:23	462 MW	12	Met12
6 September at 12:13	408 MW	11	Met12
6 September at 12:03	484 MW	13	Met12
6 September at 11:53	665 MW	17	Met12
6 September at 11:43	160 MW	6	Met12
6 September at 11:33	165 MW	5	Met12
6 September at 11:23	441 MW	10	Met12
6 September at 11:13	741 MW	17	Met12
6 September at 11:03	381 MW	7	Met12
6 September at 10:43	35 MW	1	Met12
6 September at 10:33	56 MW	3	Met12
6 September at 10:23	25 MW	2	Met12

8 other fires near Septentrionale (ZM)

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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