Fire near Territoire du Nord (AU)

20.58°S, 136.69°E · first detected on 22 October at 03:07

What the satellites measured

This fire was tracked from 22 October at 03:07 to 22 October at 07:23, through 143 satellite detections. The detected extent reaches 2,016 ha.

Detected extent: 2,016 ha
Cumulative power: 6,591 MW
Peak power, one pixel: 383 MW
VIIRS and MODIS detections: 143

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
22 October at 10:27	1,017 MW	3	Him9
22 October at 10:17	3,405 MW	8	Him9
22 October at 10:07	884 MW	2	Him9
22 October at 08:57	281 MW	2	Him9
22 October at 08:47	1,060 MW	4	Him9
22 October at 08:37	1,185 MW	5	Him9
22 October at 08:27	385 MW	3	Him9
22 October at 08:17	1,146 MW	7	Him9
22 October at 08:07	341 MW	1	Him9
22 October at 07:57	653 MW	4	Him9
22 October at 07:47	1,077 MW	2	Him9
22 October at 07:37	2,013 MW	6	Him9
22 October at 07:27	940 MW	4	Him9
22 October at 07:23	936 MW	84	N20
22 October at 07:17	368 MW	3	Him9
22 October at 07:07	1,304 MW	7	Him9
22 October at 07:01	3,955 MW	121	N
22 October at 06:57	3,914 MW	14	Him9
22 October at 06:47	5,499 MW	20	Him9
22 October at 06:37	4,884 MW	15	Him9
22 October at 06:27	14,008 MW	23	Him9
22 October at 06:25	10,581 MW	251	N21
22 October at 06:17	14,132 MW	25	Him9
22 October at 06:07	8,889 MW	20	Him9
22 October at 05:57	9,790 MW	19	Him9
22 October at 05:47	7,905 MW	16	Him9
22 October at 05:42	1,410 MW	43	N20
22 October at 05:37	5,856 MW	11	Him9
22 October at 05:27	5,863 MW	14	Him9
22 October at 03:37	2,297 MW	5	Him9
22 October at 03:27	1,947 MW	4	Him9
22 October at 03:17	1,982 MW	6	Him9
22 October at 03:07	4,232 MW	9	Him9
22 October at 02:57	337 MW	1	Him9
22 October at 02:47	158 MW	1	Him9
22 October at 02:37	106 MW	1	Him9
22 October at 02:27	885 MW	2	Him9
22 October at 02:17	1,256 MW	4	Him9
22 October at 02:07	674 MW	3	Him9
21 October at 22:07	19 MW	1	Him9
21 October at 21:47	87 MW	1	Him9
21 October at 21:17	131 MW	2	Him9
21 October at 20:57	196 MW	2	Him9
21 October at 20:47	496 MW	4	Him9
21 October at 20:37	2,797 MW	9	Him9
21 October at 20:27	2,705 MW	10	Him9
21 October at 20:17	87 MW	2	Him9
21 October at 20:07	1,493 MW	10	Him9
21 October at 19:57	461 MW	5	Him9
21 October at 19:54	571 MW	8	Aqua
21 October at 19:47	27 MW	1	Him9
21 October at 19:37	685 MW	6	Him9
21 October at 19:27	1,085 MW	5	Him9
21 October at 19:17	2,359 MW	14	Him9
21 October at 19:07	3,244 MW	17	Him9
21 October at 18:57	3,787 MW	19	Him9
21 October at 18:52	5,274 MW	409	N20
21 October at 18:47	4,599 MW	18	Him9
21 October at 18:37	2,469 MW	17	Him9
21 October at 18:35	2,186 MW	260	N
21 October at 18:27	2,511 MW	9	Him9
21 October at 18:17	4,516 MW	11	Him9
21 October at 18:07	2,761 MW	9	Him9
21 October at 17:57	647 MW	4	Him9
21 October at 17:56	2,634 MW	436	N21
21 October at 17:47	4,331 MW	16	Him9
21 October at 17:27	1,575 MW	5	Him9
21 October at 17:17	1,195 MW	5	Him9
21 October at 17:12	11,731 MW	377	N20
21 October at 17:07	5,727 MW	21	Him9
21 October at 16:57	20,139 MW	41	Him9
21 October at 16:37	17,773 MW	32	Him9
21 October at 16:27	13,818 MW	22	Him9
21 October at 16:17	5,094 MW	13	Him9
21 October at 16:07	114 MW	2	Him9
21 October at 15:37	42 MW	1	Him9
21 October at 15:27	5,996 MW	11	Him9
21 October at 15:17	783 MW	2	Him9
21 October at 15:07	679 MW	2	Him9
21 October at 14:57	2,021 MW	3	Him9
21 October at 10:47	232 MW	4	Him9
21 October at 10:37	426 MW	7	Him9

8 other fires near Territoire du Nord (AU)

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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