Fire near Australie-Occidentale (AU)

20.11°S, 126.45°E · first detected on 21 October at 14:27

What the satellites measured

This fire was tracked from 21 October at 14:27 to 22 October at 19:17, through 153 satellite detections. The detected extent reaches 2,431 ha.

Detected extent: 2,431 ha
Cumulative power: 2,690 MW
Peak power, one pixel: 128 MW
VIIRS and MODIS detections: 153
Estimated emissions: 2.8 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 21 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 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
23 October at 06:07	277 MW	1	Him9
23 October at 03:47	370 MW	2	Him9
23 October at 03:37	55 MW	1	Him9
22 October at 19:17	7 MW	3	N21
22 October at 18:35	6 MW	2	N20
22 October at 18:17	65 MW	2	Him9
22 October at 18:13	78 MW	7	N
22 October at 17:17	29 MW	1	Him9
22 October at 16:07	25 MW	1	Him9
22 October at 15:57	46 MW	1	Him9
22 October at 15:47	150 MW	3	Him9
22 October at 14:19	10 MW	1	Terra
22 October at 10:17	57 MW	1	Him9
22 October at 09:41	31 MW	2	Aqua
22 October at 09:27	32 MW	1	Him9
22 October at 09:17	43 MW	1	Him9
22 October at 09:07	31 MW	1	Him9
22 October at 08:57	340 MW	4	Him9
22 October at 08:37	119 MW	2	Him9
22 October at 08:27	181 MW	2	Him9
22 October at 08:17	489 MW	4	Him9
22 October at 08:07	99 MW	1	Him9
22 October at 08:05	413 MW	23	N21
22 October at 07:57	82 MW	1	Him9
22 October at 07:47	300 MW	4	Him9
22 October at 07:37	619 MW	5	Him9
22 October at 07:27	293 MW	2	Him9
22 October at 07:23	464 MW	24	N20
22 October at 07:17	397 MW	1	Him9
22 October at 07:07	920 MW	2	Him9
22 October at 07:04	780 MW	27	N
22 October at 06:57	3,601 MW	8	Him9
22 October at 06:47	577 MW	2	Him9
22 October at 06:37	2,716 MW	4	Him9
22 October at 06:27	262 MW	1	Him9
22 October at 06:25	606 MW	28	N21
22 October at 06:17	509 MW	2	Him9
22 October at 06:07	1,512 MW	5	Him9
22 October at 05:57	1,199 MW	4	Him9
22 October at 05:47	938 MW	2	Him9
22 October at 05:37	413 MW	2	Him9
22 October at 04:57	177 MW	1	Him9
22 October at 04:37	192 MW	2	Him9
22 October at 04:17	500 MW	4	Him9
22 October at 04:07	317 MW	4	Him9
22 October at 03:57	47 MW	1	Him9
22 October at 03:47	99 MW	1	Him9
22 October at 02:37	52 MW	1	Him9
22 October at 02:09	84 MW	4	Terra
22 October at 01:27	102 MW	2	Him9
22 October at 01:17	26 MW	1	Him9
22 October at 00:57	201 MW	4	Him9
22 October at 00:47	58 MW	2	Him9
22 October at 00:37	173 MW	4	Him9
22 October at 00:27	92 MW	2	Him9
22 October at 00:17	98 MW	2	Him9
22 October at 00:07	21 MW	1	Him9
21 October at 21:34	35 MW	2	Aqua
21 October at 19:35	64 MW	7	N21
21 October at 18:52	27 MW	12	N20
21 October at 18:35	83 MW	11	N
21 October at 16:57	38 MW	2	Him9
21 October at 16:37	16 MW	1	Him9
21 October at 16:27	67 MW	2	Him9
21 October at 16:07	25 MW	1	Him9
21 October at 15:57	96 MW	3	Him9
21 October at 15:47	569 MW	5	Him9
21 October at 15:37	817 MW	6	Him9
21 October at 15:27	1,295 MW	6	Him9
21 October at 15:17	3,084 MW	7	Him9
21 October at 14:27	499 MW	2	Him9

8 other fires near Australie-Occidentale (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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