Fire near Australie-Occidentale (AU)
17.51°S, 126.79°E · first detected on 20 October at 14:38
What the satellites measured
This fire was tracked from 20 October at 14:38 to 22 October at 19:17, that is 2 days, through 342 satellite detections. The detected extent reaches 4,056 ha.
- Detected extent
- 4,056 ha
- Cumulative power
- 3,336 MW
- Peak power, one pixel
- 106 MW
- VIIRS and MODIS detections
- 342
- Estimated emissions
- 28.3 kt of carbon
- Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 20 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 5 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 05:57 | 565 MW | 3 | Him9 |
| 23 October at 05:47 | 459 MW | 3 | Him9 |
| 23 October at 05:37 | 122 MW | 1 | Him9 |
| 23 October at 05:27 | 382 MW | 2 | Him9 |
| 23 October at 05:17 | 1,199 MW | 6 | Him9 |
| 23 October at 05:07 | 957 MW | 5 | Him9 |
| 23 October at 04:57 | 710 MW | 4 | Him9 |
| 23 October at 04:37 | 421 MW | 2 | Him9 |
| 23 October at 04:27 | 346 MW | 2 | Him9 |
| 23 October at 04:17 | 149 MW | 1 | Him9 |
| 23 October at 03:57 | 64 MW | 1 | Him9 |
| 23 October at 03:17 | 129 MW | 1 | Him9 |
| 23 October at 02:57 | 102 MW | 1 | Him9 |
| 23 October at 02:47 | 89 MW | 1 | Him9 |
| 23 October at 02:37 | 87 MW | 1 | Him9 |
| 23 October at 01:27 | 31 MW | 1 | Him9 |
| 23 October at 01:17 | 39 MW | 1 | Him9 |
| 23 October at 01:07 | 173 MW | 2 | Him9 |
| 23 October at 00:57 | 415 MW | 3 | Him9 |
| 23 October at 00:47 | 408 MW | 6 | Him9 |
| 23 October at 00:37 | 264 MW | 4 | Him9 |
| 23 October at 00:27 | 189 MW | 4 | Him9 |
| 23 October at 00:07 | 47 MW | 2 | Him9 |
| 22 October at 23:57 | 59 MW | 2 | Him9 |
| 22 October at 23:47 | 65 MW | 2 | Him9 |
| 22 October at 23:37 | 49 MW | 2 | Him9 |
| 22 October at 23:27 | 75 MW | 2 | Him9 |
| 22 October at 23:17 | 80 MW | 2 | Him9 |
| 22 October at 22:27 | 171 MW | 3 | Him9 |
| 22 October at 22:17 | 24 MW | 1 | Him9 |
| 22 October at 22:07 | 70 MW | 2 | Him9 |
| 22 October at 21:57 | 144 MW | 2 | Him9 |
| 22 October at 21:47 | 231 MW | 4 | Him9 |
| 22 October at 21:37 | 437 MW | 4 | Him9 |
| 22 October at 21:27 | 265 MW | 5 | Him9 |
| 22 October at 21:17 | 156 MW | 3 | Him9 |
| 22 October at 21:07 | 263 MW | 3 | Him9 |
| 22 October at 20:57 | 92 MW | 3 | Him9 |
| 22 October at 20:47 | 61 MW | 1 | Him9 |
| 22 October at 20:07 | 19 MW | 1 | Him9 |
| 22 October at 19:37 | 41 MW | 1 | Him9 |
| 22 October at 19:17 | 6 MW | 1 | N21 |
| 22 October at 19:17 | 56 MW | 1 | Him9 |
| 22 October at 19:07 | 196 MW | 3 | Him9 |
| 22 October at 18:57 | 45 MW | 1 | Him9 |
| 22 October at 18:35 | 40 MW | 8 | N20 |
| 22 October at 18:13 | 40 MW | 8 | N |
| 22 October at 17:17 | 33 MW | 1 | Him9 |
| 22 October at 17:07 | 35 MW | 1 | Him9 |
| 22 October at 16:57 | 29 MW | 1 | Him9 |
| 22 October at 13:37 | 24 MW | 1 | Him9 |
| 22 October at 12:07 | 51 MW | 1 | Him9 |
| 22 October at 08:37 | 207 MW | 1 | Him9 |
| 22 October at 07:27 | 263 MW | 2 | Him9 |
| 22 October at 07:25 | 410 MW | 32 | N20 |
| 22 October at 07:17 | 298 MW | 3 | Him9 |
| 22 October at 07:04 | 191 MW | 8 | N |
| 22 October at 06:57 | 509 MW | 3 | Him9 |
| 22 October at 06:47 | 203 MW | 2 | Him9 |
| 22 October at 06:25 | 319 MW | 7 | N21 |
| 22 October at 06:07 | 56 MW | 1 | Him9 |
| 22 October at 04:17 | 106 MW | 1 | Him9 |
| 22 October at 02:09 | 85 MW | 2 | Terra |
| 21 October at 21:32 | 28 MW | 2 | Aqua |
| 21 October at 21:07 | 22 MW | 1 | Him9 |
| 21 October at 20:57 | 36 MW | 1 | Him9 |
| 21 October at 19:07 | 16 MW | 1 | Him9 |
| 21 October at 18:52 | 34 MW | 16 | N20 |
| 21 October at 18:33 | 17 MW | 10 | N |
| 21 October at 17:57 | 16 MW | 1 | Him9 |
| 21 October at 17:56 | 36 MW | 6 | N21 |
| 21 October at 17:47 | 17 MW | 1 | Him9 |
| 21 October at 12:07 | 191 MW | 2 | Him9 |
| 21 October at 11:57 | 251 MW | 2 | Him9 |
| 21 October at 11:37 | 232 MW | 1 | Him9 |
| 21 October at 11:17 | 297 MW | 3 | Him9 |
| 21 October at 11:07 | 87 MW | 2 | Him9 |
| 21 October at 10:57 | 1,082 MW | 5 | Him9 |
| 21 October at 07:42 | 498 MW | 51 | N20 |
| 21 October at 07:23 | 297 MW | 33 | N |
| 21 October at 06:46 | 120 MW | 8 | N21 |
| 20 October at 20:56 | 16 MW | 1 | Aqua |
| 20 October at 19:09 | 360 MW | 62 | N20 |
| 20 October at 18:52 | 414 MW | 63 | N |
| 20 October at 18:13 | 240 MW | 21 | N21 |
| 20 October at 15:17 | 2,040 MW | 6 | Him9 |
| 20 October at 14:38 | 187 MW | 3 | Terra |
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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