Fire near Nouvelle-Bretagne occidentale (PG)
5.02°S, 151.41°E · first detected on 17 September at 05:02
What the satellites measured
This fire was tracked from 17 September at 05:02 to 6 October at 17:31, that is 20 days, through 497 satellite detections. The detected extent reaches 6,898 ha.
- Detected extent
- 6,898 ha
- Cumulative power
- 2,049 MW
- Peak power, one pixel
- 34 MW
- VIIRS and MODIS detections
- 497
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 22 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 |
|---|---|---|---|
| 6 October at 17:31 | 6 MW | 3 | N21 |
| 6 October at 16:48 | 4 MW | 4 | N20 |
| 6 October at 07:48 | 15 MW | 2 | Aqua |
| 6 October at 05:47 | 31 MW | 6 | N20 |
| 6 October at 05:25 | 22 MW | 4 | N |
| 6 October at 04:49 | 12 MW | 3 | N21 |
| 5 October at 19:34 | 7 MW | 1 | Aqua |
| 5 October at 17:07 | 5 MW | 3 | N20 |
| 5 October at 16:48 | 2 MW | 1 | N |
| 5 October at 05:45 | 11 MW | 4 | N |
| 5 October at 05:08 | 9 MW | 1 | N21 |
| 3 October at 17:44 | 2 MW | 1 | N20 |
| 3 October at 17:26 | 7 MW | 5 | N |
| 3 October at 16:48 | 5 MW | 2 | N21 |
| 2 October at 18:03 | 9 MW | 2 | N20 |
| 2 October at 17:44 | 7 MW | 5 | N |
| 2 October at 17:07 | 12 MW | 6 | N21 |
| 2 October at 05:19 | 7 MW | 1 | N20 |
| 2 October at 05:00 | 2 MW | 1 | N |
| 1 October at 17:26 | 20 MW | 6 | N21 |
| 1 October at 05:38 | 24 MW | 4 | N20 |
| 30 September at 05:02 | 14 MW | 2 | N21 |
| 29 September at 17:20 | 1 MW | 1 | N20 |
| 29 September at 05:55 | 35 MW | 7 | N |
| 29 September at 05:19 | 15 MW | 2 | N21 |
| 28 September at 17:37 | 1 MW | 1 | N20 |
| 28 September at 17:18 | 2 MW | 2 | N |
| 28 September at 07:40 | 99 MW | 7 | Aqua |
| 28 September at 06:17 | 25 MW | 5 | N |
| 28 September at 05:40 | 87 MW | 10 | N21 |
| 28 September at 04:53 | 14 MW | 5 | N20 |
| 27 September at 17:37 | 6 MW | 5 | N |
| 27 September at 17:01 | 5 MW | 4 | N21 |
| 26 September at 17:20 | 6 MW | 5 | N21 |
| 26 September at 05:32 | 46 MW | 11 | N20 |
| 26 September at 05:13 | 23 MW | 5 | N |
| 25 September at 17:37 | 2 MW | 2 | N21 |
| 25 September at 16:54 | 3 MW | 2 | N20 |
| 25 September at 05:51 | 20 MW | 4 | N20 |
| 25 September at 05:32 | 66 MW | 15 | N |
| 25 September at 04:56 | 10 MW | 2 | N21 |
| 24 September at 17:14 | 3 MW | 2 | N20 |
| 24 September at 05:13 | 7 MW | 1 | N21 |
| 23 September at 04:47 | 3 MW | 1 | N20 |
| 22 September at 17:31 | 2 MW | 2 | N |
| 22 September at 05:51 | 7 MW | 1 | N21 |
| 22 September at 05:08 | 8 MW | 1 | N20 |
| 21 September at 17:50 | 2 MW | 3 | N |
| 21 September at 17:14 | 3 MW | 3 | N21 |
| 21 September at 05:25 | 24 MW | 6 | N20 |
| 21 September at 05:06 | 16 MW | 3 | N |
| 20 September at 07:31 | 5 MW | 1 | Aqua |
| 20 September at 05:45 | 4 MW | 1 | N20 |
| 20 September at 05:25 | 11 MW | 2 | N |
| 19 September at 05:08 | 6 MW | 1 | N21 |
| 18 September at 17:26 | 0 MW | 1 | N20 |
| 18 September at 06:04 | 6 MW | 1 | N |
| 17 September at 05:02 | 4 MW | 1 | N20 |
8 other fires near Nouvelle-Bretagne occidentale (PG)
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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