Fire near Amazonas (BR)

3.14°S, 60.64°W · first detected on 5 September at 20:19

What the satellites measured

This fire was tracked from 5 September at 20:19 to 6 September at 14:46, through 28 satellite detections. The detected extent reaches 679 ha.

Detected extent: 679 ha
Cumulative power: 153 MW
Peak power, one pixel: 21 MW
VIIRS and MODIS detections: 28

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 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
7 September at 01:14	22 MW	1	Met12
7 September at 01:00	302 MW	2	G19
7 September at 00:55	462 MW	4	G19FRP
7 September at 00:50	449 MW	3	G19
7 September at 00:45	104 MW	2	G19FRP
7 September at 00:44	200 MW	2	Met12
7 September at 00:40	502 MW	3	G19
7 September at 00:35	532 MW	5	G19FRP
7 September at 00:34	173 MW	2	Met12
7 September at 00:30	578 MW	4	G19
7 September at 00:25	314 MW	3	G19FRP
7 September at 00:20	655 MW	4	G19
7 September at 00:15	93 MW	2	G19FRP
7 September at 00:10	641 MW	4	G19
7 September at 00:05	604 MW	5	G19FRP
7 September at 00:04	326 MW	5	Met12
7 September at 00:00	665 MW	4	G19
6 September at 23:55	508 MW	4	G19FRP
6 September at 23:54	282 MW	5	Met12
6 September at 23:50	635 MW	4	G19
6 September at 23:45	502 MW	4	G19FRP
6 September at 23:44	242 MW	4	Met12
6 September at 23:40	520 MW	3	G19
6 September at 23:35	589 MW	4	G19FRP
6 September at 23:34	264 MW	4	Met12
6 September at 23:30	588 MW	3	G19
6 September at 23:25	489 MW	5	G19FRP
6 September at 23:24	135 MW	1	Met12
6 September at 23:20	636 MW	5	G19
6 September at 23:15	508 MW	5	G19FRP
6 September at 23:10	550 MW	4	G19
6 September at 23:05	446 MW	4	G19FRP
6 September at 23:00	497 MW	4	G19
6 September at 22:55	443 MW	4	G19FRP
6 September at 22:50	323 MW	2	G19
6 September at 22:45	445 MW	5	G19FRP
6 September at 22:40	310 MW	2	G19
6 September at 22:35	289 MW	3	G19FRP
6 September at 22:30	335 MW	3	G19
6 September at 22:25	367 MW	4	G19FRP
6 September at 22:20	375 MW	3	G19
6 September at 22:15	322 MW	3	G19FRP
6 September at 22:10	534 MW	5	G19
6 September at 22:05	471 MW	4	G19FRP
6 September at 22:00	479 MW	3	G19
6 September at 21:55	451 MW	3	G19FRP
6 September at 21:50	570 MW	4	G19
6 September at 21:45	485 MW	4	G19FRP
6 September at 21:44	96 MW	1	Met12
6 September at 21:40	687 MW	6	G19
6 September at 21:38	654 MW	10	Aqua
6 September at 21:35	504 MW	3	G19FRP
6 September at 21:34	216 MW	3	Met12
6 September at 21:30	522 MW	3	G19
6 September at 21:25	552 MW	3	G19FRP
6 September at 21:24	285 MW	6	Met12
6 September at 21:20	761 MW	5	G19
6 September at 21:15	434 MW	3	G19FRP
6 September at 21:14	211 MW	4	Met12
6 September at 21:10	787 MW	6	G19
6 September at 21:05	552 MW	3	G19FRP
6 September at 21:04	292 MW	6	Met12
6 September at 21:00	770 MW	5	G19
6 September at 20:55	658 MW	4	G19FRP
6 September at 20:54	328 MW	6	Met12
6 September at 20:50	815 MW	5	G19
6 September at 20:45	600 MW	3	G19FRP
6 September at 20:44	361 MW	6	Met12
6 September at 20:40	807 MW	5	G19
6 September at 20:35	515 MW	3	G19FRP
6 September at 20:34	292 MW	5	Met12
6 September at 20:30	558 MW	4	G19
6 September at 20:25	506 MW	3	G19FRP
6 September at 20:24	262 MW	4	Met12
6 September at 20:20	616 MW	5	G19
6 September at 20:19	116 MW	6	N20
6 September at 20:15	538 MW	3	G19FRP
6 September at 20:14	315 MW	4	Met12
6 September at 20:10	452 MW	2	G19
6 September at 20:05	91 MW	1	G19FRP
6 September at 20:04	302 MW	4	Met12
6 September at 20:02	190 MW	10	N
6 September at 20:00	154 MW	2	G19
6 September at 19:55	182 MW	2	G19FRP
6 September at 19:54	294 MW	5	Met12
6 September at 19:50	239 MW	3	G19
6 September at 19:45	127 MW	1	G19FRP
6 September at 19:44	388 MW	5	Met12
6 September at 19:40	138 MW	1	G19
6 September at 19:35	684 MW	3	G19FRP
6 September at 19:34	264 MW	4	Met12
6 September at 19:30	344 MW	3	G19
6 September at 19:25	793 MW	3	G19FRP
6 September at 19:24	651 MW	17	N21
6 September at 19:24	696 MW	5	Met12
6 September at 19:20	352 MW	3	G19
6 September at 19:15	915 MW	3	G19FRP
6 September at 19:14	724 MW	6	Met12
6 September at 19:10	913 MW	5	G19
6 September at 19:05	256 MW	2	G19FRP
6 September at 19:04	203 MW	2	Met12
6 September at 19:00	278 MW	3	G19
6 September at 18:55	953 MW	3	G19FRP
6 September at 18:50	506 MW	5	G19
6 September at 18:45	766 MW	3	G19FRP
6 September at 18:44	141 MW	2	Met12
6 September at 18:40	453 MW	4	G19
6 September at 18:35	1,180 MW	4	G19FRP
6 September at 18:34	141 MW	3	Met12
6 September at 18:30	858 MW	2	G19
6 September at 18:25	746 MW	6	G19FRP
6 September at 18:24	511 MW	8	Met12
6 September at 18:20	123 MW	1	G19
6 September at 18:15	150 MW	2	G19FRP
6 September at 18:14	86 MW	3	Met12
6 September at 18:05	181 MW	2	G19FRP
6 September at 18:04	79 MW	3	Met12
6 September at 17:55	71 MW	1	G19FRP
6 September at 17:54	75 MW	3	Met12
6 September at 17:50	191 MW	3	G19
6 September at 17:45	71 MW	1	G19FRP
6 September at 17:44	94 MW	4	Met12
6 September at 17:40	138 MW	2	G19
6 September at 17:35	158 MW	2	G19FRP
6 September at 17:34	87 MW	3	Met12
6 September at 17:30	179 MW	2	G19
6 September at 17:25	115 MW	2	G19FRP
6 September at 17:24	96 MW	4	Met12
6 September at 17:20	212 MW	3	G19
6 September at 17:15	65 MW	1	G19FRP
6 September at 17:14	46 MW	2	Met12
6 September at 17:10	132 MW	2	G19
6 September at 17:05	116 MW	2	G19FRP
6 September at 17:04	40 MW	2	Met12
6 September at 16:45	50 MW	1	G19FRP
6 September at 16:40	61 MW	1	G19
6 September at 16:25	76 MW	2	G19FRP
6 September at 16:20	45 MW	1	G19
6 September at 16:15	87 MW	2	G19FRP
6 September at 16:10	55 MW	1	G19
6 September at 16:05	79 MW	2	G19FRP
6 September at 16:00	46 MW	1	G19
6 September at 15:55	84 MW	2	G19FRP
6 September at 15:50	93 MW	2	G19
6 September at 15:45	75 MW	2	G19FRP
6 September at 15:40	86 MW	2	G19
6 September at 15:35	58 MW	2	G19FRP
6 September at 15:30	35 MW	1	G19
6 September at 15:25	53 MW	2	G19FRP
6 September at 15:20	31 MW	1	G19
6 September at 14:50	23 MW	1	G19
6 September at 14:46	35 MW	3	Terra
6 September at 09:22	11 MW	1	Aqua
6 September at 07:40	24 MW	11	N20
6 September at 07:23	13 MW	6	N
6 September at 06:46	6 MW	2	N21
6 September at 02:26	38 MW	2	Terra
5 September at 20:19	25 MW	3	N

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