Fire near Amazonas (BR)

6.95°S, 59.74°W · first detected on 6 September at 06:46

What the satellites measured

This fire was tracked from 6 September at 06:46 to 6 September at 14:49, through 26 satellite detections. The detected extent reaches 424 ha.

Detected extent: 424 ha
Cumulative power: 64 MW
Peak power, one pixel: 13 MW
VIIRS and MODIS detections: 26

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 01:00	85 MW	1	G19
7 September at 00:55	232 MW	2	G19FRP
7 September at 00:51	390 MW	2	Met10
7 September at 00:50	244 MW	2	G19
7 September at 00:45	302 MW	3	G19FRP
7 September at 00:44	236 MW	2	Met12
7 September at 00:40	210 MW	2	G19
7 September at 00:36	176 MW	1	Met10
7 September at 00:35	223 MW	2	G19FRP
7 September at 00:30	228 MW	2	G19
7 September at 00:25	62 MW	1	G19FRP
7 September at 00:20	63 MW	1	G19
7 September at 00:15	355 MW	4	G19FRP
7 September at 00:14	123 MW	2	Met12
7 September at 00:10	249 MW	2	G19
7 September at 00:05	72 MW	1	G19FRP
6 September at 23:54	500 MW	5	Met12
6 September at 23:50	108 MW	1	Met10
6 September at 23:44	306 MW	2	Met12
6 September at 23:35	520 MW	2	G19FRP
6 September at 23:15	586 MW	3	G19FRP
6 September at 23:10	215 MW	1	G19
6 September at 23:05	936 MW	4	G19FRP
6 September at 23:00	790 MW	2	G19
6 September at 22:55	1,222 MW	4	G19FRP
6 September at 22:50	745 MW	2	G19
6 September at 22:45	1,241 MW	4	G19FRP
6 September at 22:40	1,184 MW	3	G19
6 September at 22:35	816 MW	5	G19FRP
6 September at 22:34	249 MW	1	Met12
6 September at 22:30	424 MW	2	G19
6 September at 22:25	385 MW	2	G19FRP
6 September at 22:24	226 MW	1	Met12
6 September at 22:20	481 MW	3	G19
6 September at 22:15	207 MW	3	G19FRP
6 September at 22:05	237 MW	3	G19FRP
6 September at 22:04	365 MW	2	Met12
6 September at 22:00	126 MW	1	G19
6 September at 21:55	346 MW	2	G19FRP
6 September at 21:50	191 MW	1	G19
6 September at 21:45	252 MW	2	G19FRP
6 September at 21:40	275 MW	2	G19
6 September at 21:36	347 MW	5	Aqua
6 September at 21:35	243 MW	3	G19FRP
6 September at 21:30	120 MW	1	G19
6 September at 21:25	55 MW	1	G19FRP
6 September at 21:15	236 MW	2	G19FRP
6 September at 21:10	256 MW	2	G19
6 September at 21:05	234 MW	2	G19FRP
6 September at 21:00	255 MW	2	G19
6 September at 20:55	223 MW	2	G19FRP
6 September at 20:50	244 MW	2	G19
6 September at 20:45	263 MW	3	G19FRP
6 September at 20:44	188 MW	3	Met12
6 September at 20:40	308 MW	3	G19
6 September at 20:35	198 MW	2	G19FRP
6 September at 20:34	140 MW	2	Met12
6 September at 20:30	271 MW	3	G19
6 September at 20:25	99 MW	1	G19FRP
6 September at 20:24	116 MW	4	Met12
6 September at 20:20	91 MW	1	G19
6 September at 20:19	257 MW	8	N20
6 September at 20:15	173 MW	1	G19FRP
6 September at 20:14	190 MW	2	Met12
6 September at 20:10	66 MW	1	G19
6 September at 20:05	167 MW	1	G19FRP
6 September at 20:04	164 MW	3	Met12
6 September at 20:00	386 MW	27	N
6 September at 20:00	372 MW	4	G19
6 September at 19:55	111 MW	1	G19FRP
6 September at 19:50	225 MW	3	G19
6 September at 19:45	148 MW	1	G19FRP
6 September at 19:40	286 MW	3	G19
6 September at 19:35	152 MW	1	G19FRP
6 September at 19:34	107 MW	2	Met12
6 September at 19:30	374 MW	4	G19
6 September at 19:25	248 MW	2	G19FRP
6 September at 19:24	358 MW	22	N21
6 September at 19:20	394 MW	4	G19
6 September at 19:15	156 MW	1	G19FRP
6 September at 19:10	354 MW	4	G19
6 September at 19:05	181 MW	1	G19FRP
6 September at 19:04	180 MW	2	Met12
6 September at 19:00	315 MW	3	G19
6 September at 18:55	134 MW	1	G19FRP
6 September at 18:50	208 MW	2	G19
6 September at 18:45	150 MW	1	G19FRP
6 September at 18:40	228 MW	2	G19
6 September at 18:35	118 MW	1	G19FRP
6 September at 18:30	237 MW	3	G19
6 September at 18:20	42 MW	1	G19
6 September at 18:15	137 MW	2	G19FRP
6 September at 18:10	43 MW	1	G19
6 September at 18:00	121 MW	2	G19
6 September at 17:55	89 MW	1	G19FRP
6 September at 17:50	96 MW	1	G19
6 September at 17:45	68 MW	1	G19FRP
6 September at 17:40	78 MW	1	G19
6 September at 17:25	57 MW	1	G19FRP
6 September at 17:24	71 MW	2	Met12
6 September at 17:14	35 MW	1	Met12
6 September at 17:04	30 MW	1	Met12
6 September at 17:00	52 MW	1	G19
6 September at 16:54	29 MW	1	Met12
6 September at 16:50	51 MW	1	G19
6 September at 16:44	29 MW	1	Met12
6 September at 16:40	47 MW	1	G19
6 September at 16:34	30 MW	1	Met12
6 September at 16:30	46 MW	1	G19
6 September at 16:24	24 MW	1	Met12
6 September at 16:20	37 MW	1	G19
6 September at 16:14	27 MW	1	Met12
6 September at 16:10	34 MW	1	G19
6 September at 16:04	23 MW	1	Met12
6 September at 15:54	21 MW	1	Met12
6 September at 15:50	30 MW	1	G19
6 September at 15:44	22 MW	1	Met12
6 September at 15:34	17 MW	1	Met12
6 September at 15:30	25 MW	1	G19
6 September at 15:24	18 MW	1	Met12
6 September at 15:14	18 MW	1	Met12
6 September at 15:04	17 MW	1	Met12
6 September at 14:54	16 MW	1	Met12
6 September at 14:49	25 MW	2	Terra
6 September at 14:44	19 MW	1	Met12
6 September at 14:34	15 MW	1	Met12
6 September at 14:24	14 MW	1	Met12
6 September at 09:22	7 MW	1	Aqua
6 September at 07:42	6 MW	5	N20
6 September at 07:23	22 MW	16	N
6 September at 06:46	4 MW	2	N21

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