Fire near Pará (BR)

0.61°S, 48.87°W · first detected on 21 October at 17:10

What the satellites measured

This fire was tracked from 21 October at 17:10 to 23 October at 01:54, through 26 satellite detections. The detected extent reaches 1,006 ha.

Detected extent: 1,006 ha
Cumulative power: 641 MW
Peak power, one pixel: 183 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 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 01:54	17 MW	2	Terra
23 October at 01:34	12 MW	1	Met12
23 October at 00:14	11 MW	1	Met12
23 October at 00:10	22 MW	1	G19
23 October at 00:05	20 MW	1	G19FRP
23 October at 00:04	25 MW	2	Met12
22 October at 23:55	37 MW	2	G19FRP
22 October at 23:54	36 MW	3	Met12
22 October at 23:44	16 MW	1	Met12
22 October at 23:35	20 MW	1	G19FRP
22 October at 23:34	17 MW	1	Met12
22 October at 23:25	43 MW	2	G19FRP
22 October at 23:24	14 MW	1	Met12
22 October at 23:15	46 MW	2	G19FRP
22 October at 23:14	27 MW	2	Met12
22 October at 23:05	80 MW	3	G19FRP
22 October at 23:04	42 MW	3	Met12
22 October at 22:55	70 MW	3	G19FRP
22 October at 22:54	42 MW	3	Met12
22 October at 22:50	31 MW	1	G19
22 October at 22:45	78 MW	3	G19FRP
22 October at 22:44	38 MW	2	Met12
22 October at 22:40	35 MW	1	G19
22 October at 22:35	86 MW	3	G19FRP
22 October at 22:34	55 MW	3	Met12
22 October at 22:25	92 MW	3	G19FRP
22 October at 22:24	63 MW	3	Met12
22 October at 22:15	108 MW	3	G19FRP
22 October at 22:14	65 MW	3	Met12
22 October at 22:10	48 MW	1	G19
22 October at 22:05	117 MW	3	G19FRP
22 October at 22:04	50 MW	2	Met12
22 October at 22:00	57 MW	1	G19
22 October at 21:55	148 MW	4	G19FRP
22 October at 21:54	77 MW	3	Met12
22 October at 21:50	55 MW	1	G19
22 October at 21:45	170 MW	4	G19FRP
22 October at 21:44	108 MW	4	Met12
22 October at 21:40	71 MW	1	G19
22 October at 21:35	246 MW	4	G19FRP
22 October at 21:34	143 MW	3	Met12
22 October at 21:30	194 MW	2	G19
22 October at 21:25	208 MW	4	G19FRP
22 October at 21:24	121 MW	4	Met12
22 October at 21:20	163 MW	2	G19
22 October at 21:17	375 MW	5	Aqua
22 October at 21:15	258 MW	3	G19FRP
22 October at 21:14	220 MW	6	Met12
22 October at 21:10	255 MW	2	G19
22 October at 21:05	302 MW	4	G19FRP
22 October at 21:04	213 MW	5	Met12
22 October at 21:00	237 MW	2	G19
22 October at 20:55	250 MW	3	G19FRP
22 October at 20:54	255 MW	6	Met12
22 October at 20:50	286 MW	3	G19
22 October at 20:45	184 MW	2	G19FRP
22 October at 20:44	218 MW	5	Met12
22 October at 20:40	114 MW	1	G19
22 October at 20:35	196 MW	4	G19FRP
22 October at 20:34	94 MW	4	Met12
22 October at 20:30	190 MW	3	G19
22 October at 20:25	315 MW	4	G19FRP
22 October at 20:24	154 MW	4	Met12
22 October at 20:20	272 MW	2	G19
22 October at 20:15	90 MW	2	G19FRP
22 October at 20:14	60 MW	2	Met12
22 October at 20:10	104 MW	2	G19
22 October at 20:05	90 MW	2	G19FRP
22 October at 20:04	65 MW	2	Met12
22 October at 20:00	103 MW	2	G19
22 October at 19:55	219 MW	3	G19FRP
22 October at 19:54	115 MW	4	Met12
22 October at 19:50	249 MW	3	G19
22 October at 19:45	40 MW	1	G19FRP
22 October at 19:44	70 MW	3	Met12
22 October at 19:40	66 MW	2	G19
22 October at 19:35	95 MW	2	G19FRP
22 October at 19:34	100 MW	4	Met12
22 October at 19:30	105 MW	2	G19
22 October at 19:25	150 MW	3	G19FRP
22 October at 19:24	171 MW	4	Met12
22 October at 19:20	162 MW	3	G19
22 October at 19:17	43 MW	4	N20
22 October at 19:15	81 MW	2	G19FRP
22 October at 19:14	121 MW	4	Met12
22 October at 19:10	90 MW	2	G19
22 October at 19:05	87 MW	2	G19FRP
22 October at 19:04	202 MW	4	Met12
22 October at 19:00	169 MW	4	G19
22 October at 18:58	147 MW	9	N
22 October at 18:55	92 MW	2	G19FRP
22 October at 18:54	114 MW	4	Met12
22 October at 18:50	102 MW	2	G19
22 October at 18:45	233 MW	3	G19FRP
22 October at 18:44	263 MW	5	Met12
22 October at 18:40	196 MW	3	G19
22 October at 18:35	251 MW	4	G19FRP
22 October at 18:34	298 MW	6	Met12
22 October at 18:30	235 MW	3	G19
22 October at 18:25	224 MW	3	G19FRP
22 October at 18:24	159 MW	4	Met12
22 October at 18:22	37 MW	2	N21
22 October at 18:20	304 MW	4	G19
22 October at 18:14	17 MW	1	Met12
22 October at 18:04	14 MW	1	Met12
22 October at 17:40	96 MW	2	G19
21 October at 21:20	22 MW	1	G19
21 October at 21:10	20 MW	1	G19
21 October at 21:00	24 MW	1	G19
21 October at 20:54	12 MW	1	Met12
21 October at 20:50	27 MW	1	G19
21 October at 20:14	24 MW	2	Met12
21 October at 20:00	24 MW	1	G19
21 October at 19:37	7 MW	1	N20
21 October at 18:39	15 MW	3	N21
21 October at 17:10	23 MW	1	G19

8 other fires near Pará (BR)

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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