Fire near Pará (BR)

3.28°S, 53.76°W · first detected on 22 October at 17:05

What the satellites measured

This fire was tracked from 22 October at 17:05 to 23 October at 01:54, through 48 satellite detections. The detected extent reaches 1,754 ha.

Detected extent: 1,754 ha
Cumulative power: 1,484 MW
Peak power, one pixel: 169 MW
VIIRS and MODIS detections: 48

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 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
23 October at 04:04	10 MW	1	Met12
23 October at 03:40	19 MW	1	G19
23 October at 02:44	11 MW	1	Met12
23 October at 02:34	13 MW	1	Met12
23 October at 02:24	14 MW	1	Met12
23 October at 02:15	52 MW	2	G19FRP
23 October at 02:14	23 MW	1	Met12
23 October at 02:06	134 MW	2	Met10
23 October at 02:05	79 MW	2	G19FRP
23 October at 02:04	127 MW	4	Met12
23 October at 01:54	664 MW	9	Terra
23 October at 01:36	173 MW	2	Met10
23 October at 01:34	163 MW	4	Met12
23 October at 01:30	112 MW	1	G19
23 October at 01:25	69 MW	2	G19FRP
23 October at 01:24	94 MW	4	Met12
23 October at 01:21	146 MW	2	Met10
23 October at 01:15	132 MW	3	G19FRP
23 October at 01:14	110 MW	4	Met12
23 October at 01:10	85 MW	1	G19
23 October at 01:06	217 MW	2	Met10
23 October at 01:05	92 MW	1	G19FRP
23 October at 01:00	106 MW	1	G19
23 October at 00:55	151 MW	2	G19FRP
23 October at 00:51	251 MW	2	Met10
23 October at 00:50	210 MW	2	G19
23 October at 00:45	187 MW	2	G19FRP
23 October at 00:40	216 MW	2	G19
23 October at 00:36	399 MW	2	Met10
23 October at 00:35	333 MW	3	G19FRP
23 October at 00:34	138 MW	2	Met12
23 October at 00:30	558 MW	3	G19
23 October at 00:25	578 MW	4	G19FRP
23 October at 00:20	1,193 MW	4	G19
23 October at 00:15	296 MW	3	G19FRP
23 October at 00:14	181 MW	4	Met12
23 October at 00:10	662 MW	4	G19
23 October at 00:06	294 MW	2	Met10
23 October at 00:05	108 MW	3	G19FRP
23 October at 00:04	218 MW	5	Met12
23 October at 00:00	86 MW	1	G19
22 October at 23:55	78 MW	3	G19FRP
22 October at 23:54	85 MW	2	Met12
22 October at 23:51	197 MW	2	Met10
22 October at 23:50	88 MW	1	G19
22 October at 23:45	148 MW	3	G19FRP
22 October at 23:44	105 MW	3	Met12
22 October at 23:40	82 MW	1	G19
22 October at 23:36	174 MW	2	Met10
22 October at 23:35	337 MW	4	G19FRP
22 October at 23:34	159 MW	3	Met12
22 October at 23:30	304 MW	2	G19
22 October at 23:25	281 MW	3	G19FRP
22 October at 23:20	175 MW	1	G19
22 October at 23:15	59 MW	2	G19FRP
22 October at 23:14	49 MW	2	Met12
22 October at 23:05	137 MW	3	G19FRP
22 October at 23:04	80 MW	2	Met12
22 October at 23:00	86 MW	1	G19
22 October at 22:55	97 MW	3	G19FRP
22 October at 22:54	23 MW	1	Met12
22 October at 22:45	76 MW	2	G19FRP
22 October at 22:44	14 MW	1	Met12
22 October at 22:40	53 MW	1	G19
22 October at 22:35	71 MW	2	G19FRP
22 October at 22:30	48 MW	1	G19
22 October at 22:25	76 MW	2	G19FRP
22 October at 22:20	49 MW	1	G19
22 October at 22:15	52 MW	1	G19FRP
22 October at 22:10	56 MW	1	G19
22 October at 22:05	64 MW	1	G19FRP
22 October at 22:00	69 MW	1	G19
22 October at 21:45	112 MW	2	G19FRP
22 October at 21:40	77 MW	1	G19
22 October at 21:35	102 MW	2	G19FRP
22 October at 21:30	70 MW	1	G19
22 October at 21:24	27 MW	1	Met12
22 October at 20:50	72 MW	1	G19
22 October at 20:35	87 MW	1	G19FRP
22 October at 20:30	186 MW	2	G19
22 October at 20:25	113 MW	2	G19FRP
22 October at 20:24	16 MW	1	Met12
22 October at 20:20	160 MW	2	G19
22 October at 20:15	73 MW	1	G19FRP
22 October at 20:14	16 MW	1	Met12
22 October at 20:10	82 MW	1	G19
22 October at 20:05	174 MW	2	G19FRP
22 October at 20:04	91 MW	3	Met12
22 October at 20:00	191 MW	2	G19
22 October at 19:55	191 MW	2	G19FRP
22 October at 19:54	206 MW	5	Met12
22 October at 19:50	301 MW	3	G19
22 October at 19:45	83 MW	1	G19FRP
22 October at 19:44	62 MW	2	Met12
22 October at 19:40	93 MW	1	G19
22 October at 19:35	80 MW	1	G19FRP
22 October at 19:30	147 MW	2	G19
22 October at 19:25	101 MW	1	G19FRP
22 October at 19:17	140 MW	12	N20
22 October at 19:15	72 MW	1	G19FRP
22 October at 19:05	114 MW	1	G19FRP
22 October at 19:04	53 MW	2	Met12
22 October at 19:00	122 MW	1	G19
22 October at 18:58	83 MW	5	N
22 October at 18:55	75 MW	1	G19FRP
22 October at 18:40	142 MW	2	G19
22 October at 18:35	117 MW	1	G19FRP
22 October at 18:34	206 MW	6	Met12
22 October at 18:30	239 MW	3	G19
22 October at 18:25	155 MW	1	G19FRP
22 October at 18:24	159 MW	4	Met12
22 October at 18:22	597 MW	22	N21
22 October at 18:20	415 MW	4	G19
22 October at 18:15	927 MW	5	G19FRP
22 October at 18:14	61 MW	1	Met12
22 October at 18:10	672 MW	4	G19
22 October at 18:05	687 MW	3	G19FRP
22 October at 18:04	90 MW	3	Met12
22 October at 18:00	778 MW	4	G19
22 October at 17:55	212 MW	1	G19FRP
22 October at 17:54	675 MW	6	Met12
22 October at 17:50	170 MW	2	G19
22 October at 17:45	1,349 MW	5	G19FRP
22 October at 17:35	139 MW	1	G19FRP
22 October at 17:25	526 MW	4	G19FRP
22 October at 17:24	178 MW	2	Met12
22 October at 17:15	1,786 MW	4	G19FRP
22 October at 17:05	420 MW	2	G19FRP

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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