Fire near Bié (AO)

11.31°S, 17.40°E

What the satellites measured

This fire is not in the last thirty days of the fire list, but detections remain around this point: the curve below is rebuilt from the raw pixels, which are kept for a hundred days.

“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 30 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
22 October at 17:23	11 MW	1	Met12
22 October at 16:53	10 MW	1	Met12
22 October at 16:43	16 MW	1	Met12
22 October at 16:33	14 MW	1	Met12
22 October at 16:23	10 MW	1	Met12
22 October at 16:18	66 MW	4	Aqua
22 October at 16:13	21 MW	2	Met12
22 October at 15:35	32 MW	1	Met10
22 October at 15:33	38 MW	2	Met12
22 October at 15:31	49 MW	4	N
22 October at 15:23	47 MW	3	Met12
22 October at 15:20	48 MW	1	Met10
22 October at 15:13	23 MW	2	Met12
22 October at 15:03	15 MW	1	Met12
22 October at 14:55	55 MW	7	N21
22 October at 14:53	27 MW	2	Met12
22 October at 14:43	49 MW	3	Met12
22 October at 14:33	45 MW	2	Met12
22 October at 14:13	11 MW	1	Met12
22 October at 14:12	81 MW	9	N20
22 October at 12:53	11 MW	1	Met12
21 October at 14:29	23 MW	7	N20
21 October at 13:34	3 MW	1	N21
20 October at 18:03	12 MW	1	Met12
20 October at 17:03	12 MW	1	Met12
20 October at 16:53	16 MW	1	Met12
20 October at 16:43	11 MW	1	Met12
20 October at 16:40	73 MW	8	Aqua
20 October at 15:23	142 MW	5	Met12
20 October at 15:20	48 MW	1	Met10
20 October at 15:20	51 MW	1	Met9
20 October at 15:13	16 MW	1	Met12
20 October at 14:53	30 MW	2	Met12
20 October at 14:49	190 MW	29	N20
20 October at 14:43	65 MW	2	Met12
20 October at 14:33	12 MW	1	Met12
20 October at 14:29	104 MW	23	N
20 October at 13:51	132 MW	15	N21
20 October at 13:13	13 MW	1	Met12
19 October at 15:08	62 MW	15	N20
19 October at 14:49	130 MW	21	N
19 October at 14:12	72 MW	11	N21
19 October at 02:35	3 MW	2	N20
19 October at 02:13	2 MW	1	N
19 October at 01:37	2 MW	2	N21
18 October at 17:01	55 MW	2	Aqua
18 October at 15:08	20 MW	3	N
18 October at 14:29	48 MW	6	N21
18 October at 13:47	13 MW	3	N20
17 October at 15:25	59 MW	7	N
17 October at 14:51	86 MW	14	N21
17 October at 14:04	84 MW	13	N20
17 October at 13:47	7 MW	2	N
16 October at 15:08	62 MW	6	N21
16 October at 14:23	64 MW	11	N20
16 October at 14:04	5 MW	1	N
15 October at 16:46	50 MW	6	Aqua
15 October at 14:42	72 MW	13	N20
15 October at 14:21	70 MW	12	N
15 October at 13:47	38 MW	7	N21
14 October at 15:01	164 MW	16	N20
14 October at 14:42	147 MW	32	N
14 October at 14:04	176 MW	19	N21
13 October at 14:59	14 MW	2	N
13 October at 14:23	10 MW	3	N21
11 October at 14:19	10 MW	2	N20
11 October at 13:57	4 MW	1	N
9 October at 14:55	96 MW	14	N20
9 October at 14:36	3 MW	1	N
9 October at 13:57	6 MW	2	N21
8 October at 15:14	55 MW	8	N20
8 October at 14:53	294 MW	33	N
8 October at 14:19	226 MW	43	N21
7 October at 15:14	7 MW	2	N
7 October at 14:36	3 MW	1	N21
7 October at 13:51	85 MW	9	N20
6 October at 14:12	246 MW	17	N20
6 October at 13:51	94 MW	12	N
6 October at 01:35	0 MW	1	N20
5 October at 15:14	75 MW	2	N21
5 October at 14:29	325 MW	30	N20
5 October at 14:10	455 MW	41	N
5 October at 13:34	324 MW	20	N21
5 October at 01:56	3 MW	3	N20
5 October at 01:35	3 MW	3	N
4 October at 16:23	183 MW	9	Aqua
4 October at 14:47	244 MW	33	N20
4 October at 14:29	281 MW	31	N
4 October at 13:51	225 MW	18	N21
4 October at 02:13	2 MW	3	N20
4 October at 01:54	1 MW	1	N
3 October at 15:08	173 MW	32	N20
3 October at 14:49	414 MW	58	N
3 October at 14:12	343 MW	43	N21
1 October at 15:25	81 MW	9	N
1 October at 14:51	348 MW	43	N21
1 October at 14:04	220 MW	33	N20
1 October at 13:47	48 MW	7	N
30 September at 15:08	108 MW	6	N21
30 September at 14:23	75 MW	21	N20
30 September at 14:04	47 MW	7	N
30 September at 13:28	6 MW	1	N21
30 September at 02:35	10 MW	2	N21
29 September at 16:29	390 MW	23	Aqua
29 September at 14:42	949 MW	121	N20
29 September at 14:21	1,066 MW	129	N
29 September at 13:47	581 MW	61	N21
28 September at 15:01	11 MW	2	N20
28 September at 02:07	1 MW	1	N
28 September at 01:29	1 MW	1	N21
27 September at 16:52	390 MW	27	Aqua
27 September at 15:21	101 MW	9	N20
27 September at 14:59	413 MW	30	N
27 September at 14:23	336 MW	44	N21
27 September at 13:40	51 MW	5	N20
26 September at 16:14	308 MW	7	Aqua
26 September at 15:21	311 MW	49	N
26 September at 14:42	480 MW	58	N21
26 September at 13:57	401 MW	44	N20
26 September at 13:38	271 MW	21	N
26 September at 02:43	1 MW	1	N
26 September at 02:07	9 MW	3	N21
25 September at 17:14	199 MW	5	Aqua
25 September at 15:01	1,175 MW	115	N21
25 September at 14:19	1,234 MW	125	N20
25 September at 13:57	814 MW	105	N
24 September at 13:40	23 MW	4	N21
23 September at 14:54	111 MW	7	N20
23 September at 14:36	106 MW	18	N
23 September at 13:57	38 MW	5	N21

8 other fires near Bié (AO)

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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