Fire near Bié (AO)

13.11°S, 16.95°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 15:31	10 MW	1	N
22 October at 14:53	71 MW	12	N21
22 October at 14:10	116 MW	32	N20
22 October at 13:51	23 MW	3	N
22 October at 12:04	54 MW	1	Met9
22 October at 11:49	56 MW	1	Met9
22 October at 02:22	1 MW	1	N21
21 October at 17:19	25 MW	1	Met10
21 October at 16:04	25 MW	1	Met10
21 October at 15:14	5 MW	1	N21
21 October at 14:34	46 MW	1	Met9
21 October at 14:29	205 MW	59	N20
21 October at 14:10	72 MW	16	N
21 October at 14:04	58 MW	1	Met9
21 October at 13:49	58 MW	1	Met10
21 October at 13:49	55 MW	1	Met9
21 October at 13:34	57 MW	1	Met10
21 October at 13:34	60 MW	1	Met9
21 October at 13:19	54 MW	1	Met9
21 October at 13:04	57 MW	1	Met9
21 October at 12:53	21 MW	2	Met12
21 October at 12:49	58 MW	1	Met9
21 October at 01:56	1 MW	2	N20
20 October at 15:03	47 MW	3	Met12
20 October at 14:46	99 MW	17	N20
20 October at 14:27	145 MW	28	N
20 October at 13:51	87 MW	12	N21
20 October at 11:04	45 MW	1	Met10
19 October at 15:08	108 MW	23	N20
19 October at 14:49	251 MW	55	N
19 October at 14:10	155 MW	26	N21
18 October at 15:06	14 MW	3	N
18 October at 14:29	68 MW	12	N21
17 October at 15:25	4 MW	1	N
17 October at 14:49	23 MW	5	N21
17 October at 14:04	104 MW	21	N20
17 October at 13:47	8 MW	2	N
16 October at 15:08	56 MW	8	N21
16 October at 14:23	209 MW	58	N20
16 October at 14:04	80 MW	16	N
16 October at 02:35	1 MW	2	N21
16 October at 01:50	3 MW	5	N20
15 October at 14:42	18 MW	6	N20
15 October at 14:21	24 MW	5	N
15 October at 13:47	4 MW	1	N21
14 October at 15:01	92 MW	15	N20
14 October at 14:42	145 MW	40	N
14 October at 14:04	117 MW	24	N21
13 October at 15:21	14 MW	2	N20
13 October at 14:59	35 MW	8	N
13 October at 14:23	29 MW	8	N21
11 October at 15:01	8 MW	2	N21
11 October at 14:19	52 MW	6	N20
11 October at 13:57	148 MW	8	N
10 October at 14:36	11 MW	6	N20
10 October at 14:17	4 MW	1	N
9 October at 14:55	3 MW	1	N20
9 October at 14:36	5 MW	2	N
8 October at 15:14	172 MW	27	N20
8 October at 14:53	540 MW	82	N
8 October at 14:19	639 MW	115	N21
7 October at 16:40	357 MW	26	Aqua
7 October at 15:12	194 MW	45	N
7 October at 14:36	331 MW	33	N21
7 October at 13:51	235 MW	48	N20
6 October at 14:55	17 MW	4	N21
6 October at 14:10	58 MW	16	N20
6 October at 13:51	5 MW	1	N
6 October at 02:58	0 MW	1	N
5 October at 16:59	54 MW	4	Aqua
5 October at 15:14	262 MW	23	N21
5 October at 14:29	518 MW	99	N20
5 October at 14:10	341 MW	50	N
5 October at 13:34	165 MW	14	N21
4 October at 16:22	100 MW	7	Aqua
4 October at 14:46	201 MW	39	N20
4 October at 14:27	208 MW	46	N
4 October at 13:51	234 MW	34	N21
3 October at 15:08	4 MW	1	N20
3 October at 14:49	8 MW	2	N
3 October at 09:26	7 MW	1	Terra
3 October at 02:13	1 MW	2	N
2 October at 16:44	10 MW	2	Aqua
2 October at 15:06	20 MW	3	N
2 October at 14:29	64 MW	18	N21
2 October at 13:47	4 MW	1	N20
1 October at 16:08	62 MW	2	Aqua
1 October at 15:25	127 MW	18	N
1 October at 14:49	425 MW	61	N21
1 October at 14:04	264 MW	43	N20
1 October at 13:45	67 MW	8	N
30 September at 15:08	344 MW	35	N21
30 September at 14:23	682 MW	158	N20
30 September at 14:04	332 MW	66	N
29 September at 16:29	170 MW	12	Aqua
29 September at 14:42	771 MW	119	N20
29 September at 14:21	705 MW	89	N
29 September at 13:47	374 MW	65	N21
29 September at 02:07	2 MW	3	N20
28 September at 14:59	845 MW	90	N20
28 September at 14:04	1,021 MW	109	N21
28 September at 09:29	5 MW	1	Terra
28 September at 02:28	2 MW	2	N20
28 September at 02:07	1 MW	1	N
28 September at 01:31	2 MW	2	N21
27 September at 16:52	212 MW	18	Aqua
27 September at 15:21	429 MW	31	N20
27 September at 14:59	240 MW	40	N
27 September at 14:23	314 MW	49	N21
27 September at 13:40	42 MW	5	N20
27 September at 02:26	2 MW	2	N
27 September at 01:50	1 MW	1	N21
26 September at 16:14	34 MW	2	Aqua
26 September at 15:21	160 MW	27	N
26 September at 14:42	310 MW	40	N21
26 September at 13:57	184 MW	39	N20
26 September at 03:05	1 MW	1	N20
26 September at 02:45	1 MW	1	N
26 September at 02:07	3 MW	4	N21
25 September at 21:21	7 MW	1	Terra
25 September at 17:14	117 MW	3	Aqua
25 September at 15:01	289 MW	37	N21
25 September at 14:17	312 MW	54	N20
25 September at 13:57	158 MW	27	N
24 September at 14:36	5 MW	2	N20
23 September at 14:53	149 MW	10	N20
23 September at 14:34	143 MW	22	N
23 September at 13:57	456 MW	31	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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