Fire near Pwani (TZ)

7.86°S, 38.61°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 17:04	11 MW	1	Met12
22 October at 16:54	32 MW	3	Met12
22 October at 16:44	11 MW	1	Met12
22 October at 16:34	13 MW	1	Met12
22 October at 16:14	11 MW	1	Met12
22 October at 13:15	7 MW	2	N21
22 October at 01:16	1 MW	1	N
21 October at 13:34	11 MW	2	N21
21 October at 12:49	17 MW	3	N20
21 October at 12:30	18 MW	3	N
20 October at 17:53	19 MW	1	Met12
20 October at 17:43	13 MW	1	Met12
20 October at 17:04	11 MW	1	Met12
20 October at 16:34	44 MW	3	Met12
20 October at 16:24	63 MW	3	Met12
20 October at 16:14	72 MW	4	Met12
20 October at 16:05	75 MW	2	Met9
20 October at 16:04	57 MW	3	Met12
20 October at 15:34	12 MW	1	Met12
20 October at 15:24	30 MW	2	Met12
20 October at 15:23	31 MW	2	Met12
20 October at 15:04	174 MW	14	Aqua
20 October at 14:35	33 MW	1	Met9
20 October at 14:34	13 MW	1	Met12
20 October at 14:33	22 MW	1	Met12
20 October at 14:24	50 MW	2	Met12
20 October at 14:23	15 MW	1	Met12
20 October at 14:05	27 MW	1	Met9
20 October at 14:04	15 MW	1	Met12
20 October at 13:54	10 MW	1	Met12
20 October at 13:53	16 MW	1	Met12
20 October at 13:34	11 MW	1	Met12
20 October at 13:08	762 MW	40	N20
20 October at 12:49	99 MW	14	N
20 October at 12:43	219 MW	3	Met12
20 October at 12:33	49 MW	1	Met12
20 October at 12:11	56 MW	7	N21
20 October at 11:04	37 MW	1	Met12
20 October at 08:34	14 MW	1	Met12
20 October at 00:31	1 MW	1	N20
19 October at 13:28	309 MW	27	N20
19 October at 13:08	232 MW	39	N
19 October at 12:32	155 MW	21	N21
19 October at 00:52	1 MW	1	N20
18 October at 15:25	100 MW	6	Aqua
18 October at 13:47	130 MW	14	N20
18 October at 13:25	718 MW	46	N
18 October at 12:49	466 MW	24	N21
18 October at 12:06	30 MW	3	N20
16 October at 13:28	264 MW	33	N21
16 October at 12:43	452 MW	36	N20
16 October at 12:24	72 MW	11	N
15 October at 15:10	31 MW	3	Aqua
15 October at 13:02	63 MW	11	N20
15 October at 12:41	6 MW	2	N
14 October at 13:21	293 MW	48	N20
14 October at 13:02	215 MW	36	N
14 October at 12:24	170 MW	17	N21
13 October at 15:31	37 MW	3	Aqua
13 October at 13:40	61 MW	10	N20
12 October at 14:53	180 MW	10	Aqua
12 October at 13:02	304 MW	39	N21
12 October at 00:27	1 MW	1	N21
11 October at 13:57	39 MW	6	N
11 October at 13:21	369 MW	32	N21
11 October at 12:38	183 MW	20	N20
11 October at 12:17	22 MW	4	N
10 October at 15:16	118 MW	9	Aqua
10 October at 13:40	67 MW	7	N21
10 October at 12:56	179 MW	35	N20
10 October at 12:36	86 MW	10	N
9 October at 13:13	202 MW	28	N20
9 October at 12:56	90 MW	14	N
9 October at 12:17	38 MW	7	N21
8 October at 20:02	17 MW	2	Terra
8 October at 13:34	91 MW	10	N20
8 October at 13:15	255 MW	37	N
8 October at 12:38	193 MW	17	N21
8 October at 00:59	1 MW	1	N20
8 October at 00:37	1 MW	1	N
7 October at 15:01	44 MW	5	Aqua
7 October at 13:32	31 MW	2	N
7 October at 12:56	35 MW	9	N21
7 October at 00:57	0 MW	1	N
6 October at 13:51	16 MW	3	N
6 October at 13:16	118 MW	16	N21
6 October at 12:30	46 MW	6	N20
6 October at 08:05	13 MW	1	Terra
5 October at 15:23	67 MW	5	Aqua
5 October at 13:34	33 MW	5	N21
5 October at 12:49	59 MW	5	N20
5 October at 12:30	30 MW	7	N
4 October at 13:08	141 MW	27	N20
4 October at 12:49	40 MW	8	N
4 October at 12:11	49 MW	6	N21
3 October at 13:28	376 MW	43	N20
3 October at 13:08	508 MW	75	N
3 October at 12:32	477 MW	47	N21
3 October at 07:46	14 MW	1	Terra
2 October at 15:06	220 MW	10	Aqua
2 October at 13:47	82 MW	6	N20
2 October at 13:25	176 MW	14	N
2 October at 12:49	130 MW	12	N21
2 October at 12:06	28 MW	2	N20
1 October at 14:29	142 MW	2	Aqua
1 October at 13:47	86 MW	13	N
1 October at 13:08	176 MW	14	N21
1 October at 12:24	40 MW	8	N20
1 October at 01:29	1 MW	1	N20
1 October at 01:07	1 MW	2	N
1 October at 00:31	1 MW	1	N21
30 September at 15:29	255 MW	11	Aqua
30 September at 14:04	32 MW	3	N
30 September at 13:28	559 MW	59	N21
30 September at 12:43	373 MW	41	N20
30 September at 12:24	79 MW	14	N
30 September at 00:50	1 MW	1	N21
29 September at 14:51	299 MW	10	Aqua
29 September at 13:47	50 MW	7	N21
29 September at 13:02	411 MW	59	N20
29 September at 12:41	192 MW	25	N
29 September at 12:06	76 MW	10	N21
28 September at 13:19	132 MW	20	N20
28 September at 12:24	33 MW	3	N21
28 September at 00:44	1 MW	1	N20
28 September at 00:26	3 MW	2	N
27 September at 15:14	66 MW	8	Aqua
27 September at 13:19	58 MW	9	N
27 September at 12:43	130 MW	7	N21
27 September at 00:44	3 MW	3	N
27 September at 00:08	3 MW	2	N21
26 September at 14:36	255 MW	3	Aqua
26 September at 13:40	96 MW	8	N
26 September at 13:02	157 MW	18	N21
26 September at 12:17	39 MW	5	N20
26 September at 01:01	1 MW	1	N
25 September at 13:21	76 MW	3	N21
25 September at 12:38	19 MW	3	N20
25 September at 12:17	4 MW	1	N
25 September at 00:44	1 MW	1	N21
24 September at 14:59	319 MW	14	Aqua
24 September at 13:40	30 MW	2	N21
24 September at 01:39	1 MW	1	N
23 September at 13:13	295 MW	26	N20
23 September at 12:56	115 MW	11	N
23 September at 12:17	19 MW	3	N21

8 other fires near Pwani (TZ)

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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