Fire near Torfaen (GB)

51.76°N, 3.05°W · first detected on 8 August at 04:26

What the satellites measured

This fire was tracked from 8 August at 04:26 to 14 August at 22:12, that is 7 days, through 92 satellite detections. The detected extent reaches 842 ha.

Detected extent: 842 ha
Cumulative power: 872 MW
Peak power: 75 MW
Detections: 92

“Detected extent” is not “burned area”: it is the union of the ground footprints of the satellite pixels, and a 375 m pixel counts in full 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 satellite detection and are not an official assessment: only the local fire and civil protection authorities are authoritative.

Replay how the fire spread

The map is centred on this fire and loads only its detections. The timeline below covers the whole fire, from the first satellite pass to the last. “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. “12 h” stacks twelve hours , as the home map does, where stacking avoids an empty screen between two satellite passes. 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	Detections	Sensor
14 August at 22:12	6 MW	1	Terra
14 August at 17:07	7 MW	1	Aqua
14 August at 15:44	7 MW	1	N
14 August at 15:08	7 MW	1	N21
14 August at 14:21	27 MW	4	N20
14 August at 14:02	6 MW	1	N
14 August at 13:28	7 MW	1	N21
14 August at 06:00	25 MW	1	Aqua
14 August at 05:17	17 MW	4	N21
14 August at 04:58	12 MW	1	Met12
14 August at 04:48	12 MW	1	Met12
14 August at 04:34	35 MW	7	N20
14 August at 04:13	63 MW	12	N
14 August at 04:08	10 MW	1	Met12
14 August at 03:38	14 MW	1	Met12
14 August at 03:37	29 MW	3	N21
14 August at 02:58	13 MW	1	Met12
14 August at 02:28	18 MW	1	Met12
14 August at 02:08	21 MW	1	Met12
14 August at 01:58	16 MW	1	Met12
14 August at 00:58	10 MW	1	Met12
14 August at 00:48	15 MW	1	Met12
14 August at 00:28	17 MW	1	Met12
14 August at 00:18	15 MW	1	Met12
14 August at 00:08	31 MW	2	Met12
13 August at 23:58	32 MW	2	Met12
13 August at 23:48	30 MW	2	Met12
13 August at 23:38	30 MW	2	Met12
13 August at 23:28	35 MW	2	Met12
13 August at 23:10	159 MW	3	Terra
13 August at 23:08	50 MW	3	Met12
13 August at 22:48	19 MW	1	Met12
13 August at 22:38	12 MW	1	Met12
13 August at 22:08	15 MW	1	Met12
13 August at 21:48	21 MW	1	Met12
13 August at 21:38	19 MW	1	Met12
13 August at 21:32	104 MW	3	Terra
13 August at 21:28	30 MW	2	Met12
13 August at 21:18	31 MW	1	Met12
13 August at 21:08	39 MW	2	Met12
13 August at 20:58	25 MW	1	Met12
13 August at 20:38	90 MW	4	Met12
13 August at 20:28	52 MW	3	Met12
13 August at 20:18	73 MW	2	Met12
13 August at 20:08	68 MW	2	Met12
13 August at 19:58	87 MW	4	Met12
13 August at 19:48	71 MW	3	Met12
13 August at 19:18	115 MW	4	Met12
13 August at 19:11	41 MW	1	Met10
13 August at 19:08	165 MW	6	Met12
13 August at 18:58	87 MW	2	Met12
13 August at 18:48	48 MW	1	Met12
13 August at 18:38	129 MW	3	Met12
13 August at 18:28	126 MW	4	Met12
13 August at 18:18	196 MW	6	Met12
13 August at 18:11	42 MW	1	Met10
13 August at 18:09	154 MW	5	Met12
13 August at 17:59	108 MW	4	Met12
13 August at 17:49	43 MW	2	Met12
13 August at 16:22	16 MW	1	N20
13 August at 16:01	18 MW	3	N
13 August at 15:49	12 MW	1	Met12
13 August at 15:25	34 MW	3	N21
13 August at 15:19	13 MW	1	Met12
13 August at 15:09	12 MW	1	Met12
13 August at 14:49	13 MW	1	Met12
13 August at 14:40	29 MW	3	N20
13 August at 14:39	13 MW	1	Met12
13 August at 14:29	12 MW	1	Met12
13 August at 14:21	37 MW	5	N
13 August at 13:59	12 MW	1	Met12
13 August at 13:49	11 MW	1	Met12
13 August at 13:47	6 MW	1	N21
13 August at 13:29	11 MW	1	Met12
13 August at 13:19	13 MW	1	Met12
13 August at 13:09	18 MW	1	Met12
13 August at 12:59	29 MW	2	Met12
13 August at 12:49	24 MW	2	Met12
13 August at 12:39	28 MW	2	Met12
13 August at 12:29	32 MW	2	Met12
13 August at 12:19	27 MW	1	Met12
13 August at 12:09	33 MW	2	Met12
13 August at 12:00	37 MW	1	Terra
13 August at 11:59	15 MW	1	Met12
13 August at 11:49	39 MW	2	Met12
13 August at 11:39	52 MW	3	Met12
13 August at 11:29	35 MW	2	Met12
13 August at 11:19	40 MW	2	Met12
13 August at 11:09	21 MW	2	Met12
13 August at 10:59	23 MW	2	Met12
13 August at 10:19	12 MW	1	Met12
13 August at 09:59	10 MW	1	Met12
13 August at 06:59	13 MW	1	Aqua
13 August at 05:38	13 MW	3	N21
13 August at 04:51	14 MW	2	N20
13 August at 04:34	16 MW	3	N
13 August at 03:58	44 MW	6	N21
13 August at 03:11	5 MW	2	N20
13 August at 02:18	12 MW	1	Met12
12 August at 22:32	40 MW	4	Terra
12 August at 19:28	10 MW	1	Met12
12 August at 18:18	20 MW	1	Met12
12 August at 17:29	24 MW	1	Aqua
12 August at 15:46	6 MW	1	N21
11 August at 05:30	1 MW	1	N20
11 August at 05:10	1 MW	1	N
11 August at 04:34	1 MW	1	N21
11 August at 03:49	1 MW	1	N20
10 August at 04:09	1 MW	1	N20
9 August at 17:14	7 MW	1	Aqua
9 August at 15:36	5 MW	1	N
9 August at 15:01	4 MW	1	N21
8 August at 04:26	1 MW	1	N
29 July at 04:34	1 MW	1	N20
29 July at 03:37	1 MW	1	N21
28 July at 04:32	1 MW	1	N
28 July at 03:58	1 MW	1	N21
27 July at 15:44	11 MW	1	N21
27 July at 05:10	3 MW	2	N20
27 July at 04:51	4 MW	3	N
27 July at 03:30	2 MW	1	N20
27 July at 03:09	5 MW	2	N
26 July at 16:33	37 MW	2	Aqua
26 July at 16:03	17 MW	1	N21
26 July at 15:18	71 MW	5	N20
26 July at 14:57	30 MW	6	N
26 July at 14:23	60 MW	2	N21
26 July at 13:38	36 MW	2	N20
26 July at 11:47	34 MW	2	Terra
26 July at 07:01	63 MW	3	Aqua
25 July at 15:36	123 MW	8	N20
25 July at 15:18	23 MW	1	N
25 July at 13:38	12 MW	1	N
25 July at 04:09	9 MW	7	N20
25 July at 03:47	7 MW	3	N
25 July at 03:13	12 MW	6	N21
24 July at 05:49	2 MW	1	N
24 July at 05:10	13 MW	5	N21
24 July at 04:26	18 MW	11	N20
24 July at 04:09	13 MW	6	N
24 July at 03:32	14 MW	5	N21
23 July at 14:34	23 MW	3	N20
23 July at 14:14	15 MW	3	N
23 July at 13:40	17 MW	2	N21
23 July at 11:26	16 MW	2	Terra
23 July at 06:06	7 MW	3	N
23 July at 05:32	10 MW	4	N21
23 July at 04:45	18 MW	10	N20
23 July at 04:26	15 MW	9	N
23 July at 03:49	15 MW	8	N21
22 July at 21:57	15 MW	2	Terra
22 July at 17:16	32 MW	2	Aqua
22 July at 16:14	7 MW	1	N
22 July at 15:38	31 MW	3	N21
22 July at 14:51	38 MW	9	N20
22 July at 14:34	30 MW	3	N
22 July at 06:08	26 MW	2	Aqua
22 July at 05:49	26 MW	6	N21
22 July at 05:04	96 MW	17	N20
22 July at 04:45	72 MW	17	N
22 July at 04:11	136 MW	18	N21
22 July at 03:24	40 MW	7	N20
22 July at 03:05	29 MW	7	N
21 July at 22:57	263 MW	6	Terra
21 July at 15:57	109 MW	9	N21
21 July at 15:12	98 MW	10	N20
21 July at 14:53	47 MW	5	N
21 July at 14:17	114 MW	9	N21
21 July at 13:32	15 MW	2	N20
21 July at 11:47	46 MW	2	Terra
21 July at 05:21	55 MW	11	N20
21 July at 05:04	126 MW	16	N
21 July at 04:28	91 MW	12	N21
21 July at 03:41	73 MW	8	N20
21 July at 03:24	105 MW	14	N
20 July at 22:17	116 MW	4	Terra
20 July at 16:16	38 MW	2	N21
20 July at 15:29	11 MW	2	N20
20 July at 14:36	104 MW	3	N21
20 July at 13:49	12 MW	1	N20
20 July at 05:42	5 MW	1	N20
20 July at 05:21	19 MW	5	N
20 July at 04:47	57 MW	3	N21
20 July at 04:02	41 MW	4	N20
20 July at 03:41	22 MW	2	N
20 July at 03:05	14 MW	3	N21

One other fire near Torfaen (GB)

Separate fires, apart in time or in space, not pieces of this one. A single municipality can have several over one summer, and the forest of Fontainebleau alone covers 172 square kilometres.

20 to 29 July1,585 ha

Follow live

The map shows active fires in 3D, with smoke plumes, forecast wind, drop zones and the live position of the Canadair, Dash 8 and Air Tractor aircraft of the French Sécurité civile.

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