Fire near Powys (GB)

52.28°N, 3.50°W · first detected on 12 August at 15:39

What the satellites measured

This fire was tracked from 12 August at 15:39 to 13 August at 21:32, through 149 satellite detections. The detected extent reaches 1,352 ha.

Detected extent: 1,352 ha
Cumulative power: 2,636 MW
Peak power: 195 MW
Detections: 149

“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
13 August at 21:38	12 MW	1	Met12
13 August at 21:32	17 MW	1	Terra
13 August at 21:28	12 MW	1	Met12
13 August at 21:18	15 MW	1	Met12
13 August at 21:08	14 MW	1	Met12
13 August at 20:18	46 MW	3	Met12
13 August at 20:08	21 MW	1	Met12
13 August at 19:58	32 MW	1	Met12
13 August at 19:41	94 MW	2	Met10
13 August at 19:38	31 MW	1	Met12
13 August at 19:28	52 MW	2	Met12
13 August at 19:18	68 MW	3	Met12
13 August at 19:08	79 MW	3	Met12
13 August at 18:58	117 MW	5	Met12
13 August at 18:48	79 MW	3	Met12
13 August at 18:38	27 MW	1	Met12
13 August at 18:28	23 MW	1	Met12
13 August at 18:18	68 MW	2	Met12
13 August at 18:09	71 MW	3	Met12
13 August at 17:59	158 MW	4	Met12
13 August at 17:49	81 MW	2	Met12
13 August at 17:39	134 MW	3	Met12
13 August at 17:29	141 MW	3	Met12
13 August at 17:26	98 MW	1	Met10
13 August at 17:19	138 MW	4	Met12
13 August at 17:09	192 MW	4	Met12
13 August at 16:59	147 MW	4	Met12
13 August at 16:49	198 MW	5	Met12
13 August at 16:39	104 MW	3	Met12
13 August at 16:29	136 MW	4	Met12
13 August at 16:29	228 MW	4	Aqua
13 August at 16:22	241 MW	8	N20
13 August at 16:19	149 MW	5	Met12
13 August at 16:09	116 MW	3	Met12
13 August at 16:01	304 MW	21	N
13 August at 15:59	69 MW	1	Met12
13 August at 15:49	46 MW	2	Met12
13 August at 15:39	143 MW	3	Met12
13 August at 15:29	157 MW	4	Met12
13 August at 15:25	277 MW	16	N21
13 August at 15:19	160 MW	3	Met12
13 August at 15:09	245 MW	5	Met12
13 August at 14:59	437 MW	5	Met12
13 August at 14:49	139 MW	2	Met12
13 August at 14:40	168 MW	5	N20
13 August at 14:39	163 MW	3	Met12
13 August at 14:29	165 MW	4	Met12
13 August at 14:21	136 MW	6	N
13 August at 14:19	218 MW	5	Met12
13 August at 14:09	289 MW	4	Met12
13 August at 13:59	227 MW	5	Met12
13 August at 13:49	210 MW	5	Met12
13 August at 13:47	46 MW	4	N21
13 August at 13:39	112 MW	3	Met12
13 August at 13:29	128 MW	4	Met12
13 August at 13:19	95 MW	2	Met12
13 August at 13:09	60 MW	2	Met12
13 August at 12:59	69 MW	2	Met12
13 August at 12:49	71 MW	2	Met12
13 August at 12:39	59 MW	2	Met12
13 August at 12:29	49 MW	2	Met12
13 August at 12:19	53 MW	2	Met12
13 August at 12:09	44 MW	2	Met12
13 August at 12:00	229 MW	6	Terra
13 August at 11:59	56 MW	2	Met12
13 August at 11:49	45 MW	2	Met12
13 August at 11:39	45 MW	2	Met12
13 August at 11:29	44 MW	2	Met12
13 August at 11:19	38 MW	2	Met12
13 August at 11:09	37 MW	2	Met12
13 August at 10:59	27 MW	2	Met12
13 August at 10:49	15 MW	1	Met12
13 August at 10:39	32 MW	2	Met12
13 August at 10:29	21 MW	1	Met12
13 August at 10:19	26 MW	2	Met12
13 August at 10:09	22 MW	2	Met12
13 August at 09:59	26 MW	2	Met12
13 August at 09:49	12 MW	1	Met12
13 August at 09:39	34 MW	2	Met12
13 August at 09:29	40 MW	2	Met12
13 August at 09:19	15 MW	1	Met12
13 August at 09:09	12 MW	1	Met12
13 August at 08:59	15 MW	1	Met12
13 August at 08:49	31 MW	2	Met12
13 August at 08:39	17 MW	1	Met12
13 August at 08:19	26 MW	2	Met12
13 August at 08:09	16 MW	1	Met12
13 August at 07:59	11 MW	1	Met12
13 August at 07:19	13 MW	1	Met12
13 August at 07:09	12 MW	1	Met12
13 August at 06:59	87 MW	3	Aqua
13 August at 06:59	14 MW	1	Met12
13 August at 06:49	24 MW	2	Met12
13 August at 06:39	28 MW	2	Met12
13 August at 06:28	14 MW	1	Met12
13 August at 06:12	90 MW	10	N
13 August at 06:08	11 MW	1	Met12
13 August at 05:48	13 MW	1	Met12
13 August at 05:38	32 MW	9	N21
13 August at 04:51	81 MW	16	N20
13 August at 04:48	12 MW	1	Met12
13 August at 04:38	23 MW	1	Met12
13 August at 04:34	75 MW	17	N
13 August at 04:18	15 MW	1	Met12
13 August at 04:08	14 MW	1	Met12
13 August at 03:58	33 MW	2	Met12
13 August at 03:58	77 MW	12	N21
13 August at 03:48	31 MW	2	Met12
13 August at 03:38	19 MW	1	Met12
13 August at 03:18	15 MW	1	Met12
13 August at 03:11	22 MW	5	N20
13 August at 03:08	17 MW	1	Met12
13 August at 02:38	12 MW	1	Met12
13 August at 02:28	31 MW	2	Met12
13 August at 02:18	44 MW	3	Met12
13 August at 02:08	56 MW	3	Met12
13 August at 01:58	52 MW	2	Met12
13 August at 01:48	32 MW	1	Met12
13 August at 01:28	24 MW	1	Met12
13 August at 01:18	15 MW	1	Met12
13 August at 01:08	81 MW	2	Met12
13 August at 00:58	88 MW	4	Met12
13 August at 00:56	101 MW	2	Met10
13 August at 00:48	115 MW	4	Met12
13 August at 00:41	130 MW	2	Met10
13 August at 00:38	40 MW	2	Met12
13 August at 00:28	52 MW	2	Met12
13 August at 00:26	165 MW	2	Met10
13 August at 00:18	28 MW	1	Met12
13 August at 00:11	134 MW	2	Met10
13 August at 00:08	109 MW	2	Met12
12 August at 23:58	111 MW	3	Met12
12 August at 23:56	137 MW	2	Met10
12 August at 23:48	122 MW	3	Met12
12 August at 23:41	133 MW	2	Met10
12 August at 23:38	95 MW	2	Met12
12 August at 23:28	64 MW	2	Met12
12 August at 23:26	135 MW	2	Met10
12 August at 23:18	65 MW	3	Met12
12 August at 23:11	119 MW	2	Met10
12 August at 23:08	71 MW	2	Met12
12 August at 22:58	57 MW	2	Met12
12 August at 22:56	150 MW	2	Met10
12 August at 22:48	104 MW	2	Met12
12 August at 22:41	172 MW	2	Met10
12 August at 22:38	62 MW	2	Met12
12 August at 22:32	333 MW	5	Terra
12 August at 22:28	107 MW	2	Met12
12 August at 22:26	269 MW	3	Met10
12 August at 22:18	237 MW	5	Met12
12 August at 22:11	352 MW	3	Met10
12 August at 22:08	42 MW	1	Met12
12 August at 21:58	195 MW	4	Met12
12 August at 21:56	247 MW	3	Met10
12 August at 21:48	204 MW	4	Met12
12 August at 21:41	292 MW	3	Met10
12 August at 21:38	241 MW	5	Met12
12 August at 21:28	234 MW	5	Met12
12 August at 21:26	334 MW	3	Met10
12 August at 21:18	161 MW	4	Met12
12 August at 21:11	354 MW	3	Met10
12 August at 21:08	222 MW	5	Met12
12 August at 20:58	295 MW	5	Met12
12 August at 20:56	401 MW	3	Met10
12 August at 20:48	321 MW	6	Met12
12 August at 20:41	408 MW	3	Met10
12 August at 20:38	283 MW	4	Met12
12 August at 20:28	350 MW	5	Met12
12 August at 20:26	458 MW	3	Met10
12 August at 20:18	271 MW	5	Met12
12 August at 20:11	372 MW	3	Met10
12 August at 20:08	270 MW	5	Met12
12 August at 19:58	280 MW	4	Met12
12 August at 19:56	471 MW	3	Met10
12 August at 19:48	32 MW	1	Met12
12 August at 19:41	465 MW	3	Met10
12 August at 19:38	389 MW	6	Met12
12 August at 19:26	607 MW	3	Met10
12 August at 19:18	375 MW	6	Met12
12 August at 19:11	156 MW	1	Met10
12 August at 19:08	362 MW	6	Met12
12 August at 18:58	98 MW	2	Met12
12 August at 18:56	740 MW	3	Met10
12 August at 18:48	32 MW	1	Met12
12 August at 18:41	768 MW	3	Met10
12 August at 18:38	748 MW	7	Met12
12 August at 18:28	26 MW	1	Met12
12 August at 18:26	631 MW	3	Met10
12 August at 18:18	613 MW	7	Met12
12 August at 18:11	866 MW	3	Met10
12 August at 18:09	824 MW	8	Met12
12 August at 17:59	699 MW	8	Met12
12 August at 17:56	766 MW	3	Met10
12 August at 17:49	831 MW	6	Met12
12 August at 17:41	698 MW	2	Met10
12 August at 17:39	182 MW	3	Met12
12 August at 17:29	628 MW	6	Met12
12 August at 17:26	301 MW	1	Met10
12 August at 17:19	1,129 MW	8	Met12
12 August at 17:09	1,058 MW	7	Met12
12 August at 16:59	1,119 MW	6	Met12
12 August at 16:49	28 MW	1	Met12
12 August at 16:09	61 MW	2	Met12
12 August at 15:59	167 MW	4	Met12
12 August at 15:49	551 MW	5	Met12
12 August at 15:46	195 MW	1	N21
12 August at 15:41	336 MW	1	Met10
12 August at 15:39	676 MW	6	Met12

One other fire near Powys (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.

8 to 14 August2,240 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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