Fire near Arkansas (US)
35.97°N, 91.02°W · first detected on 19 October at 20:07
What the satellites measured
This fire was tracked from 19 October at 20:07 to 22 October at 23:05, that is 3 days, through 134 satellite detections. The detected extent reaches 2,082 ha.
- Detected extent
- 2,082 ha
- Cumulative power
- 2,581 MW
- Peak power, one pixel
- 338 MW
- VIIRS and MODIS detections
- 134
- Estimated emissions
- 835 t of carbon
- Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 19 October 2026 to 21 October 2026. An order-of-magnitude estimate from GFAS (ECMWF, Copernicus CAMS): it also counts neighbouring fires in the same cell. Contains modified Copernicus Atmosphere Monitoring Service information (2026). Published data stop on 21 October 2026.
These four figures cover the polar orbits alone, the ones that measure an area. The pass table below also counts geostationary detections, more frequent but too coarse for geometry, and its power column sums a whole pass where the peak above is that of a single pixel.
“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 6 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 |
|---|---|---|---|
| 23 October at 01:01 | 54 MW | 2 | G19FRP |
| 23 October at 01:00 | 34 MW | 1 | G19 |
| 23 October at 00:51 | 112 MW | 3 | G19FRP |
| 23 October at 00:41 | 76 MW | 2 | G19FRP |
| 23 October at 00:32 | 103 MW | 2 | G18FRP |
| 23 October at 00:31 | 184 MW | 4 | G19FRP |
| 23 October at 00:22 | 138 MW | 2 | G18FRP |
| 23 October at 00:21 | 185 MW | 4 | G19FRP |
| 22 October at 23:52 | 157 MW | 2 | G18FRP |
| 22 October at 23:51 | 317 MW | 5 | G19FRP |
| 22 October at 23:42 | 173 MW | 1 | G18FRP |
| 22 October at 23:41 | 299 MW | 4 | G19FRP |
| 22 October at 23:40 | 211 MW | 1 | G18 |
| 22 October at 23:40 | 231 MW | 2 | G19 |
| 22 October at 23:32 | 411 MW | 3 | G18FRP |
| 22 October at 23:31 | 481 MW | 6 | G19FRP |
| 22 October at 23:30 | 295 MW | 1 | G18 |
| 22 October at 23:30 | 370 MW | 2 | G19 |
| 22 October at 23:22 | 73 MW | 1 | G18FRP |
| 22 October at 23:21 | 213 MW | 3 | G19FRP |
| 22 October at 23:20 | 178 MW | 1 | G19 |
| 22 October at 23:12 | 164 MW | 1 | G18FRP |
| 22 October at 23:11 | 228 MW | 3 | G19FRP |
| 22 October at 23:10 | 199 MW | 1 | G18 |
| 22 October at 23:04 | 872 MW | 6 | Aqua |
| 22 October at 23:02 | 213 MW | 2 | G18FRP |
| 22 October at 23:01 | 278 MW | 4 | G19FRP |
| 22 October at 23:00 | 165 MW | 1 | G18 |
| 22 October at 22:52 | 192 MW | 2 | G18FRP |
| 22 October at 22:51 | 189 MW | 3 | G19FRP |
| 22 October at 22:50 | 139 MW | 1 | G18 |
| 22 October at 22:10 | 54 MW | 1 | G19 |
| 22 October at 22:02 | 162 MW | 2 | G18FRP |
| 22 October at 22:01 | 408 MW | 7 | G19FRP |
| 22 October at 22:00 | 199 MW | 2 | G19 |
| 22 October at 22:00 | 211 MW | 2 | G18 |
| 22 October at 21:53 | 991 MW | 52 | N21 |
| 22 October at 21:51 | 205 MW | 4 | G19FRP |
| 22 October at 21:50 | 99 MW | 1 | G18 |
| 22 October at 21:42 | 132 MW | 1 | G18FRP |
| 22 October at 21:41 | 444 MW | 5 | G19FRP |
| 22 October at 21:40 | 360 MW | 3 | G19 |
| 22 October at 21:32 | 98 MW | 1 | G18FRP |
| 22 October at 21:31 | 418 MW | 7 | G19FRP |
| 22 October at 21:30 | 127 MW | 1 | G18 |
| 22 October at 21:30 | 290 MW | 3 | G19 |
| 22 October at 21:21 | 36 MW | 1 | G19FRP |
| 22 October at 21:11 | 115 MW | 1 | G19FRP |
| 22 October at 21:10 | 783 MW | 53 | N20 |
| 22 October at 21:10 | 174 MW | 1 | G18 |
| 22 October at 21:10 | 240 MW | 2 | G19 |
| 22 October at 21:02 | 295 MW | 2 | G18FRP |
| 22 October at 21:01 | 330 MW | 3 | G19FRP |
| 22 October at 21:00 | 513 MW | 4 | G19 |
| 22 October at 20:51 | 39 MW | 1 | G19FRP |
| 22 October at 20:51 | 275 MW | 28 | N |
| 22 October at 20:50 | 51 MW | 1 | G19 |
| 22 October at 20:42 | 62 MW | 1 | G18FRP |
| 22 October at 20:41 | 37 MW | 1 | G19FRP |
| 22 October at 20:40 | 53 MW | 1 | G19 |
| 22 October at 20:13 | 444 MW | 28 | N21 |
| 22 October at 20:01 | 94 MW | 2 | G19FRP |
| 22 October at 20:00 | 67 MW | 1 | G19 |
| 22 October at 18:42 | 91 MW | 1 | G18FRP |
| 22 October at 18:41 | 143 MW | 2 | G19FRP |
| 22 October at 18:40 | 90 MW | 1 | G19 |
| 22 October at 01:21 | 19 MW | 1 | G19FRP |
| 22 October at 01:12 | 149 MW | 1 | G18FRP |
| 22 October at 01:11 | 323 MW | 4 | G19FRP |
| 22 October at 01:10 | 179 MW | 1 | G18 |
| 22 October at 01:02 | 220 MW | 3 | G18FRP |
| 22 October at 01:01 | 301 MW | 4 | G19FRP |
| 22 October at 01:00 | 145 MW | 1 | G19 |
| 22 October at 01:00 | 179 MW | 1 | G18 |
| 22 October at 00:41 | 35 MW | 1 | G19FRP |
| 22 October at 00:40 | 43 MW | 1 | G19 |
| 21 October at 22:22 | 90 MW | 1 | G18FRP |
| 21 October at 22:21 | 59 MW | 1 | G19FRP |
| 21 October at 22:20 | 114 MW | 1 | G18 |
| 21 October at 22:10 | 120 MW | 1 | G18 |
| 21 October at 21:50 | 77 MW | 1 | G19 |
| 21 October at 21:29 | 181 MW | 12 | N20 |
| 21 October at 21:10 | 423 MW | 18 | N |
| 21 October at 20:33 | 135 MW | 2 | N21 |
| 21 October at 19:21 | 42 MW | 1 | G19FRP |
| 21 October at 19:20 | 54 MW | 1 | G19 |
| 21 October at 19:01 | 53 MW | 1 | G19FRP |
| 21 October at 19:00 | 67 MW | 1 | G19 |
| 21 October at 18:42 | 51 MW | 1 | G18FRP |
| 21 October at 18:41 | 66 MW | 1 | G19FRP |
| 21 October at 18:40 | 82 MW | 1 | G19 |
| 21 October at 18:32 | 121 MW | 1 | G18FRP |
| 21 October at 18:31 | 398 MW | 3 | G19FRP |
| 21 October at 18:30 | 406 MW | 2 | G19 |
| 21 October at 18:30 | 187 MW | 1 | G18 |
| 21 October at 18:21 | 294 MW | 4 | G19FRP |
| 21 October at 18:20 | 158 MW | 1 | G19 |
| 20 October at 23:27 | 17 MW | 2 | Aqua |
| 20 October at 22:30 | 67 MW | 1 | G19 |
| 20 October at 22:00 | 32 MW | 1 | G19 |
| 20 October at 21:47 | 111 MW | 13 | N20 |
| 20 October at 21:40 | 119 MW | 1 | G19 |
| 20 October at 21:28 | 161 MW | 12 | N |
| 20 October at 21:00 | 59 MW | 1 | G19 |
| 20 October at 20:51 | 138 MW | 16 | N21 |
| 20 October at 20:50 | 47 MW | 1 | G19 |
| 20 October at 20:20 | 64 MW | 1 | G19 |
| 20 October at 20:08 | 71 MW | 8 | N20 |
| 20 October at 19:00 | 51 MW | 1 | G19 |
| 20 October at 18:50 | 72 MW | 1 | G19 |
| 20 October at 18:40 | 133 MW | 2 | G19 |
| 20 October at 18:10 | 133 MW | 2 | G19 |
| 20 October at 18:00 | 50 MW | 1 | G19 |
| 20 October at 17:50 | 117 MW | 2 | G19 |
| 20 October at 17:40 | 60 MW | 1 | G19 |
| 20 October at 17:30 | 43 MW | 1 | G19 |
| 20 October at 17:01 | 17 MW | 3 | Terra |
| 19 October at 22:49 | 605 MW | 4 | Aqua |
| 19 October at 22:07 | 254 MW | 20 | N20 |
| 19 October at 21:48 | 44 MW | 9 | N |
| 19 October at 21:10 | 9 MW | 2 | N21 |
| 19 October at 20:26 | 44 MW | 8 | N20 |
| 19 October at 20:08 | 90 MW | 10 | N |
| 18 October at 22:06 | 65 MW | 6 | N |
| 18 October at 21:29 | 34 MW | 4 | N21 |
8 other fires near Arkansas (US)
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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