Nancova fire, 10 September 2016 Nancova, Mavinga
The fire started on 10 September 2016 in Nancova, Angola, and satellites saw it burning for 9 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 8,451 hectares from heat detections, spread across 2 municipalities.
It is the 261th largest in Cuando Cubango since 2016 (of 659 with a page). Number 38 in Angola in 2016, of 138.
Compare with…
- Burnt area
- 8,451ha
- GWIS perimeter (Copernicus)
- Duration
- 9days
- 10 Sept 2016 – 18 Sept 2016
- Municipalities hit
- 2
- municipalities
- Started on
- 10 Sept
- 2016
- Heat detections
- 232
- in a single hotspot: 152 MW
- Danger at start
- 62
- Extreme · FWI index
- Average daily power
- 378MW
- detected power per day, on average
Where it burned
How it evolved, day by day
Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.
The weather it burned in
It had gone more than two months without rain (1 mm or more) when it started.
This area had burned before
No earlier perimeters overlap this fire since 2016, when the satellite record begins.
How big is it?
London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).
Paris boundary: geoBoundaries · Institut national de l'information géographique et forestière (IGN-F) (Etalab Open License 2.0).
Madrid boundary: geoBoundaries · Open Data ESRI, IGN Central Registry of Cartography Area (CC BY 4.0).
Berlin boundary: geoBoundaries · Federal Agency for Cartography and Geodesy (dl-de/by-2-0).
This compares size, not location: both shapes are at the same scale, north up, centred on each other.
What happened to each town
-
Nancova where it started8,480 ha reached on 10 Sept0.8 %
-
13 ha reached on 10 Sept0.0 %
Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.
The weather day by day
ECMWF ERA5 reanalysis at the fire location, the standard reference for past weather, and the Canadian Fire Weather Index (the same system Copernicus uses), computed by WorldFires from that data. Days after the fire run until the first rain.
Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)
| Day | High | Min. humidity | Peak gust | Rain | Danger (FWI) |
|---|---|---|---|---|---|
| 10 Sept | 36.3 °C | 8 % | 44 km/h | 0.0 mm | Extreme 62 |
| 11 Sept | 35.3 °C | 10 % | 52 km/h | 0.0 mm | Very extreme 70 |
| 12 Sept | 35.1 °C | 11 % | 45 km/h | 0.0 mm | Extreme 64 |
| 13 Sept | 35.2 °C | 14 % | 36 km/h | 0.0 mm | Extreme 57 |
| 14 Sept | 35.7 °C | 11 % | 47 km/h | 0.0 mm | Extreme 65 |
| 15 Sept | 34.5 °C | 13 % | 35 km/h | 0.0 mm | Extreme 58 |
| 16 Sept | 34.6 °C | 11 % | 30 km/h | 0.0 mm | Extreme 58 |
| 17 Sept | 33.8 °C | 8 % | 36 km/h | 0.0 mm | Extreme 57 |
| 18 Sept | 32.1 °C | 9 % | 45 km/h | 0.0 mm | Extreme 65 |
| 19 Sept after | 32.7 °C | 14 % | 45 km/h | 0.0 mm | Extreme 62 |
| 20 Sept after | 34.5 °C | 13 % | 50 km/h | 0.0 mm | Extreme 66 |
| 21 Sept after | 34.2 °C | 14 % | 49 km/h | 0.0 mm | Extreme 66 |
| 22 Sept after | 34.9 °C | 11 % | 38 km/h | 0.0 mm | Extreme 57 |
| 23 Sept after | 35.2 °C | 11 % | 39 km/h | 0.0 mm | Extreme 58 |
| 24 Sept after | 35.8 °C | 10 % | 42 km/h | 0.0 mm | Extreme 60 |
| 25 Sept after | 35.6 °C | 12 % | 47 km/h | 0.0 mm | Extreme 66 |
| 26 Sept after | 35.7 °C | 9 % | 55 km/h | 0.0 mm | Very extreme 73 |
| 27 Sept after | 34.4 °C | 12 % | 44 km/h | 0.0 mm | Extreme 63 |
| 28 Sept after | 35.2 °C | 13 % | 34 km/h | 0.0 mm | Extreme 56 |
Before and after, from space
Drag the line to compare the same ground before the fire and after it.
If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.
Detections table · 232Every satellite heat detection, one by one, with time, satellite, power and coordinates.
| Date and time | Satellite | FRP (MW) | Lat | Lon |
|---|
Other fires nearby
- 72,306 haNancovaAugust 2025 · 20 days · 11 km away
- 15,742 haNancova26 August 2021 · 13 days · 11 km away
- 14,956 haNancova1 September 2018 · 9 days · 18 km away
- 13,018 haNancova23 August 2023 · 25 days · 20 km away
- 13,275 haMavinga29 August 2018 · 24 days · 32 km away
- 34,521 haMavinga30 August 2025 · 23 days · 33 km away
Frequently asked questions
- How long did the Nancova fire last?
- GWIS (Copernicus) dates it between 10 September 2016 and 18 September 2016: 9 days between the first and last heat detection of the perimeter.
- How much area did it burn?
- The perimeter GWIS (Copernicus) rebuilt from heat detections is 8,451 hectares (84.5 km²). It is an estimate: official national figures may differ.
- Which municipalities burned?
- The fire entered 2 municipalities: Nancova (8,480 ha, 0.8 %); Mavinga (13 ha, 0.0 %).
- What was the weather like?
- During the fire the temperature reached 36.3 °C, humidity dropped to 8 % and gusts hit 52 km/h. The fire danger index (FWI) reached 70, class Very extreme.
- Where does this data come from?
- From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Angola (geoBoundaries). It is not an official report.
Where to verify it
A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.
Satellite cross-check
History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
No changes since 24 October 2026.
Does something look wrong on this page?
This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.
Report an error
How we know this
- Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
- Dates from the perimeter: the VIIRS detections inside it did not change them. 232 Suomi-NPP VIIRS detections on those dates.
- We have not matched this page with any official record.
- Weather: Copernicus ERA5 reanalysis at the fire location, in cells of about 25 km.
Where this data comes from
The perimeter comes from the Copernicus Global Wildfire Information System (GWIS), which rebuilds it from MODIS and VIIRS heat detections and publishes it under CC BY 4.0. It is not measured on imagery as in Europe, so it is an estimate. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. Municipal boundaries come from geoBoundaries ADM2 (Public Domain). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ from each country’s official figure.