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BJ · Benin · –

Tanguiéta fire, 18 November 2024 Tanguiéta

Out · last detection 2 Dec 2024, 13:45 UTC

The fire started on 18 November 2024 in Tanguiéta, Benin, and satellites saw it burning for 14 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 7,201 hectares from heat detections, spread across a single municipality.

It is the 36th largest in Atakora since 2016 (of 420 with a page). Number 7 in Benin in 2024, of 86.

Burnt area
7,201ha
GWIS perimeter (Copernicus)
Duration
14days
18 Nov 2024 – 1 Dec 2024
Municipalities hit
1
communes
Started on
18 Nov
2024
Heat detections
239
in a single hotspot: 92 MW
Danger at start
46
Very high · FWI index
Average daily power
139MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 18 Nov1 Dec
2 Dec 2024

How it evolved, day by day

18 Nov 2024 · 21 MW · 4 21 Nov 2024 · 35 MW · 1 22 Nov 2024 · 34 MW · 2 23 Nov 2024 · 83 MW · 10 24 Nov 2024 · 231 MW · 25 25 Nov 2024 · 106 MW · 15 26 Nov 2024 · 129 MW · 23 27 Nov 2024 · 24 MW · 16 28 Nov 2024 · 177 MW · 32 29 Nov 2024 · 737 MW · 62 30 Nov 2024 · 206 MW · 39 1 Dec 2024 · 10 MW · 9 2 Dec 2024 · 8 MW · 1
18 Nov 23 Nov 26 Nov 29 Nov 2 Dec

Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.

The weather it burned in

36°high
43km/h · peak gust
14%lowest humidity

It had gone 26 days without rain (1 mm or more) when it started.

This area had burned before

95% of the perimeter overlaps earlier fires recorded since 2016: 195 ha in 2016, 1,345 ha in 2017, 1 ha in 2018, 4,519 ha in 2019, 5,486 ha in 2020, 2,359 ha in 2021, 4,399 ha in 2022, 1,059 ha in 2023. Part of it burned more than once, so the yearly figures add up to more than the 6,808 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 4.5% of the area of London (72 km² against 1,583 km²).

London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).

This compares size, not location: both shapes are at the same scale, north up, centred on each other.

What happened to each town

  1. Tanguiéta where it started
    7,246 ha reached on 18 Nov
    1.3 %

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.

People and buildings inside the perimeter

GHSL 2025
Built-up area< 0.1 ha
Residents< 20

Inside the perimeter there was no noticeable built-up land and almost nobody lived there (GHSL 2025, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned. The GHSL 2025 epoch is a projection made from 2020 and earlier data.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

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)
18 Nov 34.8 °C 19 % 38 km/h 0.0 mm Very high 46
19 Nov 34.8 °C 20 % 36 km/h 0.0 mm Very high 44
20 Nov 35.4 °C 18 % 34 km/h 0.0 mm Very high 43
21 Nov 35.1 °C 17 % 36 km/h 0.0 mm Very high 44
22 Nov 35.1 °C 17 % 26 km/h 0.0 mm Very high 40
23 Nov 36.4 °C 17 % 31 km/h 0.0 mm Very high 43
24 Nov 36.2 °C 14 % 43 km/h 0.0 mm Extreme 52
25 Nov 36.2 °C 14 % 39 km/h 0.0 mm Very high 49
26 Nov 34.9 °C 16 % 37 km/h 0.0 mm Very high 50
27 Nov 33.8 °C 18 % 37 km/h 0.0 mm Very high 49
28 Nov 33.1 °C 19 % 37 km/h 0.0 mm Very high 48
29 Nov 32.7 °C 20 % 36 km/h 0.0 mm Very high 47
30 Nov 33.2 °C 20 % 32 km/h 0.0 mm Very high 44
1 Dec 33.9 °C 18 % 33 km/h 0.0 mm Very high 44
2 Dec after 35.2 °C 18 % 32 km/h 0.0 mm Very high 46
3 Dec after 35.3 °C 16 % 31 km/h 0.0 mm Very high 45
4 Dec after 34.0 °C 15 % 36 km/h 0.0 mm Very high 48
5 Dec after 34.4 °C 14 % 40 km/h 0.0 mm Extreme 51
6 Dec after 33.4 °C 15 % 32 km/h 0.0 mm Very high 45
7 Dec after 34.2 °C 16 % 37 km/h 0.0 mm Very high 49
8 Dec after 32.9 °C 18 % 36 km/h 0.0 mm Extreme 50
9 Dec after 34.5 °C 18 % 32 km/h 0.0 mm Very high 47
10 Dec after 36.1 °C 18 % 32 km/h 0.0 mm Very high 47
11 Dec after 37.2 °C 16 % 37 km/h 0.0 mm Extreme 52

Its twins: fires that started in the same weather

It started with an FWI of 45.5, a minimum humidity of 19% and 26 days without rain. Fires in the area that started in weather like this since 2016: 73.

FWI at the start 45.5
Minimum humidity 19 %
Days without rain 26
this fire chosen twins rest of the area
Almost identicalSimilar

Outlines of the closest twins

Tanguiéta fire, November 2016
1,014 ha 5 days FWI 46.5 Min. humidity 19 % 81 km away, in 2016

First rain (1 mm or more) after it ended: none in the following ten days.

What happened to them

5 days
median duration
1,541 ha
median area
100 %
went past 1,000 ha
1.0 mm
rain at the end (median; 1 of 73 had it)

It was 4.7 times larger than the median of its twins and lasted 14 days, against 5 days.

Only 1 of its 73 twins burned more. The weather on the first day does not explain everything: the wind in the following days, the fuel and the firefighting also count. In 72 of 73, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 1.0 mm.

This is a bank of analogues: it shows what usually happens, not what will happen. With fewer than 15 twins we give no figures. How we calculate it

How it ended

—first rain
—no rain in ten days
43km/h · max. gust

It was considered over on 1 Dec, and not even 1 mm fell in the following ten days: it went out without rain. Twins with rain when they ended: 1 of 73, with a median of 1.0 mm.

Weather on this page: Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

How a twin is chosen

  • Same area: fires that have already ended, less than 250 km from this one, since 2016.
  • Same start: we compare the FWI on the first day, the minimum humidity that day and the run of days without rain before it. The slider sets how much they may differ.
  • Only pages with final weather data (ERA5 reanalysis) calculated in the same way as this fire’s; agricultural and grass burns and pages with data under review are left out.
  • Fires burning at the same time as this one (a week before or after) are left out: they share the same spell of weather and do not count as a precedent.
  • They are sorted by similarity, and the outlines of the first five are drawn.

How we calculate it

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

Before · 11 Nov 2024
After · 8 Dec 2024

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 30 November 2024 the air beside the fire reached 80 µg/m³ of PM2.5. That day averaged 72: 4.8 times the WHO daily guideline (15).

PM2.5 peak80 µg/m³
Days over the guideline15 days
PM10302 µg/m³
Optical depth0.68
20 Nov23 Nov26 Nov29 Nov2 Dec
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 239Every satellite heat detection, one by one, with time, satellite, power and coordinates.
⬇ Download CSV Times in UTC. Each detection is a 375 m pixel: a large fire yields hundreds per pass.
Date and timeSatelliteFRP (MW)LatLon

Other fires nearby

All fires in Benin

Frequently asked questions

How long did the Tanguiéta fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 18 November 2024 to 1 December 2024 (14 days). The perimeter dates it from 23 November 2024 to 1 December 2024.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 7,201 hectares (72.0 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Tanguiéta (7,246 ha, 1.3 %).
What was the weather like?
During the fire the temperature reached 36.4 °C, humidity dropped to 14 % and gusts hit 43 km/h. The fire danger index (FWI) reached 52, class Extreme.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Benin (geoBoundaries). It is not an official report.
How did the fires that started in similar weather in this area end?
Fires less than 250 km away that started since 2016 with a similar FWI, humidity and dry spell: 73. Their median duration was 5 days and their median area 1,541 ha; 100 % went past 1,000 ha. Only 1 of its 73 twins burned more. The weather on the first day does not explain everything: the wind in the following days, the fuel and the firefighting also count. In 72 of 73, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 1.0 mm.

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 · 1 Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
  1. Start date: 22 November 2024 → 18 November 2024.

RSS Changes to this page With cross-checks and a citable version

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.

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How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 23 November 2024 to 1 December 2024. 239 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.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2025, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

How we build fire pages: methodology

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.