Tesouro fire, September 2020 Poxoréu, Tesouro, Guiratinga
The fire started on 5 September 2020 in Tesouro, Brazil, and satellites saw it burning for 15 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 44,944 hectares from heat detections, spread across 3 municipalities.
It is the 57th largest in Mato Grosso since 2016 (of 1996 with a page). Number 28 in Brazil in 2020, of 957.
- Burnt area
- 44,944ha
- GWIS perimeter (Copernicus)
- Duration
- 15days
- 5 Sept 2020 – 19 Sept 2020
- Municipalities hit
- 3
- municipalities
- Started on
- 5 Sept
- 2020
- Heat detections
- 1,612
- in a single hotspot: 523 MW
- Danger at start
- 54
- Extreme · FWI index
- Energy released
- 25.0GW
- sum of detected power
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
46% of the perimeter overlaps earlier fires recorded since 2016: 3,900 ha in 2016, 17,574 ha in 2017, 182 ha in 2019.
What happened to each town
-
Poxoréu 23,283 inhabitants31,136 ha reached on 10 Sept4.5 %
-
14,112 ha reached on 5 Sept3.3 %
-
Guiratinga 10,966 inhabitants3 ha0.0 %
Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance is from the town centre 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) |
|---|---|---|---|---|---|
| 5 Sept | 34.8 °C | 18 % | 40 km/h | 0.0 mm | Extreme 54 |
| 6 Sept | 36.0 °C | 14 % | 31 km/h | 0.0 mm | Extreme 50 |
| 7 Sept | 36.3 °C | 14 % | 36 km/h | 0.0 mm | Extreme 52 |
| 8 Sept | 36.4 °C | 17 % | 28 km/h | 0.0 mm | Extreme 52 |
| 9 Sept | 36.9 °C | 17 % | 35 km/h | 0.0 mm | Extreme 52 |
| 10 Sept | 37.2 °C | 16 % | 35 km/h | 0.0 mm | Extreme 53 |
| 11 Sept | 36.4 °C | 15 % | 42 km/h | 0.0 mm | Extreme 57 |
| 12 Sept | 36.4 °C | 13 % | 42 km/h | 0.0 mm | Extreme 58 |
| 13 Sept | 36.0 °C | 16 % | 48 km/h | 0.0 mm | Extreme 62 |
| 14 Sept | 36.1 °C | 16 % | 35 km/h | 0.0 mm | Extreme 54 |
| 15 Sept | 35.7 °C | 17 % | 36 km/h | 0.0 mm | Extreme 53 |
| 16 Sept | 37.2 °C | 15 % | 41 km/h | 0.0 mm | Extreme 56 |
| 17 Sept | 36.2 °C | 17 % | 30 km/h | 0.0 mm | Extreme 51 |
| 18 Sept | 36.9 °C | 18 % | 34 km/h | 0.0 mm | Extreme 54 |
| 19 Sept | 38.0 °C | 17 % | 23 km/h | 0.0 mm | Very high 45 |
| 20 Sept after | 36.4 °C | 25 % | 28 km/h | 0.0 mm | Very high 47 |
| 21 Sept after | 35.0 °C | 31 % | 31 km/h | 0.7 mm | High 34 |
| 22 Sept after | 33.9 °C | 35 % | 27 km/h | 1.6 mm | High 23 |
| 23 Sept after | 31.7 °C | 43 % | 35 km/h | 0.0 mm | High 27 |
| 24 Sept after | 35.6 °C | 24 % | 35 km/h | 0.0 mm | Very high 40 |
| 25 Sept after | 37.0 °C | 19 % | 38 km/h | 0.0 mm | Very high 49 |
| 26 Sept after | 34.8 °C | 32 % | 44 km/h | 0.3 mm | Very high 41 |
| 27 Sept after | 37.1 °C | 20 % | 35 km/h | 0.0 mm | Very high 44 |
| 28 Sept after | 38.0 °C | 17 % | 30 km/h | 0.0 mm | Very high 46 |
| 29 Sept after | 39.0 °C | 14 % | 41 km/h | 0.0 mm | Extreme 55 |
| 30 Sept after | 39.6 °C | 12 % | 43 km/h | 0.0 mm | Extreme 59 |
| 1 Oct after | 38.2 °C | 17 % | 40 km/h | 0.0 mm | Extreme 56 |
| 2 Oct after | 37.8 °C | 18 % | 33 km/h | 0.0 mm | Extreme 52 |
| 3 Oct after | 39.7 °C | 12 % | 31 km/h | 0.0 mm | Extreme 53 |
| 4 Oct after | 40.3 °C | 13 % | 26 km/h | 0.0 mm | Extreme 50 |
| 5 Oct after | 40.2 °C | 13 % | 31 km/h | 0.0 mm | Extreme 56 |
| 6 Oct after | 39.2 °C | 15 % | 36 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 · 1,612Every satellite heat detection, one by one, with time, satellite, power and coordinates.
| Date and time | Satellite | FRP (MW) | Lat | Lon |
|---|
Other fires nearby
Frequently asked questions
- How long did the Tesouro fire last?
- GWIS (Copernicus) dates it between 5 September 2020 and 19 September 2020: 15 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 44,944 hectares (449.4 km²). It is an estimate: official national figures may differ.
- Which municipalities burned?
- The fire entered 3 municipalities: Poxoréu (31,136 ha, 4.5 %); Tesouro (14,112 ha, 3.3 %); Guiratinga (3 ha, 0.0 %).
- What was the weather like?
- During the fire the temperature reached 38.0 °C, humidity dropped to 13 % and gusts hit 48 km/h. The fire danger index (FWI) reached 62, class Extreme.
- Where does this data come from?
- From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Brazil (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.
Emergency number: 193
Satellite cross-check
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
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 (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). 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.