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Barra do Garças fire, 28 August 2020 Barra do Garças, Novo São Joaquim

Out · last detection 18 Sept 2020, 17:01 UTC

The fire started on 28 August 2020 in Barra do Garças, Brazil, and satellites saw it burning for 22 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 34,357 hectares from heat detections, spread across 2 municipalities.

It is the 84th largest in Mato Grosso since 2016 (of 1996 with a page). Number 38 in Brazil in 2020, of 957.

Compare with…
Burnt area
34,357ha
GWIS perimeter (Copernicus)
Duration
22days
28 Aug 2020 – 18 Sept 2020
Municipalities hit
2
municipalities
Started on
28 Aug
2020
Heat detections
1,524
in a single hotspot: 153 MW
Danger at start
60
Extreme · FWI index
Average daily power
707MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 28 Aug18 Sept
18 Sept 2020

How it evolved, day by day

28 Aug 2020 · 433 MW · 39 29 Aug 2020 · 859 MW · 66 30 Aug 2020 · 508 MW · 61 31 Aug 2020 · 294 MW · 45 1 Sept 2020 · 564 MW · 71 2 Sept 2020 · 551 MW · 85 3 Sept 2020 · 394 MW · 64 4 Sept 2020 · 1,411 MW · 108 5 Sept 2020 · 930 MW · 86 6 Sept 2020 · 360 MW · 74 7 Sept 2020 · 1,799 MW · 162 8 Sept 2020 · 1,018 MW · 69 9 Sept 2020 · 1,193 MW · 111 10 Sept 2020 · 1,547 MW · 162 11 Sept 2020 · 1,371 MW · 118 12 Sept 2020 · 1,476 MW · 106 13 Sept 2020 · 325 MW · 52 14 Sept 2020 · 390 MW · 28 15 Sept 2020 · 86 MW · 9 16 Sept 2020 · 4 MW · 2 17 Sept 2020 · 18 MW · 3 18 Sept 2020 · 19 MW · 3
28 Aug 1 Sept 5 Sept 7 Sept 9 Sept 13 Sept 17 Sept

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

The weather it burned in

38°high
46km/h · peak gust
4%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started. Rain came after the fire: 3.2 mm on 22 Sept.

This area had burned before

94% of the perimeter overlaps earlier fires recorded since 2016: 24,568 ha in 2016, 11,723 ha in 2017, 9,367 ha in 2018, 14,764 ha in 2019. Part of it burned more than once, so the yearly figures add up to more than the 32,145 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 22% of the area of London (344 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. Barra do Garças 69,210 inhabitants where it started
    34,535 ha reached on 28 Aug
    3.8 %
  2. Novo São Joaquim 6,919 inhabitants
    2 ha reached on 10 Sept
    0.0 %

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.

People and buildings inside the perimeter

GHSL 2020
Built-up area0.31 ha
Residents≈ 250

Inside the perimeter there were about 0.31 hectares of built-up land and about 250 residents (GHSL 2020, 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.

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)
28 Aug 35.9 °C 4 % 39 km/h 0.0 mm Extreme 60
29 Aug 36.1 °C 6 % 37 km/h 0.0 mm Extreme 59
30 Aug 37.0 °C 8 % 31 km/h 0.0 mm Extreme 56
31 Aug 37.4 °C 10 % 31 km/h 0.0 mm Extreme 57
1 Sept 36.6 °C 14 % 36 km/h 0.0 mm Extreme 57
2 Sept 35.4 °C 10 % 45 km/h 0.0 mm Extreme 61
3 Sept 35.5 °C 12 % 36 km/h 0.0 mm Extreme 57
4 Sept 35.4 °C 10 % 39 km/h 0.0 mm Extreme 59
5 Sept 35.7 °C 9 % 37 km/h 0.0 mm Extreme 58
6 Sept 36.8 °C 7 % 26 km/h 0.0 mm Extreme 51
7 Sept 37.3 °C 8 % 29 km/h 0.0 mm Extreme 53
8 Sept 37.9 °C 10 % 31 km/h 0.0 mm Extreme 54
9 Sept 37.3 °C 8 % 37 km/h 0.0 mm Extreme 59
10 Sept 37.9 °C 6 % 32 km/h 0.0 mm Extreme 56
11 Sept 36.9 °C 7 % 40 km/h 0.0 mm Extreme 63
12 Sept 37.3 °C 5 % 38 km/h 0.0 mm Extreme 61
13 Sept 36.1 °C 10 % 46 km/h 0.0 mm Extreme 67
14 Sept 36.2 °C 11 % 36 km/h 0.0 mm Extreme 59
15 Sept 36.1 °C 13 % 40 km/h 0.0 mm Extreme 56
16 Sept 36.4 °C 9 % 40 km/h 0.0 mm Extreme 61
17 Sept 37.5 °C 14 % 38 km/h 0.0 mm Extreme 58
18 Sept 38.0 °C 12 % 31 km/h 0.0 mm Extreme 53
19 Sept after 38.7 °C 15 % 31 km/h 0.0 mm Extreme 51
20 Sept after 35.8 °C 27 % 31 km/h 0.0 mm Very high 44
21 Sept after 35.4 °C 24 % 32 km/h 0.1 mm Very high 44
22 Sept after 28.6 °C 51 % 26 km/h 3.2 mm Low 8

Before and after, from space

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

Before · 21 Aug 2020
After · 25 Sept 2020

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 · 1,524Every 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 Brazil ›

Frequently asked questions

How long did the Barra do Garças fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 28 August 2020 to 18 September 2020 (22 days). The perimeter dates it from 28 August 2020 to 13 September 2020.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 34,357 hectares (343.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Barra do Garças (34,535 ha, 3.8 %); Novo São Joaquim (2 ha, 0.0 %).
What was the weather like?
During the fire the temperature reached 38.0 °C, humidity dropped to 4 % and gusts hit 46 km/h. The fire danger index (FWI) reached 67, 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 · Emergency number and official warnings ›

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. Last day with fire: 13 September 2020 → 18 September 2020.

RSS Changes to this page

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
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We will only use your email to reply about this report. Privacy. This is not an emergency service: if there is a fire now, call 193.

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 28 August 2020 to 13 September 2020. 1,524 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 2020, 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 (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.