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BR · Brazil · –

Goiatins fire, 12 September 2019 Goiatins

Out · last detection 17 Sept 2019, 16:44 UTC

The fire started on 12 September 2019 in Goiatins, Brazil, and satellites saw it burning for 6 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 3,129 hectares from heat detections, spread across a single municipality.

It is the 981th largest in Tocantins since 2016 (of 1036 with a page). Number 914 in Brazil in 2019, of 973.

Burnt area
3,129ha
GWIS perimeter (Copernicus)
Duration
6days
12 Sept 2019 – 17 Sept 2019
Municipalities hit
1
municipalities
Started on
12 Sept
2019
Heat detections
80
in a single hotspot: 100 MW
Danger at start
46
Very high · FWI index
Average daily power
286MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 12 Sept17 Sept
17 Sept 2019

How it evolved, day by day

12 Sept 2019 · 212 MW · 14 13 Sept 2019 · 904 MW · 62 14 Sept 2019 · 14 MW · 2 17 Sept 2019 · 13 MW · 2
12 Sept 13 Sept 14 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
32km/h · peak gust
26%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started.

This area had burned before

81% of the perimeter overlaps earlier fires recorded since 2016: 2,541 ha in 2017.

How big is it?

10 km
It burned the equivalent of 2% of the area of London (31 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. Goiatins 12,433 inhabitants where it started
    3,151 ha reached on 12 Sept
    0.5 %

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 area0.11 ha
Residents< 20

Inside the perimeter there were about 0.11 hectares of built-up land and almost nobody lived there (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)

Started with 60 days without rain: 55 % of the area in Brazil

Day High Min. humidity Peak gust Rain Danger (FWI)
12 Sept 38.1 °C 27 % 28 km/h 0.0 mm Very high 46
13 Sept 38.4 °C 26 % 28 km/h 0.0 mm Very high 47
14 Sept 36.7 °C 39 % 32 km/h 0.1 mm Very high 43
15 Sept 36.2 °C 32 % 29 km/h 0.0 mm Very high 38
16 Sept 37.5 °C 31 % 32 km/h 0.0 mm Very high 45
17 Sept 38.4 °C 27 % 31 km/h 0.0 mm Very high 49
18 Sept after 39.0 °C 28 % 37 km/h 0.0 mm Very high 49
19 Sept after 39.2 °C 28 % 42 km/h 0.0 mm Extreme 53
20 Sept after 39.2 °C 28 % 31 km/h 0.0 mm Very high 44
21 Sept after 38.3 °C 29 % 38 km/h 0.0 mm Very high 49
22 Sept after 36.3 °C 38 % 27 km/h 0.0 mm Very high 45
23 Sept after 37.1 °C 37 % 24 km/h 0.0 mm Very high 38
24 Sept after 35.6 °C 32 % 30 km/h 0.0 mm Very high 40
25 Sept after 37.0 °C 32 % 30 km/h 0.1 mm Very high 40
26 Sept after 34.2 °C 44 % 31 km/h 0.0 mm High 36
27 Sept after 36.5 °C 36 % 25 km/h 0.0 mm High 33

Its twins: fires that started in the same weather

It started with an FWI of 45.6, a minimum humidity of 27% and more than two months without rain. Fires in the area that started in weather like this since 2016: 39.

FWI at the start 45.6
Minimum humidity 27 %
Days without rain 60+
this fire chosen twins rest of the area
Almost identicalSimilar

Outlines of the closest twins

Goiatins fire, August 2016
3,717 ha 15 days FWI 46.1 Min. humidity 28 % 44 km away, in 2016

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

What happened to them

11 days
median duration
3,757 ha
median area
15 %
went past 10,000 ha
3.6 mm
rain at the end (median; 12 of 39 had it)

It burned an area similar to its twins (3,129 ha against a median of 3,757 ha) and lasted 6 days, against 11 days.

In 27 of 39, 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 3.6 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
32km/h · max. gust

It was considered over on 17 Sept, and not even 1 mm fell in the following ten days: it went out without rain. Twins with rain when they ended: 12 of 39, with a median of 3.6 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 · 5 Sept 2019
After · 24 Sept 2019

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 · 80Every 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 Goiatins fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 12 September 2019 to 17 September 2019 (6 days). The perimeter dates it from 12 September 2019 to 14 September 2019.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 3,129 hectares (31.3 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Goiatins (3,151 ha, 0.5 %).
What was the weather like?
During the fire the temperature reached 38.4 °C, humidity dropped to 26 % and gusts hit 32 km/h. The fire danger index (FWI) reached 49, class Very high.
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.
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: 39. Their median duration was 11 days and their median area 3,757 ha; 15 % went past 10,000 ha. In 27 of 39, 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 3.6 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.

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: 14 September 2019 → 17 September 2019.

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.

Report an error
What do you think is wrong?

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 12 September 2019 to 14 September 2019. 80 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.