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Ribeirão Cascalheira fire, 13 September 2022 Ribeirão Cascalheira

Out · last detection 1 Oct 2022, 16:31 UTC

The fire started on 13 September 2022 in Ribeirão Cascalheira, Brazil, and satellites saw it burning for 19 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 24,355 hectares from heat detections, spread across a single municipality.

It is the 148th largest in Mato Grosso since 2016 (of 1996 with a page). Number 22 in Brazil in 2022, of 687.

Compare with…
Burnt area
24,355ha
GWIS perimeter (Copernicus)
Duration
19days
13 Sept 2022 – 1 Oct 2022
Municipalities hit
1
municipalities
Started on
13 Sept
2022
Heat detections
796
in a single hotspot: 175 MW
Danger at start
51
Extreme · FWI index
Average daily power
574MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 13 Sept1 Oct
1 Oct 2022

How it evolved, day by day

13 Sept 2022 · 5 MW · 1 14 Sept 2022 · 152 MW · 20 15 Sept 2022 · 985 MW · 77 16 Sept 2022 · 3,582 MW · 193 17 Sept 2022 · 755 MW · 153 18 Sept 2022 · 1,817 MW · 171 19 Sept 2022 · 930 MW · 72 20 Sept 2022 · 23 MW · 16 21 Sept 2022 · 31 MW · 7 22 Sept 2022 · 98 MW · 10 25 Sept 2022 · 4 MW · 1 27 Sept 2022 · 211 MW · 20 28 Sept 2022 · 97 MW · 18 29 Sept 2022 · 176 MW · 22 30 Sept 2022 · 296 MW · 13 1 Oct 2022 · 14 MW · 2
13 Sept 16 Sept 19 Sept 22 Sept 28 Sept 1 Oct

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
18%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started. Rain came after the fire: 10.3 mm on 7 Oct.

This area had burned before

91% of the perimeter overlaps earlier fires recorded since 2016: 15,337 ha in 2016, 13,213 ha in 2017, 8,007 ha in 2018, 6,229 ha in 2019, 7,071 ha in 2020, 8,533 ha in 2021. Part of it burned more than once, so the yearly figures add up to more than the 22,088 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 15% of the area of London (244 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. Ribeirão Cascalheira 10,089 inhabitants where it started
    24,535 ha reached on 13 Sept
    2.2 %

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 area0.19 ha
Residents≈ 60

Inside the perimeter there were about 0.19 hectares of built-up land and about 60 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)
13 Sept 38.0 °C 20 % 34 km/h 0.0 mm Extreme 51
14 Sept 38.1 °C 22 % 30 km/h 0.0 mm Very high 47
15 Sept 35.9 °C 28 % 38 km/h 0.0 mm Very high 48
16 Sept 37.4 °C 23 % 38 km/h 0.0 mm Very high 49
17 Sept 37.7 °C 24 % 28 km/h 0.0 mm Very high 44
18 Sept 34.1 °C 41 % 26 km/h 4.6 mm Low 10
19 Sept 33.2 °C 45 % 25 km/h 3.1 mm Low 8
20 Sept 35.0 °C 37 % 22 km/h 0.1 mm Moderate 19
21 Sept 35.8 °C 34 % 32 km/h 1.5 mm High 22
22 Sept 34.0 °C 44 % 26 km/h 5.0 mm Low 7
23 Sept 29.5 °C 59 % 26 km/h 4.3 mm Very low 3
24 Sept 33.2 °C 41 % 27 km/h 0.1 mm Moderate 12
25 Sept 33.4 °C 34 % 42 km/h 2.8 mm Moderate 12
26 Sept 34.9 °C 34 % 46 km/h 0.2 mm High 22
27 Sept 37.3 °C 21 % 38 km/h 0.0 mm High 31
28 Sept 37.0 °C 24 % 25 km/h 0.0 mm High 28
29 Sept 38.2 °C 18 % 32 km/h 0.0 mm High 35
30 Sept 37.9 °C 23 % 37 km/h 0.0 mm Very high 38
1 Oct 37.9 °C 23 % 33 km/h 0.0 mm Very high 39
2 Oct after 36.0 °C 28 % 22 km/h 0.0 mm High 31
3 Oct after 35.2 °C 35 % 28 km/h 0.1 mm High 31
4 Oct after 35.4 °C 30 % 20 km/h 0.7 mm High 26
5 Oct after 34.9 °C 32 % 25 km/h 0.0 mm High 26
6 Oct after 36.7 °C 34 % 27 km/h 0.8 mm High 25
7 Oct after 28.2 °C 58 % 45 km/h 10.3 mm Very low 4

Before and after, from space

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

Before · 6 Sept 2022
After · 8 Oct 2022

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 18 September 2022 the air beside the fire reached 209 µg/m³ of PM2.5. That day averaged 111: 7.4 times the WHO daily guideline (15).

PM2.5 peak209 µg/m³
Days over the guideline20 days
PM10299 µg/m³
Optical depth2.59
121314151617181920212223242526272829301234
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 · 796Every 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 Ribeirão Cascalheira fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 13 September 2022 to 1 October 2022 (19 days). The perimeter dates it from 14 September 2022 to 1 October 2022.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 24,355 hectares (243.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Ribeirão Cascalheira (24,535 ha, 2.2 %).
What was the weather like?
During the fire the temperature reached 38.2 °C, humidity dropped to 18 % and gusts hit 46 km/h. The fire danger index (FWI) reached 51, 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. Start date: 14 September 2022 → 13 September 2022.

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 14 September 2022 to 1 October 2022. 796 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.