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Lábrea fire, 1 August 2024 Lábrea

Out · last detection 10 Aug 2024, 17:41 UTC

The fire started on 1 August 2024 in Lábrea, Brazil, and satellites saw it burning for 9 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 7,699 hectares from heat detections, spread across a single municipality.

It is the 80th largest in Amazonas since 2016 (of 450 with a page). Number 424 in Brazil in 2024, of 1301.

Burnt area
7,699ha
GWIS perimeter (Copernicus)
Duration
9days
1 Aug 2024 – 9 Aug 2024
Municipalities hit
1
municipalities
Started on
1 Aug
2024
Heat detections
480
in a single hotspot: 292 MW
Danger at start
31
High · FWI index
Energy released
6.1GW
sum of detected power

Where it burned

10 Aug 2024
HOTSPOTS BY DAY 1 Aug9 Aug

How it evolved, day by day

1234568910

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
40km/h · peak gust
21%lowest humidity

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

This area had burned before

100% of the perimeter overlaps earlier fires recorded since 2016: 4,806 ha in 2016, 2,470 ha in 2017, 5,277 ha in 2018, 4,909 ha in 2019, 3,527 ha in 2020, 4,534 ha in 2021, 5,312 ha in 2022, 258 ha in 2023. Part of it burned more than once, so the yearly figures add up to more than the 7,727 ha that had burned before.

What happened to each town

  1. Lábrea 45,448 inhabitants where it started
    7,767 ha reached on 1 Aug
    0.1 %

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)
1 Aug 34.8 °C 38 % 20 km/h 0.0 mm High 31
2 Aug 35.3 °C 40 % 31 km/h 0.0 mm High 31
3 Aug 34.6 °C 45 % 29 km/h 0.1 mm High 28
4 Aug 35.0 °C 39 % 28 km/h 2.1 mm Moderate 15
5 Aug 35.6 °C 34 % 27 km/h 0.0 mm High 25
6 Aug 33.7 °C 41 % 24 km/h 0.0 mm High 26
7 Aug 33.2 °C 46 % 31 km/h 0.0 mm High 26
8 Aug 36.2 °C 33 % 26 km/h 0.0 mm High 29
9 Aug 28.8 °C 57 % 39 km/h 0.0 mm High 25
10 Aug after 28.0 °C 37 % 40 km/h 0.0 mm High 29
11 Aug after 30.8 °C 34 % 23 km/h 0.0 mm High 28
12 Aug after 33.9 °C 29 % 32 km/h 0.0 mm High 34
13 Aug after 33.9 °C 21 % 33 km/h 0.0 mm Very high 40
14 Aug after 34.7 °C 24 % 22 km/h 0.0 mm High 37
15 Aug after 36.4 °C 25 % 20 km/h 0.0 mm High 36
16 Aug after 37.6 °C 28 % 19 km/h 0.0 mm High 37
17 Aug after 34.9 °C 38 % 23 km/h 0.0 mm High 32
18 Aug after 36.9 °C 32 % 22 km/h 0.2 mm High 30
19 Aug after 37.1 °C 29 % 24 km/h 0.0 mm High 32
20 Aug after 37.9 °C 30 % 31 km/h 0.0 mm High 33
21 Aug after 36.6 °C 33 % 32 km/h 0.0 mm High 35
22 Aug after 36.9 °C 30 % 28 km/h 0.0 mm High 35
23 Aug after 38.2 °C 29 % 26 km/h 0.1 mm High 34
24 Aug after 39.0 °C 22 % 22 km/h 0.0 mm Very high 39
25 Aug after 30.6 °C 37 % 42 km/h 0.0 mm High 37

Before and after, from space

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

Before · 25 Jul 2024
After · 16 Aug 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 4 August 2024 the air beside the fire reached 363 µg/m³ of PM2.5. That day averaged 170: 11 times the WHO daily guideline (15).

PM2.5 peak363 µg/m³
Days over the guideline14 days
PM10518 µg/m³
Optical depth3.48
3031123456789101112
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 · 480Every 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 Lábrea fire last?
GWIS (Copernicus) dates it between 1 August 2024 and 9 August 2024: 9 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 7,699 hectares (77.0 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Lábrea (7,767 ha, 0.1 %).
What was the weather like?
During the fire the temperature reached 36.4 °C, humidity dropped to 21 % and gusts hit 40 km/h. The fire danger index (FWI) reached 40, 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.

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
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.

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.