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Juara fire, 13 August 2019 Juara

Out · last detection 24 Aug 2019, 17:34 UTC

The fire started on 13 August 2019 in Juara, Brazil, and satellites saw it burning for 12 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 4,853 hectares from heat detections, spread across a single municipality.

It is the 1119th largest in Mato Grosso since 2016 (of 1996 with a page). Number 483 in Brazil in 2019, of 974.

Compare with…

Suggestions: Juara · 2016Juara · 2022Juara · 2024Juara · 2019

Burnt area
4,853ha
GWIS perimeter (Copernicus)
Duration
12days
13 Aug 2019 – 24 Aug 2019
Municipalities hit
1
municipalities
Started on
13 Aug
2019
Heat detections
185
in a single hotspot: 69 MW
Danger at start
40
Very high · FWI index
Average daily power
134MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 13 Aug24 Aug
24 Aug 2019

How it evolved, day by day

13 Aug 2019 · 7 MW · 1 14 Aug 2019 · 70 MW · 4 15 Aug 2019 · 214 MW · 15 16 Aug 2019 · 120 MW · 18 17 Aug 2019 · 28 MW · 13 18 Aug 2019 · 41 MW · 11 19 Aug 2019 · 272 MW · 27 20 Aug 2019 · 201 MW · 25 21 Aug 2019 · 89 MW · 10 22 Aug 2019 · 185 MW · 18 23 Aug 2019 · 335 MW · 28 24 Aug 2019 · 49 MW · 14
13 Aug 15 Aug 17 Aug 19 Aug 21 Aug 23 Aug

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
44km/h · peak gust
20%lowest humidity

It had gone 35 days without rain (1 mm or more) when it started.

This area had burned before

59% of the perimeter overlaps earlier fires recorded since 2016: 3,625 ha in 2016. Part of it burned more than once, so the yearly figures add up to more than the 2,858 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 3.1% of the area of London (49 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. Juara 34,906 inhabitants where it started
    4,875 ha reached on 10 Aug
    0.2 %

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)
10 Aug 33.7 °C 22 % 35 km/h 0.0 mm Very high 40
11 Aug 33.7 °C 21 % 39 km/h 0.0 mm Very high 44
12 Aug 34.3 °C 22 % 35 km/h 0.0 mm Very high 42
13 Aug 34.8 °C 21 % 31 km/h 0.0 mm Very high 39
14 Aug 30.9 °C 39 % 44 km/h 0.0 mm Very high 38
15 Aug 34.0 °C 24 % 35 km/h 0.0 mm Very high 39
16 Aug 33.8 °C 30 % 38 km/h 0.0 mm Very high 42
17 Aug 34.4 °C 26 % 41 km/h 0.0 mm Very high 42
18 Aug 33.6 °C 27 % 28 km/h 0.0 mm High 35
19 Aug 33.2 °C 27 % 22 km/h 0.0 mm High 35
20 Aug 33.7 °C 30 % 33 km/h 0.0 mm High 36
21 Aug 35.2 °C 26 % 36 km/h 0.0 mm Very high 39
22 Aug 35.8 °C 23 % 25 km/h 0.0 mm High 36
23 Aug 35.6 °C 23 % 29 km/h 0.0 mm High 37
24 Aug 33.8 °C 34 % 23 km/h 0.2 mm High 35
25 Aug after 31.7 °C 42 % 27 km/h 1.2 mm Moderate 20
26 Aug after 34.9 °C 27 % 35 km/h 0.0 mm High 33
27 Aug after 33.1 °C 28 % 27 km/h 0.0 mm High 34
28 Aug after 34.6 °C 25 % 29 km/h 0.0 mm High 36
29 Aug after 35.7 °C 20 % 34 km/h 0.0 mm Very high 41
30 Aug after 36.1 °C 20 % 30 km/h 0.0 mm Very high 38
31 Aug after 35.7 °C 23 % 27 km/h 0.0 mm Very high 40
1 Sept after 34.7 °C 22 % 23 km/h 0.0 mm Very high 39
2 Sept after 35.8 °C 26 % 22 km/h 0.0 mm High 38
3 Sept after 34.7 °C 29 % 26 km/h 0.1 mm High 37
4 Sept after 36.4 °C 25 % 28 km/h 0.0 mm Very high 39
5 Sept after 36.4 °C 23 % 23 km/h 0.0 mm Very high 38
6 Sept after 35.0 °C 31 % 22 km/h 0.0 mm High 36
7 Sept after 34.0 °C 33 % 44 km/h 0.0 mm High 36
8 Sept after 36.9 °C 19 % 40 km/h 0.0 mm Very high 46
9 Sept after 36.5 °C 23 % 34 km/h 0.0 mm Very high 46

Before and after, from space

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

Before · 6 Aug 2019
After · 31 Aug 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 · 185Every 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 Juara fire last?
GWIS (Copernicus) dates it between 13 August 2019 and 24 August 2019: 12 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 4,853 hectares (48.5 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Juara (4,875 ha, 0.2 %).
What was the weather like?
During the fire the temperature reached 36.1 °C, humidity dropped to 20 % and gusts hit 44 km/h. The fire danger index (FWI) reached 44, 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.

How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates from the perimeter: the VIIRS detections inside it did not change them. 185 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.

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.