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Nova Mamoré fire, 18 August 2022 Nova Mamoré

Out · last detection 6 Sept 2022, 17:41 UTC

The fire started on 18 August 2022 in Nova Mamoré, Brazil, and satellites saw it burning for 19 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 13,807 hectares from heat detections, spread across a single municipality.

It is the 26th largest in Rondônia since 2016 (of 300 with a page). Number 61 in Brazil in 2022, of 687.

Burnt area
13,807ha
GWIS perimeter (Copernicus)
Duration
19days
18 Aug 2022 – 5 Sept 2022
Municipalities hit
1
municipalities
Started on
18 Aug
2022
Heat detections
958
in a single hotspot: 552 MW
Danger at start
14
Moderate · FWI index
Energy released
17.8GW
sum of detected power

Where it burned

6 Sept 2022
HOTSPOTS BY DAY 18 Aug5 Sept

How it evolved, day by day

1821222324252627283031123456

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

The weather it burned in

37°high
60km/h · peak gust
23%lowest humidity

It had gone one day without rain (1 mm or more) when it started. Rain came after the fire: 7.4 mm on 11 Sept.

This area had burned before

63% of the perimeter overlaps earlier fires recorded since 2016: 1,233 ha in 2016, 2,484 ha in 2017, 970 ha in 2018, 5,450 ha in 2019, 3,158 ha in 2020, 7,634 ha in 2021. Part of it burned more than once, so the yearly figures add up to more than the 8,754 ha that had burned before.

What happened to each town

  1. Nova Mamoré 25,444 inhabitants where it started
    13,894 ha reached on 11 Aug
    1.4 %

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)
11 Aug 30.6 °C 37 % 27 km/h 0.0 mm Moderate 14
12 Aug 33.1 °C 41 % 19 km/h 0.0 mm Moderate 14
13 Aug 34.7 °C 35 % 23 km/h 0.0 mm Moderate 17
14 Aug 35.4 °C 38 % 18 km/h 0.1 mm Moderate 18
15 Aug 33.8 °C 50 % 37 km/h 0.3 mm Moderate 19
16 Aug 33.7 °C 46 % 42 km/h 0.2 mm Moderate 19
17 Aug 34.9 °C 43 % 45 km/h 0.6 mm Moderate 20
18 Aug 35.8 °C 39 % 31 km/h 5.1 mm Low 7
19 Aug 24.0 °C 45 % 60 km/h 9.8 mm Very low 2
20 Aug 27.1 °C 33 % 39 km/h 0.0 mm Low 9
21 Aug 30.8 °C 32 % 30 km/h 0.0 mm Moderate 15
22 Aug 34.4 °C 31 % 32 km/h 0.0 mm Moderate 20
23 Aug 35.4 °C 28 % 32 km/h 0.0 mm High 22
24 Aug 36.8 °C 23 % 24 km/h 0.0 mm High 24
25 Aug 35.8 °C 29 % 19 km/h 0.0 mm High 25
26 Aug 34.0 °C 41 % 16 km/h 0.0 mm Moderate 20
27 Aug 35.2 °C 39 % 24 km/h 0.1 mm High 21
28 Aug 33.6 °C 55 % 24 km/h 4.5 mm Very low 3
29 Aug 31.0 °C 37 % 47 km/h 0.0 mm Moderate 16
30 Aug 33.9 °C 31 % 36 km/h 0.0 mm High 23
31 Aug 35.5 °C 30 % 20 km/h 0.0 mm High 23
1 Sept 36.1 °C 31 % 27 km/h 0.0 mm High 23
2 Sept 36.4 °C 31 % 15 km/h 0.0 mm High 22
3 Sept 34.8 °C 34 % 33 km/h 0.0 mm High 28
4 Sept 33.7 °C 33 % 42 km/h 0.0 mm High 30
5 Sept 34.9 °C 29 % 42 km/h 0.0 mm High 30
6 Sept after 36.7 °C 24 % 35 km/h 0.0 mm High 33
7 Sept after 36.7 °C 27 % 28 km/h 0.0 mm High 32
8 Sept after 36.6 °C 35 % 40 km/h 0.2 mm High 32
9 Sept after 36.6 °C 39 % 28 km/h 0.4 mm High 29
10 Sept after 35.0 °C 40 % 38 km/h 0.6 mm High 25
11 Sept after 28.9 °C 57 % 28 km/h 7.4 mm Very low 2

Before and after, from space

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

Before · 11 Aug 2022
After · 12 Sept 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 26 August 2022 the air beside the fire reached 1,062 µg/m³ of PM2.5. That day averaged 663: 44 times the WHO daily guideline (15).

PM2.5 peak1,062 µg/m³
Days over the guideline23 days
PM101,516 µg/m³
Optical depth4.16
1617181920212223242526272829303112345678
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 · 958Every 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 Nova Mamoré fire last?
GWIS (Copernicus) dates it between 18 August 2022 and 5 September 2022: 19 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 13,807 hectares (138.1 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Nova Mamoré (13,894 ha, 1.4 %).
What was the weather like?
During the fire the temperature reached 36.8 °C, humidity dropped to 23 % and gusts hit 60 km/h. The fire danger index (FWI) reached 33, class 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.