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Cuilo fire, 8 July 2022 Cuilo

Out · last detection 12 Jul 2022, 11:46 UTC

The fire started on 8 July 2022 in Cuilo, Angola, and satellites saw it burning for 5 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 7,704 hectares from heat detections, spread across a single municipality.

It is the 144th largest in Lunda Norte since 2016 (of 411 with a page). Number 53 in Angola in 2022, of 143.

Burnt area
7,704ha
GWIS perimeter (Copernicus)
Duration
5days
8 Jul 2022 – 12 Jul 2022
Municipalities hit
1
municipalities
Started on
8 Jul
2022
Heat detections
284
in a single hotspot: 184 MW
Danger at start
45
Very high · FWI index
Energy released
3.4GW
sum of detected power

Where it burned

12 Jul 2022
HOTSPOTS BY DAY 8 Jul12 Jul

How it evolved, day by day

89101112

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

The weather it burned in

32°high
41km/h · peak gust
19%lowest humidity

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

This area had burned before

77% of the perimeter overlaps earlier fires recorded since 2016: 3,263 ha in 2016, 315 ha in 2017, 2,779 ha in 2018, 2,325 ha in 2019, 628 ha in 2020. Part of it burned more than once, so the yearly figures add up to more than the 5,961 ha that had burned before.

What happened to each town

  1. Cuilo where it started
    7,743 ha reached on 8 Jul
    0.8 %

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)
8 Jul 30.8 °C 22 % 40 km/h 0.0 mm Very high 45
9 Jul 31.8 °C 21 % 38 km/h 0.0 mm Very high 44
10 Jul 32.3 °C 19 % 32 km/h 0.0 mm Very high 41
11 Jul 31.2 °C 20 % 28 km/h 0.0 mm Very high 40
12 Jul 31.2 °C 20 % 41 km/h 0.0 mm Very high 46
13 Jul after 31.0 °C 21 % 41 km/h 0.0 mm Very high 46
14 Jul after 31.5 °C 19 % 40 km/h 0.0 mm Very high 46
15 Jul after 31.5 °C 19 % 44 km/h 0.0 mm Very high 48
16 Jul after 30.6 °C 26 % 43 km/h 0.0 mm Very high 44
17 Jul after 31.1 °C 24 % 45 km/h 0.0 mm Very high 46
18 Jul after 30.8 °C 22 % 35 km/h 0.0 mm Very high 45
19 Jul after 31.3 °C 21 % 31 km/h 0.0 mm Very high 39
20 Jul after 29.0 °C 32 % 24 km/h 0.0 mm High 34
21 Jul after 29.7 °C 34 % 30 km/h 0.0 mm High 34
22 Jul after 30.4 °C 29 % 38 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 · 1 Jul 2022
After · 19 Jul 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.

Detections table · 284Every 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 Angola ›

Frequently asked questions

How long did the Cuilo fire last?
GWIS (Copernicus) dates it between 8 July 2022 and 12 July 2022: 5 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 7,704 hectares (77.0 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Cuilo (7,743 ha, 0.8 %).
What was the weather like?
During the fire the temperature reached 32.3 °C, humidity dropped to 19 % and gusts hit 41 km/h. The fire danger index (FWI) reached 46, class Very high.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Angola (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.

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.

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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 (Public Domain). 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.