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Cuilo fire, 23 July 2024 Cuilo, Lucapa

Out · last detection 24 Jul 2024, 00:19 UTC

The fire started on 23 July 2024 in Cuilo, Angola, and satellites saw it burning for 6 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 12,831 hectares from heat detections, spread across 2 municipalities.

It is the 53th largest in Lunda Norte since 2016 (of 411 with a page). Number 17 in Angola in 2024, of 135.

Burnt area
12,831ha
GWIS perimeter (Copernicus)
Duration
6days
23 Jul 2024 – 28 Jul 2024
Municipalities hit
2
municipalities
Started on
23 Jul
2024
Heat detections
23
in a single hotspot: 84 MW
Danger at start
36
High · FWI index
Energy released
372MW
sum of detected power

Where it burned

24 Jul 2024
HOTSPOTS BY DAY 23 Jul28 Jul

How it evolved, day by day

2324

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
30km/h · peak gust
14%lowest humidity

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

This area had burned before

85% of the perimeter overlaps earlier fires recorded since 2016: 4,468 ha in 2016, 3,025 ha in 2017, 2,757 ha in 2018, 892 ha in 2019, 385 ha in 2020, 3,037 ha in 2021, 3,771 ha in 2022, 1,294 ha in 2023. Part of it burned more than once, so the yearly figures add up to more than the 10,889 ha that had burned before.

What happened to each town

  1. Cuilo where it started
    12,911 ha reached on 23 Jul
    1.3 %
  2. 26 ha
    0.0 %

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)
23 Jul 32.0 °C 26 % 28 km/h 0.0 mm High 36
24 Jul 32.1 °C 18 % 30 km/h 0.0 mm Very high 42
25 Jul 32.3 °C 14 % 30 km/h 0.0 mm Very high 45
26 Jul 32.3 °C 14 % 30 km/h 0.0 mm Very high 44
27 Jul 31.9 °C 17 % 29 km/h 0.0 mm Very high 44
28 Jul 31.5 °C 19 % 27 km/h 0.0 mm Very high 42
29 Jul after 30.0 °C 22 % 23 km/h 0.0 mm Very high 43
30 Jul after 30.3 °C 34 % 25 km/h 0.0 mm High 36
31 Jul after 31.6 °C 31 % 20 km/h 0.0 mm High 35
1 Aug after 31.5 °C 31 % 33 km/h 0.0 mm High 36
2 Aug after 30.1 °C 34 % 22 km/h 0.0 mm High 32
3 Aug after 31.4 °C 23 % 29 km/h 0.0 mm High 34
4 Aug after 32.4 °C 23 % 28 km/h 0.0 mm High 35
5 Aug after 31.2 °C 31 % 26 km/h 0.0 mm High 37
6 Aug after 31.8 °C 29 % 22 km/h 0.0 mm High 37
7 Aug after 32.4 °C 27 % 26 km/h 0.0 mm High 34

Before and after, from space

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

Before · 16 Jul 2024
After · 4 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 26 July 2024 the air beside the fire reached 73 µg/m³ of PM2.5. That day averaged 55: 3.7 times the WHO daily guideline (15).

PM2.5 peak73 µg/m³
Days over the guideline11 days
PM10105 µg/m³
Optical depth1.19
2122232425262728293031
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 · 23Every 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 23 July 2024 and 28 July 2024: 6 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 12,831 hectares (128.3 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Cuilo (12,911 ha, 1.3 %); Lucapa (26 ha, 0.0 %).
What was the weather like?
During the fire the temperature reached 32.3 °C, humidity dropped to 14 % and gusts hit 30 km/h. The fire danger index (FWI) reached 45, 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.