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Luwingu fire, September 2021 Luwingu, Kasama

Out · last detection 14 Sept 2021, 10:49 UTC

The fire started on 4 September 2021 in Luwingu, Zambia, and satellites saw it burning for 10 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 5,978 hectares from heat detections, spread across 2 municipalities.

It is the 185th largest in Northern since 2016 (of 628 with a page). Number 63 in Zambia in 2021, of 213.

Burnt area
5,978ha
GWIS perimeter (Copernicus)
Duration
10days
4 Sept 2021 – 13 Sept 2021
Municipalities hit
2
districts
Started on
4 Sept
2021
Heat detections
264
in a single hotspot: 156 MW
Danger at start
47
Very high · FWI index
Energy released
3.0GW
sum of detected power

Where it burned

14 Sept 2021
HOTSPOTS BY DAY 4 Sept13 Sept

How it evolved, day by day

4567891011121314

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

The weather it burned in

31°high
54km/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

72% of the perimeter overlaps earlier fires recorded since 2016: 1,404 ha in 2016, 833 ha in 2017, 85 ha in 2018, 2,480 ha in 2019, 2,768 ha in 2020. Part of it burned more than once, so the yearly figures add up to more than the 4,284 ha that had burned before.

What happened to each town

  1. Luwingu where it started
    6,020 ha reached on 4 Sept
    1.2 %
  2. Kasama
    2 ha reached on 8 Sept
    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)
4 Sept 30.7 °C 21 % 37 km/h 0.0 mm Very high 47
5 Sept 30.2 °C 19 % 34 km/h 0.0 mm Very high 46
6 Sept 30.4 °C 21 % 31 km/h 0.0 mm Very high 44
7 Sept 31.2 °C 25 % 34 km/h 0.0 mm Very high 43
8 Sept 30.9 °C 27 % 36 km/h 0.0 mm Very high 45
9 Sept 30.8 °C 21 % 39 km/h 0.0 mm Very high 47
10 Sept 28.7 °C 25 % 54 km/h 0.0 mm Extreme 52
11 Sept 24.3 °C 37 % 53 km/h 0.0 mm Very high 42
12 Sept 29.3 °C 26 % 38 km/h 0.0 mm High 36
13 Sept 31.2 °C 29 % 36 km/h 0.0 mm High 36
14 Sept after 32.1 °C 25 % 34 km/h 0.0 mm Very high 39
15 Sept after 31.9 °C 24 % 31 km/h 0.0 mm Very high 38
16 Sept after 33.7 °C 22 % 27 km/h 0.0 mm High 38
17 Sept after 34.1 °C 22 % 24 km/h 0.0 mm Very high 40
18 Sept after 32.6 °C 23 % 46 km/h 0.0 mm Very high 49
19 Sept after 30.6 °C 26 % 41 km/h 0.0 mm Very high 46
20 Sept after 31.0 °C 23 % 26 km/h 0.0 mm Very high 41
21 Sept after 33.4 °C 20 % 36 km/h 0.0 mm Very high 46
22 Sept after 30.9 °C 21 % 46 km/h 0.0 mm Very high 49
23 Sept after 30.0 °C 27 % 47 km/h 0.0 mm Very high 48

Before and after, from space

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

Before · 28 Aug 2021
After · 20 Sept 2021

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 · 264Every 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 Zambia ›

Frequently asked questions

How long did the Luwingu fire last?
GWIS (Copernicus) dates it between 4 September 2021 and 13 September 2021: 10 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 5,978 hectares (59.8 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Luwingu (6,020 ha, 1.2 %); Kasama (2 ha, 0.0 %).
What was the weather like?
During the fire the temperature reached 31.2 °C, humidity dropped to 19 % and gusts hit 54 km/h. The fire danger index (FWI) reached 52, class Extreme.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Zambia (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 (Creative Commons Attribution 4.0 (CC BY 4.0)). 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.