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ZM · Zambia · –

Kawambwa fire, 23 August 2017 Kawambwa, Chipili

Out · last detection 25 Sept 2017, 12:17 UTC

The fire started on 23 August 2017 in Kawambwa, Zambia, and satellites saw it burning for 34 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 97,359 hectares from heat detections, spread across 2 municipalities.

It is the 10th largest in Luapula since 2016 (of 449 with a page). Number 2 in Zambia in 2017, of 230.

Burnt area
97,359ha
GWIS perimeter (Copernicus)
Duration
34days
23 Aug 2017 – 25 Sept 2017
Municipalities hit
2
districts
Started on
23 Aug
2017
Heat detections
5,352
in a single hotspot: 182 MW
Danger at start
38
Very high · FWI index
Average daily power
2.4GW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 23 Aug25 Sept
25 Sept 2017

How it evolved, day by day

23 Aug 2017 · 284 MW · 23 24 Aug 2017 · 291 MW · 39 25 Aug 2017 · 1,405 MW · 70 26 Aug 2017 · 688 MW · 77 27 Aug 2017 · 698 MW · 63 28 Aug 2017 · 1,430 MW · 80 29 Aug 2017 · 3,493 MW · 218 30 Aug 2017 · 3,962 MW · 152 31 Aug 2017 · 4,995 MW · 235 1 Sept 2017 · 4,105 MW · 233 2 Sept 2017 · 6,539 MW · 454 3 Sept 2017 · 6,070 MW · 430 4 Sept 2017 · 2,139 MW · 303 5 Sept 2017 · 2,180 MW · 208 6 Sept 2017 · 1,859 MW · 199 7 Sept 2017 · 2,334 MW · 154 8 Sept 2017 · 4,098 MW · 346 9 Sept 2017 · 814 MW · 61 10 Sept 2017 · 2,257 MW · 150 11 Sept 2017 · 3,511 MW · 249 12 Sept 2017 · 3,192 MW · 165 13 Sept 2017 · 2,452 MW · 177 14 Sept 2017 · 6,445 MW · 370 15 Sept 2017 · 3,553 MW · 211 16 Sept 2017 · 2,451 MW · 188 17 Sept 2017 · 3,002 MW · 135 18 Sept 2017 · 3,089 MW · 137 19 Sept 2017 · 6 MW · 6 20 Sept 2017 · 147 MW · 26 21 Sept 2017 · 1,007 MW · 63 22 Sept 2017 · 708 MW · 45 23 Sept 2017 · 930 MW · 62 24 Sept 2017 · 71 MW · 9 25 Sept 2017 · 229 MW · 14
23 Aug 2 Sept 13 Sept 20 Sept

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
50km/h · peak gust
13%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started. Rain came after the fire: 1.2 mm on 26 Sept.

This area had burned before

58% of the perimeter overlaps earlier fires recorded since 2016: 56,767 ha in 2016.

How big is it?

10 km
It burned the equivalent of 61% of the area of London (974 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. Kawambwa where it started
    94,257 ha
    12 %
  2. 5,071 ha
    1.2 %

Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.

People and buildings inside the perimeter

GHSL 2015
Built-up area83 ha
Residents≈ 8,400

Inside the perimeter there were about 83 hectares of built-up land and about 8,400 residents (GHSL 2015, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

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)

Started with 60 days without rain: 91 % of the area in Zambia

Day High Min. humidity Peak gust Rain Danger (FWI)
23 Aug 30.5 °C 21 % 32 km/h 0.0 mm High 38
24 Aug 31.0 °C 16 % 30 km/h 0.0 mm Very high 47
25 Aug 30.9 °C 14 % 38 km/h 0.0 mm Extreme 55
26 Aug 29.5 °C 19 % 45 km/h 0.0 mm Extreme 64
27 Aug 29.3 °C 23 % 44 km/h 0.0 mm Extreme 51
28 Aug 29.0 °C 17 % 46 km/h 0.0 mm Extreme 56
29 Aug 27.1 °C 23 % 48 km/h 0.0 mm Very high 48
30 Aug 29.4 °C 20 % 36 km/h 0.0 mm High 37
31 Aug 30.3 °C 17 % 37 km/h 0.0 mm Very high 47
1 Sept 30.3 °C 13 % 37 km/h 0.0 mm Extreme 52
2 Sept 29.4 °C 14 % 36 km/h 0.0 mm Extreme 54
3 Sept 29.1 °C 20 % 49 km/h 0.0 mm Extreme 54
4 Sept 28.7 °C 25 % 50 km/h 0.0 mm Extreme 51
5 Sept 28.9 °C 27 % 41 km/h 0.0 mm Very high 44
6 Sept 29.9 °C 26 % 33 km/h 0.0 mm Very high 41
7 Sept 30.6 °C 18 % 34 km/h 0.0 mm Very high 45
8 Sept 29.8 °C 19 % 38 km/h 0.0 mm Very high 47
9 Sept 30.4 °C 21 % 37 km/h 0.0 mm Very high 42
10 Sept 29.5 °C 27 % 36 km/h 0.0 mm Very high 48
11 Sept 30.8 °C 19 % 38 km/h 0.0 mm Extreme 51
12 Sept 30.9 °C 19 % 39 km/h 0.0 mm Very high 50
13 Sept 30.4 °C 19 % 41 km/h 0.0 mm Very high 46
14 Sept 31.0 °C 19 % 34 km/h 0.0 mm Very high 46
15 Sept 31.7 °C 17 % 30 km/h 0.0 mm Very high 41
16 Sept 31.5 °C 17 % 32 km/h 0.0 mm Very high 48
17 Sept 32.4 °C 19 % 29 km/h 0.0 mm Very high 49
18 Sept 32.5 °C 16 % 31 km/h 0.0 mm Very high 48
19 Sept 32.2 °C 20 % 29 km/h 0.0 mm Very high 48
20 Sept 30.6 °C 26 % 40 km/h 0.0 mm Extreme 50
21 Sept 31.6 °C 20 % 45 km/h 0.0 mm Extreme 55
22 Sept 30.9 °C 18 % 43 km/h 0.0 mm Extreme 51
23 Sept 31.0 °C 21 % 44 km/h 0.0 mm Very high 49
24 Sept 31.0 °C 18 % 49 km/h 0.0 mm Extreme 56
25 Sept 31.8 °C 18 % 43 km/h 0.0 mm Very high 46
26 Sept after 30.1 °C 26 % 36 km/h 1.2 mm Very high 41

Its twins: fires that started in the same weather

It started with an FWI of 38.0, a minimum humidity of 21% and more than two months without rain. Fires in the area that started in weather like this since 2016: 47.

FWI at the start 38.0
Minimum humidity 21 %
Days without rain 60+
this fire chosen twins rest of the area
Almost identicalSimilar

Outlines of the closest twins

Mporokoso fire, August 2023
15,142 ha 25 days FWI 37.8 Min. humidity 21 % 52 km away, in 2023

First rain (1 mm or more) after it ended: none in the following ten days.

What happened to them

17 days
median duration
5,479 ha
median area
30 %
went past 10,000 ha
3.1 mm
rain at the end (median; 5 of 47 had it)

It was 17.8 times larger than the median of its twins and lasted 34 days, against 17 days.

None of its 47 twins burned more. The weather on the first day does not explain everything: the wind in the following days, the fuel and the firefighting also count. In 42 of 47, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 3.1 mm.

This is a bank of analogues: it shows what usually happens, not what will happen. With fewer than 15 twins we give no figures. How we calculate it

How it ended

1.2 mmfirst rain
26 Septthe day after it ended
50km/h · max. gust

It was considered over on 25 Sept, and on 26 Sept 1.2 mm fell. We do not know whether the rain or the firefighters put it out. Twins with rain when they ended: 5 of 47, with a median of 3.1 mm.

Weather on this page: Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

How a twin is chosen

  • Same area: fires that have already ended, less than 250 km from this one, since 2016.
  • Same start: we compare the FWI on the first day, the minimum humidity that day and the run of days without rain before it. The slider sets how much they may differ.
  • Only pages with final weather data (ERA5 reanalysis) calculated in the same way as this fire’s; agricultural and grass burns and pages with data under review are left out.
  • Fires burning at the same time as this one (a week before or after) are left out: they share the same spell of weather and do not count as a precedent.
  • They are sorted by similarity, and the outlines of the first five are drawn.

How we calculate it

Before and after, from space

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

Before · 16 Aug 2017
After · 2 Oct 2017

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 · 5,352Every 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 Kawambwa fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 23 August 2017 to 25 September 2017 (34 days). The perimeter dates it from 29 August 2017 to 23 September 2017.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 97,359 hectares (973.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Kawambwa (94,257 ha, 12 %); Chipili (5,071 ha, 1.2 %).
What was the weather like?
During the fire the temperature reached 32.5 °C, humidity dropped to 13 % and gusts hit 50 km/h. The fire danger index (FWI) reached 64, 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.
How did the fires that started in similar weather in this area end?
Fires less than 250 km away that started since 2016 with a similar FWI, humidity and dry spell: 47. Their median duration was 17 days and their median area 5,479 ha; 30 % went past 10,000 ha. None of its 47 twins burned more. The weather on the first day does not explain everything: the wind in the following days, the fuel and the firefighting also count. In 42 of 47, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 3.1 mm.

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

History of this page · 2 Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
  1. Last day with fire: 23 September 2017 → 25 September 2017.
  2. Start date: 29 August 2017 → 23 August 2017.

RSS Changes to this page With cross-checks and a citable version

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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How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery; 9 polygons grouped in this page.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 29 August 2017 to 23 September 2017. 5,352 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.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2015, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

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 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.