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Phoukhoune fire, 12 March 2020 Phoukhoune, Phookood

Out · last detection 30 Mar 2020, 05:46 UTC

The fire started on 12 March 2020 in Phoukhoune, Laos, and satellites saw it burning for 19 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 4,338 hectares from heat detections, spread across 2 municipalities.

It is the 69th largest in Luang Prabang since 2016 (of 295 with a page). Number 56 in Laos in 2020, of 188.

Compare with…
Burnt area
4,338ha
GWIS perimeter (Copernicus)
Duration
19days
12 Mar 2020 – 30 Mar 2020
Municipalities hit
2
districts
Started on
12 Mar
2020
Heat detections
204
in a single hotspot: 469 MW
Danger at start
19
Moderate · FWI index
Average daily power
529MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 12 Mar30 Mar
30 Mar 2020

How it evolved, day by day

12 Mar 2020 · 677 MW · 28 13 Mar 2020 · 20 MW · 3 14 Mar 2020 · 7 MW · 1 16 Mar 2020 · 309 MW · 7 17 Mar 2020 · 310 MW · 21 18 Mar 2020 · 2,016 MW · 55 19 Mar 2020 · 550 MW · 18 20 Mar 2020 · 178 MW · 6 21 Mar 2020 · 67 MW · 6 22 Mar 2020 · 2,627 MW · 26 23 Mar 2020 · 1,764 MW · 9 24 Mar 2020 · 3 MW · 1 26 Mar 2020 · 13 MW · 1 27 Mar 2020 · 10 MW · 3 28 Mar 2020 · 352 MW · 13 29 Mar 2020 · 78 MW · 5 30 Mar 2020 · 8 MW · 1
12 Mar 16 Mar 19 Mar 22 Mar 26 Mar 29 Mar

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

The weather it burned in

35°high
49km/h · peak gust
30%lowest humidity

It had gone 6 days without rain (1 mm or more) when it started. Rain came after the fire: 6.8 mm on 5 Apr.

This area had burned before

63% of the perimeter overlaps earlier fires recorded since 2016: 373 ha in 2016, 736 ha in 2017, 552 ha in 2018, 2,016 ha in 2019. Part of it burned more than once, so the yearly figures add up to more than the 2,748 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 2.7% of the area of London (43 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. Phoukhoune where it started
    3,746 ha reached on 12 Mar
    2.2 %
  2. 612 ha reached on 16 Mar
    0.2 %

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 2020
Built-up area0.15 ha
Residents≈ 30

Inside the perimeter there were about 0.15 hectares of built-up land and about 30 residents (GHSL 2020, 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)

Day High Min. humidity Peak gust Rain Danger (FWI)
12 Mar 31.3 °C 41 % 44 km/h 0.0 mm Moderate 19
13 Mar 34.0 °C 34 % 33 km/h 0.0 mm Moderate 18
14 Mar 33.5 °C 38 % 24 km/h 0.0 mm Moderate 18
15 Mar 28.1 °C 62 % 30 km/h 1.5 mm Low 5
16 Mar 29.6 °C 57 % 35 km/h 1.0 mm Low 6
17 Mar 31.7 °C 48 % 37 km/h 4.4 mm Very low 3
18 Mar 31.5 °C 52 % 47 km/h 1.3 mm Low 7
19 Mar 30.5 °C 50 % 40 km/h 1.7 mm Low 6
20 Mar 30.1 °C 53 % 38 km/h 1.0 mm Low 8
21 Mar 30.5 °C 43 % 46 km/h 0.0 mm Moderate 14
22 Mar 31.7 °C 38 % 40 km/h 0.0 mm Moderate 18
23 Mar 30.2 °C 42 % 34 km/h 4.8 mm Very low 3
24 Mar 29.8 °C 50 % 39 km/h 3.1 mm Very low 3
25 Mar 29.2 °C 55 % 49 km/h 1.1 mm Low 5
26 Mar 30.2 °C 43 % 45 km/h 0.0 mm Moderate 12
27 Mar 32.0 °C 39 % 44 km/h 0.0 mm Moderate 16
28 Mar 33.4 °C 32 % 42 km/h 0.0 mm Moderate 19
29 Mar 33.7 °C 37 % 45 km/h 0.0 mm Moderate 20
30 Mar 34.7 °C 30 % 42 km/h 0.0 mm High 22
31 Mar after 35.2 °C 30 % 41 km/h 0.0 mm High 22
1 Apr after 34.4 °C 37 % 44 km/h 0.0 mm High 24
2 Apr after 32.7 °C 40 % 43 km/h 0.4 mm High 23
3 Apr after 34.3 °C 35 % 37 km/h 0.4 mm High 23
4 Apr after 34.2 °C 41 % 35 km/h 0.1 mm High 24
5 Apr after 31.1 °C 50 % 40 km/h 6.8 mm Very low 3

Before and after, from space

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

Before · 5 Mar 2020
After · 6 Apr 2020

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 · 204Every 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 Laos ›

Frequently asked questions

How long did the Phoukhoune fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 12 March 2020 to 30 March 2020 (19 days). The perimeter dates it from 12 March 2020 to 23 March 2020.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 4,338 hectares (43.4 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Phoukhoune (3,746 ha, 2.2 %); Phookood (612 ha, 0.2 %).
What was the weather like?
During the fire the temperature reached 34.7 °C, humidity dropped to 30 % and gusts hit 49 km/h. The fire danger index (FWI) reached 22, class High.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Laos (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

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

RSS Changes to this page

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.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 12 March 2020 to 23 March 2020. 204 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 2020, 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 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.