Barkly fire, 20 April 2018 Barkly
The fire started on 20 April 2018 in Barkly, Australia, and satellites saw it burning for 14 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 9,652 hectares from heat detections, spread across a single municipality.
It is the 1526th largest in Northern Territory since 2016 (of 3496 with a page). Number 403 in Australia in 2018, of 923.
- Burnt area
- 9,652ha
- GWIS perimeter (Copernicus)
- Duration
- 14days
- 20 Apr 2018 – 3 May 2018
- Municipalities hit
- 1
- local government areas
- Started on
- 20 Apr
- 2018
- Heat detections
- 315
- in a single hotspot: 43 MW
- Danger at start
- 57
- Extreme · FWI index
- Energy released
- 1.8GW
- sum of detected power
Where it burned
How it evolved, day by day
Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.
The weather it burned in
It had gone 22 days without rain (1 mm or more) when it started.
This area had burned before
No earlier perimeters overlap this fire since 2016, when the satellite record begins.
What happened to each town
-
Barkly where it started9,641 ha reached on 20 Apr0.0 %
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) |
|---|---|---|---|---|---|
| 20 Apr | 35.9 °C | 18 % | 40 km/h | 0.0 mm | Extreme 57 |
| 21 Apr | 36.1 °C | 19 % | 41 km/h | 0.0 mm | Extreme 58 |
| 22 Apr | 35.7 °C | 19 % | 38 km/h | 0.0 mm | Extreme 59 |
| 23 Apr | 34.8 °C | 15 % | 36 km/h | 0.0 mm | Extreme 55 |
| 24 Apr | 33.8 °C | 12 % | 45 km/h | 0.0 mm | Extreme 62 |
| 25 Apr | 33.9 °C | 9 % | 36 km/h | 0.0 mm | Extreme 59 |
| 26 Apr | 34.2 °C | 8 % | 37 km/h | 0.0 mm | Extreme 60 |
| 27 Apr | 34.3 °C | 10 % | 46 km/h | 0.0 mm | Very extreme 71 |
| 28 Apr | 32.6 °C | 12 % | 48 km/h | 0.0 mm | Very extreme 71 |
| 29 Apr | 32.7 °C | 11 % | 42 km/h | 0.0 mm | Extreme 64 |
| 30 Apr | 33.2 °C | 17 % | 41 km/h | 0.0 mm | Extreme 62 |
| 1 May | 32.9 °C | 18 % | 30 km/h | 0.0 mm | Extreme 51 |
| 2 May | 33.0 °C | 21 % | 31 km/h | 0.0 mm | Very high 49 |
| 3 May | 33.9 °C | 18 % | 31 km/h | 0.0 mm | Extreme 50 |
| 4 May after | 33.6 °C | 19 % | 54 km/h | 0.0 mm | Very extreme 75 |
| 5 May after | 33.1 °C | 20 % | 52 km/h | 0.0 mm | Extreme 69 |
| 6 May after | 32.9 °C | 18 % | 49 km/h | 0.0 mm | Extreme 64 |
| 7 May after | 32.9 °C | 19 % | 43 km/h | 0.0 mm | Extreme 62 |
| 8 May after | 33.2 °C | 16 % | 46 km/h | 0.0 mm | Extreme 64 |
| 9 May after | 33.1 °C | 16 % | 44 km/h | 0.0 mm | Extreme 62 |
| 10 May after | 33.0 °C | 11 % | 46 km/h | 0.0 mm | Extreme 65 |
| 11 May after | 27.5 °C | 15 % | 57 km/h | 0.0 mm | Very extreme 76 |
| 12 May after | 25.3 °C | 11 % | 58 km/h | 0.0 mm | Very extreme 78 |
| 13 May after | 25.7 °C | 13 % | 55 km/h | 0.0 mm | Very extreme 74 |
| 14 May after | 27.4 °C | 11 % | 55 km/h | 0.0 mm | Very extreme 76 |
Before and after, from space
Drag the line to compare the same ground before the fire and after it.
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 · 315Every satellite heat detection, one by one, with time, satellite, power and coordinates.
| Date and time | Satellite | FRP (MW) | Lat | Lon |
|---|
Other fires nearby
- 34,429 haBarkly21 September 2023 · 18 days · 8 km away
- 40,762 haBarkly26 September 2023 · 14 days · 15 km away
- 16,317 haBarkly17 October 2025 · 8 days · 26 km away
- 79,327 haMount Isa19 October 2024 · 15 days · 30 km away
- 81,229 haMount Isa18 September 2023 · 22 days · 31 km away
- 29,963 haBarkly14 April 2026 · 4 days · 35 km away
Frequently asked questions
- How long did the Barkly fire last?
- GWIS (Copernicus) dates it between 20 April 2018 and 3 May 2018: 14 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 9,652 hectares (96.5 km²). It is an estimate: official national figures may differ.
- Which municipalities burned?
- The fire only entered Barkly (9,641 ha, 0.0 %).
- What was the weather like?
- During the fire the temperature reached 36.1 °C, humidity dropped to 8 % and gusts hit 54 km/h. The fire danger index (FWI) reached 75, class Very extreme.
- Where does this data come from?
- From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Australia (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.
Emergency number: 000
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.
Report an error
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 International (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.