Skip to content
worldfires
AU · Australia · –

Unincorporated NT fire, 1 October 2019 Unincorporated NT, Victoria Daly

Out · last detection 4 Oct 2019, 04:33 UTC

The fire started on 1 October 2019 in Unincorporated NT, Australia, and satellites saw it burning for 4 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 5,317 hectares from heat detections, spread across 2 municipalities.

This entry is probably a savanna fire in Australia’s tropical north, not a bushfire like those in the south of the country. Millions of hectares of northern savanna and grassland burn every year: much of it in burns lit on purpose early in the dry season (traditional fire management, parks and cattle stations), the rest in grass fires that return to the same ground every few years. This is our assumption, based on the location; it is not confirmed. That is why it is left out of the wildfire rankings.

Burnt area
5,317ha
GWIS perimeter (Copernicus)
Duration
4days
1 Oct 2019 – 4 Oct 2019
Municipalities hit
2
local government areas
Started on
1 Oct
2019
Heat detections
178
in a single hotspot: 52 MW
Danger at start
56
Extreme · FWI index
Average daily power
623MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 1 Oct4 Oct
4 Oct 2019

How it evolved, day by day

1 Oct 2019 · 2,034 MW · 143 2 Oct 2019 · 362 MW · 25 3 Oct 2019 · 74 MW · 8 4 Oct 2019 · 22 MW · 2
1 Oct 2 Oct 3 Oct 4 Oct

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

The weather it burned in

40°high
46km/h · peak gust
12%lowest humidity

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

This area had burned before

19% of the perimeter overlaps earlier fires recorded since 2016: 600 ha in 2016, 380 ha in 2017, 76 ha in 2018.

How big is it?

10 km
It burned the equivalent of 3.4% of the area of London (53 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. Unincorporated NT where it started
    5,189 ha reached on 1 Oct
    0.3 %
  2. 39 ha
    0.0 %

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 area< 0.1 ha
Residents< 20

Inside the perimeter there was no noticeable built-up land and almost nobody lived there (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)

Started with 60 days without rain: 34 % of the area in Australia

Day High Min. humidity Peak gust Rain Danger (FWI)
1 Oct 39.2 °C 15 % 44 km/h 0.0 mm Extreme 56
2 Oct 39.5 °C 12 % 46 km/h 0.0 mm Extreme 61
3 Oct 37.7 °C 13 % 41 km/h 0.0 mm Extreme 55
4 Oct 37.3 °C 15 % 37 km/h 0.0 mm Extreme 54
5 Oct after 36.9 °C 16 % 35 km/h 0.0 mm Extreme 54
6 Oct after 36.1 °C 22 % 33 km/h 0.0 mm Very high 50
7 Oct after 36.7 °C 21 % 27 km/h 0.0 mm Very high 45
8 Oct after 38.0 °C 21 % 34 km/h 0.0 mm Very high 48
9 Oct after 38.9 °C 16 % 45 km/h 0.0 mm Extreme 56
10 Oct after 39.3 °C 9 % 42 km/h 0.0 mm Extreme 60
11 Oct after 39.2 °C 9 % 34 km/h 0.0 mm Extreme 54
12 Oct after 39.4 °C 12 % 29 km/h 0.0 mm Extreme 52
13 Oct after 39.7 °C 13 % 38 km/h 0.0 mm Extreme 56
14 Oct after 39.8 °C 12 % 30 km/h 0.0 mm Extreme 57

Before and after, from space

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

Before · 24 Sept 2019
After · 11 Oct 2019

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 · 178Every 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 Australia

Frequently asked questions

How long did the Unincorporated NT fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 1 October 2019 to 4 October 2019 (4 days). The perimeter dates it from 1 October 2019 to 3 October 2019.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 5,317 hectares (53.2 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Unincorporated NT (5,189 ha, 0.3 %); Victoria Daly (39 ha, 0.0 %).
What was the weather like?
During the fire the temperature reached 39.5 °C, humidity dropped to 12 % and gusts hit 46 km/h. The fire danger index (FWI) reached 61, class 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 · Emergency number and official warnings

Satellite cross-check

History of this page · 1 Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
  1. Last day with fire: 3 October 2019 → 4 October 2019.

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.

Report an error
What do you think is wrong?

We will only use your email to reply about this report. Privacy. This is not an emergency service: if there is a fire now, call 000.

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 1 October 2019 to 3 October 2019. 178 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.
  • Probably a vegetation burn: not counted in the totals.

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 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.