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AU · Australia · –

West Wimmera fire, February 2025 West Wimmera

Out · last detection 8 Feb 2025, 03:49 UTC

The fire started on 2 February 2025 in West Wimmera, Australia, and satellites saw it burning for 6 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 12,362 hectares from heat detections, spread across a single municipality.

It is the 15th largest in Victoria since 2016 (of 31 with a page). Number 14 in Australia in 2025, of 49.

Compare with…
Burnt area
12,362ha
GWIS perimeter (Copernicus)
Duration
6days
2 Feb 2025 – 7 Feb 2025
Municipalities hit
1
local government areas
Started on
2 Feb
2025
Heat detections
625
in a single hotspot: 310 MW
Danger at start
57
Extreme · FWI index
Average daily power
2.7GW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 2 Feb7 Feb
8 Feb 2025

How it evolved, day by day

2 Feb 2025 · 4,982 MW · 329 3 Feb 2025 · 11,006 MW · 275 4 Feb 2025 · 26 MW · 9 6 Feb 2025 · 17 MW · 9 7 Feb 2025 · 12 MW · 2 8 Feb 2025 · 23 MW · 1
3 Feb 7 Feb

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

The weather it burned in

41°high
52km/h · peak gust
16%lowest humidity

It had gone 23 days without rain (1 mm or more) when it started.

This area had burned before

21% of the perimeter overlaps earlier fires recorded since 2016: 332 ha in 2017, 661 ha in 2018, 1,545 ha in 2019, 363 ha in 2020, 865 ha in 2021, 490 ha in 2022, 253 ha in 2023, 13 ha in 2024. Part of it burned more than once, so the yearly figures add up to more than the 2,561 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 7.8% of the area of London (124 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. West Wimmera where it started
    12,388 ha reached on 2 Feb
    1.4 %

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 2025
Built-up area0.27 ha
Residents< 20

Inside the perimeter there were about 0.27 hectares of built-up land and almost nobody lived there (GHSL 2025, 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. The GHSL 2025 epoch is a projection made from 2020 and earlier data.

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)
2 Feb 40.7 °C 16 % 40 km/h 0.0 mm Extreme 57
3 Feb 38.6 °C 21 % 44 km/h 0.7 mm Extreme 53
4 Feb 34.3 °C 34 % 52 km/h 0.7 mm Very high 44
5 Feb 28.4 °C 23 % 38 km/h 0.0 mm Very high 42
6 Feb 35.2 °C 23 % 25 km/h 0.0 mm Very high 43
7 Feb 29.9 °C 31 % 46 km/h 0.0 mm Very high 48
8 Feb after 25.8 °C 29 % 44 km/h 0.0 mm Very high 45
9 Feb after 23.9 °C 52 % 48 km/h 0.6 mm High 32
10 Feb after 32.0 °C 28 % 40 km/h 0.0 mm Very high 40
11 Feb after 34.3 °C 21 % 32 km/h 0.0 mm Very high 46
12 Feb after 38.1 °C 14 % 34 km/h 0.0 mm Extreme 53
13 Feb after 29.4 °C 31 % 52 km/h 0.1 mm Extreme 53
14 Feb after 24.0 °C 36 % 54 km/h 0.4 mm Very high 47
15 Feb after 19.6 °C 29 % 55 km/h 0.0 mm Very high 45
16 Feb after 21.6 °C 28 % 39 km/h 0.0 mm High 37
17 Feb after 25.6 °C 21 % 29 km/h 0.0 mm High 37

Before and after, from space

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

Before · 26 Jan 2025
After · 14 Feb 2025

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 1 February 2025 the air beside the fire reached 58 µg/m³ of PM2.5. That day averaged 29: 1.9 times the WHO daily guideline (15).

PM2.5 peak58 µg/m³
Days over the guideline4 days
PM1060 µg/m³
Optical depth0.58
31 Jan2 Feb4 Feb6 Feb
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 625Every 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

Frequently asked questions

How long did the West Wimmera fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 2 February 2025 to 7 February 2025 (6 days). The perimeter dates it from 2 February 2025 to 4 February 2025.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 12,362 hectares (123.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered West Wimmera (12,388 ha, 1.4 %).
What was the weather like?
During the fire the temperature reached 40.7 °C, humidity dropped to 16 % and gusts hit 52 km/h. The fire danger index (FWI) reached 57, 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: 4 February 2025 → 7 February 2025.

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 2 February 2025 to 4 February 2025. 625 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 2025, 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 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.