Morombe fire, September 2026 Morombe
The fire started on 11 September 2026 in Morombe, Madagascar, and satellites saw it burning for 14 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 3,873 hectares from heat detections, spread across a single municipality.
It is the 24th largest in Atsimo-Andrefana since 2016 (of 45 with a page). Number 20 in Madagascar in 2026, of 94.
Compare with…
Suggestions: Ankazoabo · 2026
- Burnt area
- 3,873ha
- GWIS perimeter (Copernicus)
- Duration
- 14days
- 11 Sept 2026 – 24 Sept 2026
- Municipalities hit
- 1
- districts
- Started on
- 11 Sept
- 2026
- Heat detections
- 79
- in a single hotspot: 57 MW
- Danger at start
- 39
- Very high · FWI index
- Average daily power
- 49MW
- detected power per day, on average
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 more than two months without rain (1 mm or more) when it started. Rain came after the fire: 1.9 mm on 26 Sept.
This area had burned before
58% of the perimeter overlaps earlier fires recorded since 2016: 485 ha in 2016, 455 ha in 2017, 886 ha in 2020, 514 ha in 2024.
How big is it?
London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).
Paris boundary: geoBoundaries · Institut national de l'information géographique et forestière (IGN-F) (Etalab Open License 2.0).
Madrid boundary: geoBoundaries · Open Data ESRI, IGN Central Registry of Cartography Area (CC BY 4.0).
Berlin boundary: geoBoundaries · Federal Agency for Cartography and Geodesy (dl-de/by-2-0).
This compares size, not location: both shapes are at the same scale, north up, centred on each other.
What happened to each town
-
Morombe where it started3,901 ha reached on 11 Sept0.5 %
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.
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) |
|---|---|---|---|---|---|
| 11 Sept | 31.1 °C | 27 % | 38 km/h | 0.0 mm | Very high 39 |
| 12 Sept | 30.7 °C | 25 % | 32 km/h | 0.0 mm | High 38 |
| 13 Sept | 31.9 °C | 20 % | 29 km/h | 0.0 mm | Very high 41 |
| 14 Sept | 33.2 °C | 19 % | 43 km/h | 0.0 mm | Very high 49 |
| 15 Sept | 32.4 °C | 29 % | 51 km/h | 0.0 mm | Extreme 51 |
| 16 Sept | 32.1 °C | 31 % | 45 km/h | 0.0 mm | Very high 46 |
| 17 Sept | 32.1 °C | 27 % | 30 km/h | 0.0 mm | High 37 |
| 18 Sept | 31.5 °C | 29 % | 27 km/h | 0.0 mm | High 38 |
| 19 Sept | 31.7 °C | 27 % | 34 km/h | 0.0 mm | Very high 41 |
| 20 Sept | 32.8 °C | 28 % | 37 km/h | 0.0 mm | Very high 41 |
| 21 Sept | 31.4 °C | 31 % | 34 km/h | 0.0 mm | Very high 41 |
| 22 Sept | 30.8 °C | 36 % | 35 km/h | 0.0 mm | High 37 |
| 23 Sept | 32.2 °C | 33 % | 33 km/h | 0.0 mm | High 37 |
| 24 Sept | 32.7 °C | 30 % | 36 km/h | 0.1 mm | High 38 |
| 25 Sept after | 32.5 °C | 29 % | 30 km/h | 0.1 mm | High 34 |
| 26 Sept after | 32.1 °C | 36 % | 37 km/h | 1.9 mm | High 22 |
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.
The smoke
CAMS · CopernicusOn 19 September 2026 the air beside the fire reached 31 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).
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 · 79Every satellite heat detection, one by one, with time, satellite, power and coordinates.
| Date and time | Satellite | FRP (MW) | Lat | Lon |
|---|
Other fires nearby
Frequently asked questions
- How long did the Morombe fire last?
- According to the heat detections seen by satellite inside the perimeter, it burned from 11 September 2026 to 24 September 2026 (14 days). The perimeter dates it from 11 September 2026 to 23 September 2026.
- How much area did it burn?
- The perimeter GWIS (Copernicus) rebuilt from heat detections is 3,873 hectares (38.7 km²). It is an estimate: official national figures may differ.
- Which municipalities burned?
- The fire only entered Morombe (3,901 ha, 0.5 %).
- What was the weather like?
- During the fire the temperature reached 33.2 °C, humidity dropped to 19 % and gusts hit 51 km/h. The fire danger index (FWI) reached 51, class Extreme.
- Where does this data come from?
- From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Madagascar (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.
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
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 11 September 2026 to 23 September 2026. 79 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.
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.