Canelas e Fermelã fire, August 2016 Canelas e Fermelã, Albergaria-a-Velha e Valmaior
The fire started on 7 August 2016 in Canelas e Fermelã, Portugal, and satellites saw it burning for 5 days. Copernicus mapped a burnt perimeter of 411 hectares from satellite imagery, spread across 2 municipalities.
Number 65 in Portugal in 2016, of 180.
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- Burnt area
- 411ha
- Copernicus perimeter
- Duration
- 5days
- 7 Aug 2016 – 11 Aug 2016
- Municipalities hit
- 2
- freguesias
- Started on
- 7 Aug
- 2016
- Heat detections
- 33
- in a single hotspot: 97 MW
- Danger at start
- 48
- Very high · FWI index
- Average daily power
- 181MW
- 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 30 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
-
272 ha reached on 7 Aug12 %
-
Albergaria-a-Velha e Valmaior 11,060 inhabitants · 3.0 km from the centre139 ha reached on 8 Aug3.0 %
Burnt area inside each municipality, from crossing the official 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.
What burned
- Scrub and transitional woodland94 %
- Agricultural areas4.4 %
- Mixed forest2.0 %
Land cover inside the perimeter according to Corine Land Cover, as reported by Copernicus.
People and buildings inside the perimeter
GHSL 2015Inside the perimeter there were about 0.46 hectares of built-up land and almost nobody lived there (GHSL 2015, 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) |
|---|---|---|---|---|---|
| 7 Aug | 38.9 °C | 20 % | 41 km/h | 0.0 mm | Very high 48 |
| 8 Aug | 37.5 °C | 26 % | 39 km/h | 0.0 mm | Very high 45 |
| 9 Aug | 31.2 °C | 39 % | 44 km/h | 0.0 mm | Very high 40 |
| 10 Aug | 32.0 °C | 28 % | 50 km/h | 0.0 mm | Very high 41 |
| 11 Aug | 32.8 °C | 27 % | 47 km/h | 0.0 mm | Very high 42 |
| 12 Aug after | 33.8 °C | 24 % | 36 km/h | 0.0 mm | Very high 40 |
| 13 Aug after | 32.3 °C | 25 % | 42 km/h | 0.0 mm | Very high 43 |
| 14 Aug after | 27.6 °C | 46 % | 32 km/h | 0.0 mm | High 28 |
| 15 Aug after | 26.5 °C | 49 % | 30 km/h | 0.0 mm | High 24 |
| 16 Aug after | 24.9 °C | 51 % | 34 km/h | 0.0 mm | High 24 |
| 17 Aug after | 24.0 °C | 70 % | 37 km/h | 0.4 mm | Moderate 18 |
| 18 Aug after | 26.2 °C | 42 % | 35 km/h | 0.0 mm | High 23 |
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 10 August 2016 the air beside the fire reached 211 µg/m³ of PM2.5. That day averaged 80: 5.4 times the WHO daily 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 · 33Every satellite heat detection, one by one, with time, satellite, power and coordinates.
| Date and time | Satellite | FRP (MW) | Lat | Lon |
|---|
Other fires nearby
- 23,318 haPessegueiro do VougaSeptember 2024 · 7 days · 8 km away
- 7,926 haÁgueda Préstimo e Macieira de AlcobaAugust 2016 · 6 days · 19 km away
- 13,375 haVouzela Cambra e Carvalhal de VermilhasJuly 2026 · 7 days · 24 km away
- 30,331 haArouca Santa EuláliaAugust 2016 · 9 days · 25 km away
- 8,253 haChaveOctober 2017 · 5 days · 34 km away
- 19,317 haVouzela AlcofraOctober 2017 · 4 days · 35 km away
Frequently asked questions
- How long did the Canelas e Fermelã fire last?
- According to the heat detections seen by satellite inside the perimeter, it burned from 7 August 2016 to 11 August 2016 (5 days). The perimeter dates it from 7 August 2016 to 8 August 2016.
- How much area did it burn?
- The perimeter Copernicus measured from satellite imagery is 411 hectares (4.1 km²). Official national figures may differ.
- Which municipalities burned?
- The fire entered 2 municipalities: Canelas e Fermelã (272 ha, 12 %); Albergaria-a-Velha e Valmaior (139 ha, 3.0 %).
- Did the fire reach a town?
- The fire started in Canelas e Fermelã and came within 2.1 km of its centre. That is the distance from the perimeter, or the nearest hotspot, to the point marking the centre; it does not mean it entered the houses.
- What was the weather like?
- During the fire the temperature reached 38.9 °C, humidity dropped to 20 % and gusts hit 41 km/h. The fire danger index (FWI) reached 48, class Very high.
- Where does this data come from?
- From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Portugal (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: 112 · Emergency number and official warnings ›
- ICNF · Instituto da Conservação da Natureza e das Florestas ↗
- ANEPC · Proteção Civil ↗
- Fogos.pt (ocorrências em tempo real) ↗
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: EFFIS (Copernicus), mapped on satellite imagery.
- Dates adjusted with the VIIRS detections inside the perimeter, which said 7 August 2016 to 8 August 2016. 33 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 2015, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.
Where this data comes from
The perimeter and land cover come from the Copernicus European Forest Fire Information System (EFFIS), measured on MODIS and Sentinel-2 imagery and published under CC BY 4.0. 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 ADM3 (CC0 1.0 Universal (CC0 1.0) Public Domain Dedication). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from each country’s official figure.