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Pinhel fire, 25 August 2017 Valbom/Bogalhal, Pinhel, Colmeal e Vilar Torpim

Out · last detection 27 Aug 2017, 13:16 UTC

The fire started on 25 August 2017 in Valbom/Bogalhal, Portugal, and satellites saw it burning for 3 days. Copernicus mapped a burnt perimeter of 1,383 hectares from satellite imagery, spread across 3 municipalities. According to ICNF, it was detected on 25 August 2017 at 21:28 and declared extinguished on 26 August 2017.

It is the 4th largest in Pinhel since 2016 (of 11 with a page). Number 45 in Portugal in 2017, of 210.

The power measured by the satellite is low (14.3 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Compare with…
Burnt area
1,383ha
Copernicus perimeter
Duration
3days
25 Aug 2017 – 27 Aug 2017
Municipalities hit
3
freguesias
Started on
25 Aug
2017
Heat detections
11
in a single hotspot: 14 MW
Danger at start
44
Very high · FWI index
Average daily power
33MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 25 Aug27 Aug
27 Aug 2017

How it evolved, day by day

26 Aug 2017 · 18 MW · 7 27 Aug 2017 · 48 MW · 4
26 Aug 27 Aug

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

The weather it burned in

31°high
56km/h · peak gust
14%lowest humidity

It had gone 48 days without rain (1 mm or more) when it started. Rain came after the fire: 2.1 mm on 28 Aug.

This area had burned before

No earlier perimeters overlap this fire since 2016, when the satellite record begins.

How big is it?

10 km
It burned the equivalent of 0.9% of the area of London (14 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. Valbom/Bogalhal 192 inhabitants · 1.9 km from the centre where it started
    722 ha reached on 26 Aug
    22 %
  2. Pinhel 3,293 inhabitants · 2.6 km from the centre
    508 ha reached on 27 Aug
    11 %
  3. Colmeal e Vilar Torpim 196 inhabitants · 6.0 km from the centre
    155 ha
    2.1 %

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

  • Other natural land68 %
  • Scrub and transitional woodland21 %
  • Agricultural areas9.2 %
  • Broadleaved forest2.5 %

Natura 2000 protected area affected: 52 %

Natura 2000 sites (European Environment Agency, 2024 release) crossed by the perimeter.

Land cover inside the perimeter according to Corine Land Cover, as reported by Copernicus.

Official record

According to ICNF, this fire started on 25 August 2017 and burned 1,198 ha (the satellite measured 1,383 ha).

ICNF (Instituto da Conservação da Natureza e das Florestas). This is the agency’s operational record: its figures may be revised when the year’s statistics are closed.

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)
25 Aug 30.8 °C 14 % 30 km/h 0.0 mm Very high 44
26 Aug 30.9 °C 23 % 56 km/h 1.3 mm Very high 41
27 Aug 28.3 °C 37 % 53 km/h 3.5 mm Moderate 12
28 Aug after 25.6 °C 36 % 34 km/h 2.1 mm Low 9

Before and after, from space

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

Before · 18 Aug 2017
After · 3 Sept 2017

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 26 August 2017 the air beside the fire reached 19 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).

PM2.5 peak19 µg/m³
Days over the guideline0 days
PM1031 µg/m³
2324252627282930
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 · 11Every 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 Portugal ›

Frequently asked questions

How long did the Pinhel fire last?
Copernicus dates it between 25 August 2017 and 27 August 2017: 3 days between the first and last image with fire. According to ICNF, it was detected on 25 August 2017 at 21:28 and declared extinguished on 26 August 2017.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 1,383 hectares (13.8 km²). Official national figures may differ.
Which municipalities burned?
The fire entered 3 municipalities: Valbom/Bogalhal (722 ha, 22 %); Pinhel (508 ha, 11 %); Colmeal e Vilar Torpim (155 ha, 2.1 %).
Did the fire reach a town?
The fire started in Valbom/Bogalhal and came within 1.9 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 30.9 °C, humidity dropped to 14 % and gusts hit 56 km/h. The fire danger index (FWI) reached 44, 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 ›

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.

RSS Changes to this page

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
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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 112.

How we know this
  • Perimeter: EFFIS (Copernicus), mapped on satellite imagery.
  • Dates from the perimeter: the VIIRS detections inside it did not change them. 11 Suomi-NPP VIIRS detections on those dates.
  • Compared with ICNF: 1,198 official ha against 1,383 ha of perimeter; they agree within 25%.
  • Weather: Copernicus ERA5 reanalysis at the fire location, in cells of about 25 km.

How we build fire pages: methodology ›

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.