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Lamasón fire, April 2024 Lamasón

Out · last detection 6 Apr 2024, 02:31 UTC

The fire started on 6 April 2024 in Lamasón, Spain, and satellites saw it burning for 1 day. Copernicus mapped a burnt perimeter of 118 hectares from satellite imagery, spread across a single municipality.

It is the 151th largest in Cantabria since 2016 (of 179 with a page). Number 69 in Spain in 2024, of 82.

The power measured by the satellite is low (2.6 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Burnt area
118ha
Copernicus perimeter
Duration
1day
6 Apr 2024 – 6 Apr 2024
Municipalities hit
1
municipalities
Started on
6 Apr
2024
Heat detections
8
in a single hotspot: 3 MW
Danger at start
4
Very low · FWI index
Energy released
17MW
sum of detected power

Where it burned

HOTSPOTS BY DAY 6 Apr6 Apr

How it evolved, day by day

6

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

The weather it burned in

20°high
77km/h · peak gust
36%lowest humidity

It had gone 3 days without rain (1 mm or more) when it started. Rain came after the fire: 13.0 mm on 7 Apr.

This area had burned before

90% of the perimeter overlaps earlier fires recorded since 2016: 106 ha in 2021.

What happened to each town

  1. Lamasón 237 inhabitants · 1.1 km from the town where it started
    118 ha reached on 6 Apr
    1.7 %

Burnt area inside each municipality, from crossing the official perimeter with administrative boundaries. The distance is from the town centre to the nearest fire: staying a kilometre away does not mean it reached the houses.

What burned

  • Other natural land81 %
  • Broadleaved forest19 %

Natura 2000 protected area affected: 1 %

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.

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)
6 Apr 19.9 °C 36 % 77 km/h 0.9 mm Very low 4
7 Apr after 16.3 °C 59 % 34 km/h 13.0 mm Very low 0

Before and after, from space

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

Before · 30 Mar 2024
After · 13 Apr 2024

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 6 April 2024 the air beside the fire reached 18 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).

PM2.5 peak18 µg/m³
Days over the guideline0 days
PM1075 µg/m³
Optical depth0.63
456789
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 · 8Every 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 Spain ›

Frequently asked questions

How long did the Lamasón fire last?
Copernicus dates it between 6 April 2024 and 6 April 2024: 1 day between the first and last image with fire.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 118 hectares (1.2 km²). Official national figures may differ.
Which municipalities burned?
The fire only entered Lamasón (118 ha, 1.7 %).
Did the fire reach a town?
The closest fire to a town centre came within 1.1 km of Lamasón. That is the distance to the perimeter or nearest hotspot; it does not mean it entered the houses.
What was the weather like?
During the fire the temperature reached 19.9 °C, humidity dropped to 36 % and gusts hit 77 km/h. The fire danger index (FWI) reached 4, class Very low.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Spain (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

Satellite cross-check

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.

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 (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 slightly from each country’s official figure.