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VE · Venezuela · →

Sosa fire, March 2026 Sosa

Out · last detection 28 Mar 2026, 05:51 UTC

The fire started on 20 March 2026 in Sosa, Venezuela, and satellites saw it burning for 9 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,261 hectares from heat detections, spread across a single municipality.

It is the 43th largest in Barinas since 2016 (of 117 with a page). Number 195 in Venezuela in 2026, of 396.

The power measured by the satellite is low (29.6 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
2,261ha
GWIS perimeter (Copernicus)
Duration
9days
20 Mar 2026 – 28 Mar 2026
Municipalities hit
1
municipalities
Started on
20 Mar
2026
Heat detections
69
in a single hotspot: 30 MW
Danger at start
46
Very high · FWI index
Energy released
409MW
sum of detected power

Where it burned

28 Mar 2026
HOTSPOTS BY DAY 20 Mar28 Mar

How it evolved, day by day

202122232425262728

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

The weather it burned in

40°high
48km/h · peak gust
15%lowest humidity

It had gone 32 days without rain (1 mm or more) when it started. Rain came after the fire: 8.1 mm on 29 Mar.

This area had burned before

73% of the perimeter overlaps earlier fires recorded since 2016: 1,119 ha in 2018, 14 ha in 2019, 797 ha in 2020, 418 ha in 2022, 417 ha in 2024. Part of it burned more than once, so the yearly figures add up to more than the 1,650 ha that had burned before.

What happened to each town

  1. Sosa 24,142 inhabitants where it started
    2,274 ha reached on 20 Mar
    0.6 %

Burnt area inside each municipality, from crossing the GWIS 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.

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)
20 Mar 38.4 °C 24 % 38 km/h 0.0 mm Very high 46
21 Mar 39.3 °C 17 % 41 km/h 0.0 mm Extreme 51
22 Mar 39.8 °C 15 % 37 km/h 0.0 mm Extreme 51
23 Mar 38.6 °C 20 % 35 km/h 0.0 mm Extreme 56
24 Mar 38.9 °C 19 % 43 km/h 0.0 mm Extreme 56
25 Mar 38.0 °C 19 % 48 km/h 0.0 mm Extreme 59
26 Mar 38.4 °C 23 % 43 km/h 0.0 mm Extreme 54
27 Mar 38.0 °C 22 % 42 km/h 0.0 mm Extreme 53
28 Mar 36.6 °C 30 % 31 km/h 0.5 mm Very high 44
29 Mar after 34.7 °C 37 % 29 km/h 8.1 mm Low 8

Before and after, from space

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

Before · 13 Mar 2026
After · 4 Apr 2026

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 29 March 2026 the air beside the fire reached 49 µg/m³ of PM2.5. That day averaged 29: 1.9 times the WHO daily guideline (15).

PM2.5 peak49 µg/m³
Days over the guideline4 days
PM1050 µg/m³
Optical depth0.72
111213141516171819202122232425262728293031123456
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 · 69Every 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 Venezuela ›

Frequently asked questions

How long did the Sosa fire last?
GWIS (Copernicus) dates it between 20 March 2026 and 28 March 2026: 9 days between the first and last heat detection of the perimeter.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 2,261 hectares (22.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Sosa (2,274 ha, 0.6 %).
What was the weather like?
During the fire the temperature reached 39.8 °C, humidity dropped to 15 % and gusts hit 48 km/h. The fire danger index (FWI) reached 59, class Extreme.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Venezuela (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: 911

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
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 911.

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 (Open Data Commons Open Database License 1.0). 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.