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Anta fire, 20 September 2017 Anta

Out · last detection 20 Sept 2017, 18:52 UTC

The fire started on 20 September 2017 in Anta, Argentina, and satellites saw it burning for 1 day. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,591 hectares from heat detections, spread across a single municipality.

It is the 211th largest in Salta since 2016 (of 231 with a page). Number 234 in Argentina in 2017, of 256.

Burnt area
1,591ha
GWIS perimeter (Copernicus)
Duration
1day
20 Sept 2017 – 20 Sept 2017
Municipalities hit
1
departments
Started on
20 Sept
2017
Heat detections
50
in a single hotspot: 50 MW
Danger at start
63
Extreme · FWI index
Energy released
553MW
sum of detected power

Where it burned

HOTSPOTS BY DAY 20 Sept20 Sept

How it evolved, day by day

20

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

The weather it burned in

42°high
70km/h · peak gust
11%lowest humidity

It had gone 6 days without rain (1 mm or more) when it started. Rain came after the fire: 3.0 mm on 27 Sept.

This area had burned before

3% of the perimeter overlaps earlier fires recorded since 2016: 40 ha in 2016.

What happened to each town

  1. Anta where it started
    1,607 ha reached on 20 Sept
    0.1 %

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 Sept 42.2 °C 11 % 70 km/h 0.0 mm Extreme 63
21 Sept after 28.1 °C 31 % 69 km/h 0.0 mm Very high 47
22 Sept after 23.6 °C 37 % 37 km/h 0.0 mm High 25
23 Sept after 28.2 °C 29 % 35 km/h 0.0 mm High 29
24 Sept after 31.3 °C 26 % 41 km/h 0.0 mm High 31
25 Sept after 34.3 °C 34 % 24 km/h 0.1 mm High 29
26 Sept after 36.2 °C 25 % 42 km/h 0.0 mm High 34
27 Sept after 30.0 °C 34 % 54 km/h 3.0 mm Moderate 17

Before and after, from space

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

Before · 13 Sept 2017
After · 27 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.

Detections table · 50Every 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 Argentina ›

Frequently asked questions

How long did the Anta fire last?
GWIS (Copernicus) dates it between 20 September 2017 and 20 September 2017: 1 day 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 1,591 hectares (15.9 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Anta (1,607 ha, 0.1 %).
What was the weather like?
During the fire the temperature reached 42.2 °C, humidity dropped to 11 % and gusts hit 70 km/h. The fire danger index (FWI) reached 63, class Extreme.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Argentina (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 · 100

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 · 100.

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.