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Petatlán fire, May 2022 Petatlán

Out · last detection 20 May 2022, 20:14 UTC

The fire started on 16 May 2022 in Petatlán, Mexico, and satellites saw it burning for 5 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,624 hectares from heat detections, spread across a single municipality.

It is the 568th largest in Guerrero since 2016 (of 612 with a page). Number 205 in Mexico in 2022, of 235.

Burnt area
1,624ha
GWIS perimeter (Copernicus)
Duration
5days
16 May 2022 – 20 May 2022
Municipalities hit
1
municipalities
Started on
16 May
2022
Heat detections
39
in a single hotspot: 80 MW
Danger at start
26
High · FWI index
Energy released
388MW
sum of detected power

Where it burned

20 May 2022
HOTSPOTS BY DAY 16 May20 May

How it evolved, day by day

1617181920

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

The weather it burned in

34°high
39km/h · peak gust
21%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started. Rain came after the fire: 2.0 mm on 23 May.

This area had burned before

80% of the perimeter overlaps earlier fires recorded since 2016: 1,018 ha in 2017, 170 ha in 2018, 361 ha in 2019, 148 ha in 2020. Part of it burned more than once, so the yearly figures add up to more than the 1,303 ha that had burned before.

What happened to each town

  1. Petatlán where it started
    1,633 ha reached on 16 May
    0.8 %

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)
16 May 33.1 °C 39 % 39 km/h 0.0 mm High 26
17 May 33.5 °C 36 % 38 km/h 0.0 mm High 29
18 May 32.9 °C 34 % 38 km/h 0.0 mm High 30
19 May 33.1 °C 21 % 36 km/h 0.0 mm High 36
20 May 31.2 °C 39 % 36 km/h 0.0 mm High 32
21 May after 30.2 °C 57 % 38 km/h 0.0 mm High 24
22 May after 31.8 °C 57 % 38 km/h 0.0 mm High 23
23 May after 32.2 °C 61 % 37 km/h 2.0 mm Low 8

Before and after, from space

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

Before · 9 May 2022
After · 27 May 2022

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 · 39Every 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 Mexico ›

Frequently asked questions

How long did the Petatlán fire last?
GWIS (Copernicus) dates it between 16 May 2022 and 20 May 2022: 5 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 1,624 hectares (16.2 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Petatlán (1,633 ha, 0.8 %).
What was the weather like?
During the fire the temperature reached 33.5 °C, humidity dropped to 21 % and gusts hit 39 km/h. The fire danger index (FWI) reached 36, class High.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Mexico (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
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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 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 (Creative Commons Attribution 4.0 (CC BY 4.0)). 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.