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Tijuana fire, June 2020 Tijuana

Out · last detection 11 Jun 2020, 21:34 UTC

The fire started on 9 June 2020 in Tijuana, Mexico, and satellites saw it burning for 3 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,312 hectares from heat detections, spread across a single municipality.

It is the 34th largest in Baja California since 2016 (of 57 with a page). Number 118 in Mexico in 2020, of 243.

Compare with…
Burnt area
2,312ha
GWIS perimeter (Copernicus)
Duration
3days
9 Jun 2020 – 11 Jun 2020
Municipalities hit
1
municipalities
Started on
9 Jun
2020
Heat detections
95
in a single hotspot: 307 MW
Danger at start
56
Extreme · FWI index
Average daily power
1.4GW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 9 Jun11 Jun
11 Jun 2020

How it evolved, day by day

10 Jun 2020 · 2,314 MW · 83 11 Jun 2020 · 576 MW · 12
10 Jun 11 Jun

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

The weather it burned in

32°high
44km/h · peak gust
4%lowest humidity

It had gone 3 days without rain (1 mm or more) when it started.

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 1.5% of the area of London (23 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. Tijuana 1,922,523 inhabitants where it started
    2,319 ha reached on 10 Jun
    1.9 %

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.

Official record

According to CONAFOR, this fire started on 9 June 2020 and burned 4,794 ha (the satellite measured 2,312 ha). The two figures differ a lot, so these may not be exactly the same fire: take them as nearby records.

CONAFOR (Comisión Nacional Forestal), estadística de incendios forestales en datos.gob.mx (CC BY 4.0). This is the agency’s consolidated statistic: it measures the area in its own way, which is why it can differ from the satellite.

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)
10 Jun 32.0 °C 4 % 44 km/h 0.0 mm Extreme 56
11 Jun 28.3 °C 11 % 36 km/h 0.0 mm Extreme 50
12 Jun after 24.1 °C 26 % 34 km/h 0.0 mm High 37
13 Jun after 22.9 °C 30 % 40 km/h 0.0 mm High 35
14 Jun after 23.6 °C 34 % 34 km/h 0.0 mm High 31
15 Jun after 23.2 °C 46 % 35 km/h 0.0 mm High 26
16 Jun after 22.6 °C 45 % 35 km/h 0.0 mm High 25
17 Jun after 21.9 °C 50 % 34 km/h 0.0 mm High 23
18 Jun after 21.1 °C 46 % 32 km/h 0.0 mm High 22
19 Jun after 22.9 °C 44 % 36 km/h 0.0 mm High 24
20 Jun after 22.2 °C 46 % 39 km/h 0.0 mm High 25
21 Jun after 24.6 °C 45 % 37 km/h 0.0 mm High 25

Before and after, from space

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

Before · 2 Jun 2020
After · 18 Jun 2020

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 · 95Every 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 Tijuana fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 9 June 2020 to 11 June 2020 (3 days). The perimeter dates it from 10 June 2020 to 11 June 2020.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 2,312 hectares (23.1 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Tijuana (2,319 ha, 1.9 %).
What was the weather like?
During the fire the temperature reached 32.0 °C, humidity dropped to 4 % and gusts hit 44 km/h. The fire danger index (FWI) reached 56, class Extreme.
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
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.

How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 10 June 2020 to 11 June 2020. 95 Suomi-NPP VIIRS detections on those dates.
  • Compared with CONAFOR: 4,794 official ha against 2,312 ha of perimeter; similar, but with reservations.
  • 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 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.