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Mlele fire, 27 July 2017 Mlele

Out · last detection 8 Aug 2017, 10:37 UTC

The fire started on 27 July 2017 in Mlele, Tanzania, and satellites saw it burning for 12 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 5,245 hectares from heat detections, spread across a single municipality.

It is the 102th largest in Katavi since 2016 (of 271 with a page). Number 32 in Tanzania in 2017, of 104.

Burnt area
5,245ha
GWIS perimeter (Copernicus)
Duration
12days
27 Jul 2017 – 7 Aug 2017
Municipalities hit
1
districts
Started on
27 Jul
2017
Heat detections
156
in a single hotspot: 105 MW
Danger at start
39
Very high · FWI index
Energy released
1.9GW
sum of detected power

Where it burned

8 Aug 2017
HOTSPOTS BY DAY 27 Jul7 Aug

How it evolved, day by day

272829303112345678

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
42km/h · peak gust
26%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started.

This area had burned before

17% of the perimeter overlaps earlier fires recorded since 2016: 892 ha in 2016.

What happened to each town

  1. Mlele where it started
    5,273 ha reached on 27 Jul
    0.2 %

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)
27 Jul 30.7 °C 29 % 34 km/h 0.0 mm Very high 39
28 Jul 30.5 °C 28 % 42 km/h 0.0 mm Very high 43
29 Jul 30.2 °C 29 % 41 km/h 0.0 mm Very high 42
30 Jul 30.2 °C 26 % 41 km/h 0.0 mm Very high 42
31 Jul 30.0 °C 28 % 41 km/h 0.0 mm Very high 42
1 Aug 28.6 °C 34 % 40 km/h 0.0 mm High 38
2 Aug 29.6 °C 34 % 39 km/h 0.0 mm High 37
3 Aug 28.5 °C 34 % 39 km/h 0.0 mm High 36
4 Aug 28.8 °C 32 % 40 km/h 0.0 mm High 37
5 Aug 31.7 °C 29 % 36 km/h 0.0 mm High 36
6 Aug 30.2 °C 30 % 35 km/h 0.0 mm High 35
7 Aug 30.5 °C 26 % 40 km/h 0.0 mm High 38
8 Aug after 31.6 °C 27 % 39 km/h 0.0 mm High 37
9 Aug after 29.8 °C 30 % 38 km/h 0.0 mm High 37
10 Aug after 27.8 °C 38 % 41 km/h 0.0 mm High 35
11 Aug after 29.4 °C 29 % 45 km/h 0.0 mm High 37
12 Aug after 29.7 °C 29 % 42 km/h 0.0 mm High 36
13 Aug after 30.9 °C 28 % 38 km/h 0.0 mm High 36
14 Aug after 31.9 °C 29 % 43 km/h 0.0 mm High 38
15 Aug after 30.0 °C 33 % 42 km/h 0.0 mm High 38
16 Aug after 31.4 °C 33 % 37 km/h 0.0 mm High 36
17 Aug after 29.5 °C 36 % 28 km/h 0.0 mm High 32

Before and after, from space

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

Before · 20 Jul 2017
After · 14 Aug 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 · 156Every 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 Tanzania ›

Frequently asked questions

How long did the Mlele fire last?
GWIS (Copernicus) dates it between 27 July 2017 and 7 August 2017: 12 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 5,245 hectares (52.4 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Mlele (5,273 ha, 0.2 %).
What was the weather like?
During the fire the temperature reached 31.7 °C, humidity dropped to 26 % and gusts hit 42 km/h. The fire danger index (FWI) reached 43, class Very high.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Tanzania (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
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 112.

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.