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Simbaru fire, 14 April 2022 Simbaru, Kandu Leppiama, Dodo

Out · last detection 19 Apr 2022, 14:47 UTC

The fire started on 14 April 2022 in Simbaru, Sierra Leone, and satellites saw it burning for 6 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 6,054 hectares from heat detections, spread across 5 municipalities.

It is the 3th largest in Eastern since 2016 (of 263 with a page). Number 4 in Sierra Leone in 2022, of 167.

Burnt area
6,054ha
GWIS perimeter (Copernicus)
Duration
6days
14 Apr 2022 – 19 Apr 2022
Municipalities hit
5
chiefdoms
Started on
14 Apr
2022
Heat detections
216
in a single hotspot: 137 MW
Danger at start
8
Low · FWI index
Energy released
4.2GW
sum of detected power

Where it burned

19 Apr 2022
HOTSPOTS BY DAY 14 Apr19 Apr

How it evolved, day by day

14151619

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

The weather it burned in

36°high
38km/h · peak gust
30%lowest humidity

It had gone 0 days without rain (1 mm or more) when it started. Rain came after the fire: 3.6 mm on 20 Apr.

This area had burned before

3% of the perimeter overlaps earlier fires recorded since 2016: 93 ha in 2016, 93 ha in 2020.

What happened to each town

  1. Simbaru where it started
    3,364 ha reached on 14 Apr
    12 %
  2. 2,088 ha reached on 14 Apr
    9.2 %
  3. 285 ha reached on 14 Apr
    0.9 %
  4. 239 ha reached on 14 Apr
    1.2 %
  5. 116 ha reached on 16 Apr
    0.3 %

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)
14 Apr 33.3 °C 50 % 34 km/h 0.2 mm Low 8
15 Apr 35.1 °C 44 % 37 km/h 1.6 mm Low 8
16 Apr 36.1 °C 37 % 32 km/h 0.0 mm Moderate 16
17 Apr 35.8 °C 30 % 38 km/h 0.0 mm Moderate 20
18 Apr 34.9 °C 46 % 33 km/h 0.3 mm Moderate 18
19 Apr 34.3 °C 49 % 36 km/h 0.1 mm Moderate 17
20 Apr after 34.7 °C 52 % 26 km/h 3.6 mm Very low 4

Before and after, from space

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

Before · 7 Apr 2022
After · 26 Apr 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 · 216Every 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 Sierra Leone ›

Frequently asked questions

How long did the Simbaru fire last?
GWIS (Copernicus) dates it between 14 April 2022 and 19 April 2022: 6 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 6,054 hectares (60.5 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 5 municipalities: Simbaru (3,364 ha, 12 %); Kandu Leppiama (2,088 ha, 9.2 %); Dodo (285 ha, 0.9 %); Badjia (239 ha, 1.2 %); Boama (116 ha, 0.3 %).
What was the weather like?
During the fire the temperature reached 36.1 °C, humidity dropped to 30 % and gusts hit 38 km/h. The fire danger index (FWI) reached 20, class Moderate.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Sierra Leone (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.

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.

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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 ADM3 (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.