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Bihać fire, 22 March 2022 Bihać

Out · last detection 26 Mar 2022, 12:26 UTC

The fire started on 22 March 2022 in Bihać, Bosnia & Herzegovina, and satellites saw it burning for 4 days. Copernicus mapped a burnt perimeter of 1,138 hectares from satellite imagery, spread across a single municipality.

It is the 52th largest in Federation of Bosnia and Herzegovina since 2016 (of 520 with a page). Number 13 in Bosnia & Herzegovina in 2022, of 144.

The power measured by the satellite is low (27.0 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Burnt area
1,138ha
Copernicus perimeter
Duration
4days
22 Mar 2022 – 25 Mar 2022
Municipalities hit
1
municipalities
Started on
22 Mar
2022
Heat detections
42
in a single hotspot: 27 MW
Danger at start
6
Low · FWI index
Energy released
283MW
sum of detected power

Where it burned

26 Mar 2022
HOTSPOTS BY DAY 22 Mar25 Mar

How it evolved, day by day

2223242526

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

The weather it burned in

20°high
46km/h · peak gust
8%lowest humidity

It had gone 14 days without rain (1 mm or more) when it started. Rain came after the fire: 2.2 mm on 30 Mar.

This area had burned before

64% of the perimeter overlaps earlier fires recorded since 2016: 460 ha in 2017, 712 ha in 2020. Part of it burned more than once, so the yearly figures add up to more than the 723 ha that had burned before.

What happened to each town

  1. Bihać where it started
    1,121 ha reached on 22 Mar
    1.2 %

Burnt area inside each municipality, from crossing the official 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.

What burned

  • Broadleaved forest60 %
  • Agricultural areas16 %
  • Scrub and transitional woodland14 %
  • Coniferous forest5.4 %
  • Mixed forest3.3 %
  • Other natural land1.8 %

Land cover inside the perimeter according to Corine Land Cover, as reported by Copernicus.

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)
22 Mar 12.1 °C 23 % 46 km/h 0.0 mm Low 6
23 Mar 15.8 °C 20 % 44 km/h 0.0 mm Low 8
24 Mar 20.2 °C 8 % 21 km/h 0.0 mm Low 9
25 Mar 18.2 °C 18 % 30 km/h 0.0 mm Low 10
26 Mar after 18.4 °C 18 % 26 km/h 0.0 mm Low 10
27 Mar after 18.4 °C 21 % 29 km/h 0.0 mm Moderate 11
28 Mar after 17.9 °C 28 % 34 km/h 0.0 mm Low 10
29 Mar after 15.6 °C 35 % 48 km/h 0.0 mm Low 11
30 Mar after 12.1 °C 56 % 58 km/h 2.2 mm Very low 2

Before and after, from space

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

Before · 15 Mar 2022
After · 1 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 · 42Every 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 Bosnia & Herzegovina ›

Frequently asked questions

How long did the Bihać fire last?
Copernicus dates it between 22 March 2022 and 25 March 2022: 4 days between the first and last image with fire.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 1,138 hectares (11.4 km²). Official national figures may differ.
Which municipalities burned?
The fire only entered Bihać (1,121 ha, 1.2 %).
What was the weather like?
During the fire the temperature reached 20.2 °C, humidity dropped to 8 % and gusts hit 46 km/h. The fire danger index (FWI) reached 10, class Low.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Bosnia & Herzegovina (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: 123 · 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 123 · 112.

Where this data comes from

The perimeter and land cover come from the Copernicus European Forest Fire Information System (EFFIS), measured on MODIS and Sentinel-2 imagery and published under CC BY 4.0. 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 (Public Domain). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from each country’s official figure.