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Naro fire, 24 July 2023 Naro, Favara

Out · last detection 25 Jul 2023, 00:52 UTC

The fire started on 24 July 2023 in Naro, Italy, and satellites saw it burning for 1 day. Copernicus mapped a burnt perimeter of 344 hectares from satellite imagery, spread across 2 municipalities.

It is the 61th largest in Agrigento since 2016 (of 289 with a page). Number 57 in Italy in 2023, of 207.

The power measured by the satellite is low (22.3 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
344ha
Copernicus perimeter
Duration
1day
24 Jul 2023 – 24 Jul 2023
Municipalities hit
2
municipalities
Started on
24 Jul
2023
Heat detections
13
in a single hotspot: 22 MW
Danger at start
51
Extreme · FWI index
Energy released
173MW
sum of detected power

Where it burned

25 Jul 2023
HOTSPOTS BY DAY 24 Jul24 Jul

How it evolved, day by day

2425

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

The weather it burned in

38°high
34km/h · peak gust
19%lowest humidity

It had gone 38 days without rain (1 mm or more) when it started.

This area had burned before

58% of the perimeter overlaps earlier fires recorded since 2016: 23 ha in 2019, 167 ha in 2021, 12 ha in 2022.

What happened to each town

  1. Naro 7,007 inhabitants · 7.0 km from the town where it started
    271 ha reached on 24 Jul
    1.3 %
  2. Favara 31,593 inhabitants · 2.4 km from the town
    74 ha reached on 24 Jul
    0.9 %

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

  • Other natural land58 %
  • Agricultural areas42 %

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)
24 Jul 38.1 °C 19 % 34 km/h 0.0 mm Extreme 51
25 Jul after 37.8 °C 29 % 36 km/h 0.0 mm Very high 45
26 Jul after 33.5 °C 33 % 50 km/h 0.0 mm Very high 48
27 Jul after 32.8 °C 34 % 40 km/h 0.0 mm Very high 44
28 Jul after 30.1 °C 42 % 35 km/h 0.0 mm High 34
29 Jul after 32.6 °C 47 % 34 km/h 0.0 mm High 30
30 Jul after 34.1 °C 30 % 36 km/h 0.0 mm Very high 38
31 Jul after 34.3 °C 21 % 46 km/h 0.0 mm Extreme 50
1 Aug after 30.9 °C 40 % 45 km/h 0.0 mm Very high 41
2 Aug after 32.0 °C 33 % 45 km/h 0.0 mm Very high 40
3 Aug after 32.9 °C 27 % 36 km/h 0.0 mm Very high 39

Before and after, from space

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

Before · 17 Jul 2023
After · 31 Jul 2023

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 25 July 2023 the air beside the fire reached 28 µg/m³ of PM2.5. That day averaged 22: 1.4 times the WHO daily guideline (15).

PM2.5 peak28 µg/m³
Days over the guideline4 days
PM1064 µg/m³
Optical depth0.57
22232425262728
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 13Every 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 Italy ›

Frequently asked questions

How long did the Naro fire last?
Copernicus dates it between 24 July 2023 and 24 July 2023: 1 day between the first and last image with fire.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 344 hectares (3.4 km²). Official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Naro (271 ha, 1.3 %); Favara (74 ha, 0.9 %).
Did the fire reach a town?
The closest fire to a town centre came within 2.4 km of Favara. That is the distance to the perimeter or nearest hotspot; it does not mean it entered the houses.
What was the weather like?
During the fire the temperature reached 38.1 °C, humidity dropped to 19 % and gusts hit 34 km/h. The fire danger index (FWI) reached 51, class Extreme.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Italy (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 · 1515

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 · 1515.

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 ADM4 (Creative Commons Attribution 3.0 License). 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.