How long did the Compartment 4 fire last?

According to the heat detections seen by satellite inside the perimeter, it burned from 6 February 2018 to 14 February 2018 (9 days). The perimeter dates it from 12 February 2018 to 12 February 2018.

How much area did it burn?

The official perimeter published by United States agencies (MTBS / NIFC) is 705 hectares (7.0 km²). Other tallies, such as daily incident reports, may give slightly different figures.

Which counties burned?

The fire only entered Collier (704 ha, 0.1 %).

What was the weather like?

During the fire the temperature reached 30.5 °C, humidity dropped to 41 % and gusts hit 48 km/h. The fire danger index (FWI) reached 14, class Moderate.

Where does this data come from?

From the official burnt perimeter of United States agencies (MTBS / NIFC, public domain), NASA FIRMS VIIRS hotspots and the administrative boundaries of United States. It is not an official report.

US · United States · 2018-02-06 → 2018-02-14

Compartment 4 Fire, February 2018 Collier

Out · last detection 14 Feb 2018, 06:55 UTC

The fire started on 6 February 2018 in Collier, United States, and satellites saw it burning for 9 days. United States agencies (MTBS / NIFC) mapped an official burnt perimeter of 705 hectares, spread across a single county.

It is the 93th largest in Florida since 2016 (of 148 with a page). Number 405 in United States in 2018, of 511.

Compare with…

Suggestions: Panther · 2016 116Th Ave Se (11) · 2018 Lee Williams Rd · 2017 National · 2026

Burnt area: 705ha; official perimeter (MTBS / NIFC)
Duration: 9days; 6 Feb 2018 – 14 Feb 2018
Municipalities hit: 1; counties
Started on: 6 Feb; 2018
Heat detections: 23; in a single hotspot: 241 MW
Danger at start: 11; Low · FWI index
Average daily power: 248MW; detected power per day, on average

HOTSPOTS BY DAY 6 Feb14 Feb

Play back 14 Feb 2018

How it evolved, day by day

6 Feb 12 Feb 13 Feb 14 Feb

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

The weather it burned in

30°high

48km/h · peak gust

41%lowest humidity

It had gone 7 days without rain (1 mm or more) when it started.

This area had burned before

23% of the perimeter overlaps earlier fires recorded since 2016: 68 ha in 2016, 97 ha in 2017.

68 ha Panther fire, July 2016 431 ha in total; the hectares shown are those it shares with this fire

How big is it?

It burned the equivalent of 0.4% of the area of London (7.0 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

Collier where it started

704 ha reached on 6 Feb

0.1 %

Burnt area inside each county, 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.

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)
6 Feb	29.2 °C	45 %	34 km/h	0.0 mm	Low 11
7 Feb	29.3 °C	52 %	40 km/h	0.0 mm	Moderate 13
8 Feb	30.0 °C	46 %	24 km/h	0.3 mm	Low 10
9 Feb	29.2 °C	50 %	37 km/h	1.2 mm	Low 8
10 Feb	30.2 °C	41 %	38 km/h	0.0 mm	Moderate 14
11 Feb	29.8 °C	60 %	48 km/h	0.1 mm	Moderate 13
12 Feb	30.5 °C	46 %	35 km/h	0.0 mm	Moderate 14
13 Feb	30.1 °C	44 %	28 km/h	0.6 mm	Moderate 13
14 Feb	29.9 °C	45 %	30 km/h	0.1 mm	Moderate 13
15 Feb after	30.3 °C	31 %	28 km/h	0.0 mm	Moderate 17
16 Feb after	28.6 °C	39 %	31 km/h	0.0 mm	Moderate 18
17 Feb after	29.2 °C	37 %	31 km/h	0.0 mm	Moderate 19
18 Feb after	31.1 °C	33 %	26 km/h	0.1 mm	Moderate 18
19 Feb after	28.6 °C	53 %	45 km/h	0.1 mm	Moderate 20
20 Feb after	32.0 °C	37 %	46 km/h	0.0 mm	High 23
21 Feb after	31.0 °C	38 %	44 km/h	0.0 mm	High 23
22 Feb after	29.2 °C	48 %	40 km/h	0.5 mm	Moderate 21
23 Feb after	30.0 °C	39 %	42 km/h	0.1 mm	High 22
24 Feb after	30.1 °C	45 %	40 km/h	0.1 mm	Moderate 21

Before and after, from space

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

↔

Before · 30 Jan 2018

After · 21 Feb 2018

Before After

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 · 23Every 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 time	Satellite	FRP (MW)	Lat	Lon

Other fires nearby

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Frequently asked questions

How long did the Compartment 4 fire last?: According to the heat detections seen by satellite inside the perimeter, it burned from 6 February 2018 to 14 February 2018 (9 days). The perimeter dates it from 12 February 2018 to 12 February 2018.
How much area did it burn?: The official perimeter published by United States agencies (MTBS / NIFC) is 705 hectares (7.0 km²). Other tallies, such as daily incident reports, may give slightly different figures.
Which counties burned?: The fire only entered Collier (704 ha, 0.1 %).
What was the weather like?: During the fire the temperature reached 30.5 °C, humidity dropped to 41 % and gusts hit 48 km/h. The fire danger index (FWI) reached 14, class Moderate.
Where does this data come from?: From the official burnt perimeter of United States agencies (MTBS / NIFC, public domain), NASA FIRMS VIIRS hotspots and the administrative boundaries of United States. 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

NASA FIRMS ↗
NIFC · Fire maps ↗

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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What do you think is wrong?

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What really happened?

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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: MTBS (US Geological Survey and US Forest Service), official.
Dates adjusted with the VIIRS detections inside the perimeter, which said 12 February 2018 to 12 February 2018. 23 Suomi-NPP VIIRS detections on those dates.
We have not matched this page with any official record.
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 is official and in the public domain. For past years it comes from MTBS (Monitoring Trends in Burn Severity), run by the U.S. Geological Survey and the USDA Forest Service, which map it on Landsat and Sentinel-2 imagery. For the current and last year it comes from WFIGS at the National Interagency Fire Center (NIFC): incident perimeters mapped by fire crews, aircraft and imagery. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. County boundaries come from geoBoundaries ADM2 (Public Domain). The area per county is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from official figures.

Where it burned