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Gage Fire, November 2019 Ellis

Out · last detection 25 Mar 2020, 19:16 UTC

The fire started on 26 November 2019 in Ellis, United States, and satellites saw it burning for 121 days. United States agencies (MTBS / NIFC) mapped an official burnt perimeter of 3,187 hectares, spread across a single county.

It is the 45th largest in Oklahoma since 2016 (of 284 with a page). Number 87 in United States in 2019, of 367.

The power measured by the satellite is low (6.0 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

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Burnt area
3,187ha
official perimeter (MTBS / NIFC)
Duration
≈ 121days
26 Nov 2019 – 25 Mar 2020
Counties hit
1
counties
Started on
26 Nov
2019
Heat detections
2
in a single hotspot: 6 MW
Danger at start
37
High · FWI index
Average daily power
12MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 26 Nov25 Mar

How it evolved, day by day

25 Mar 2020 · 12 MW · 2

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

The weather it burned in

28°high
80km/h · peak gust
11%lowest humidity

It had gone 3 days without rain (1 mm or more) when it started. Rain came after the fire: 4.7 mm on 30 Mar.

This area had burned before

No earlier perimeters overlap this fire since 2016, when the satellite record begins.

How big is it?

10 km
It burned the equivalent of 2% of the area of London (32 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 county

  1. Ellis where it started
    3,200 ha reached on 25 Mar
    1.0 %

Burnt area inside each county, from crossing the official perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.

People and buildings inside the perimeter

GHSL 2020
Built-up area0.52 ha
Residents< 20

Inside the perimeter there were about 0.52 hectares of built-up land and almost nobody lived there (GHSL 2020, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

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)
26 Nov 14.4 °C 11 % 80 km/h 0.0 mm High 37
27 Nov 5.6 °C 35 % 44 km/h 0.0 mm Moderate 17
28 Nov 2.5 °C 55 % 41 km/h 7.6 mm Very low 0
29 Nov 6.5 °C 89 % 51 km/h 0.4 mm Very low 0
30 Nov 13.9 °C 17 % 77 km/h 0.0 mm Low 9
1 Dec 9.7 °C 30 % 63 km/h 0.0 mm Low 10
2 Dec 12.3 °C 26 % 48 km/h 0.0 mm Moderate 13
3 Dec 17.7 °C 23 % 31 km/h 0.0 mm Moderate 12
4 Dec 15.5 °C 31 % 41 km/h 0.0 mm Moderate 15
5 Dec 16.0 °C 42 % 38 km/h 1.2 mm Low 7
6 Dec 8.7 °C 46 % 45 km/h 0.0 mm Low 9
7 Dec 14.6 °C 34 % 51 km/h 0.0 mm Moderate 14
8 Dec 16.4 °C 39 % 50 km/h 0.0 mm Moderate 15
9 Dec 9.8 °C 37 % 59 km/h 0.0 mm Moderate 16
10 Dec 9.1 °C 25 % 28 km/h 0.0 mm Moderate 12
11 Dec 12.1 °C 42 % 63 km/h 0.0 mm Moderate 19
12 Dec 12.5 °C 33 % 67 km/h 0.0 mm Moderate 21
13 Dec 15.2 °C 31 % 20 km/h 0.0 mm Low 10
14 Dec 7.6 °C 45 % 35 km/h 0.0 mm Moderate 11
15 Dec -0.8 °C 77 % 34 km/h 0.8 mm Very low 5
16 Dec 1.8 °C 68 % 40 km/h 3.5 mm Very low 0
17 Dec 7.6 °C 27 % 32 km/h 0.0 mm Very low 2
18 Dec 13.7 °C 14 % 35 km/h 0.0 mm Low 9
19 Dec 12.1 °C 15 % 50 km/h 0.0 mm Moderate 18
20 Dec 9.2 °C 30 % 42 km/h 0.0 mm Moderate 16
21 Dec 12.3 °C 29 % 24 km/h 0.0 mm Moderate 12
22 Dec 14.4 °C 30 % 34 km/h 0.0 mm Moderate 15
23 Dec 18.3 °C 19 % 39 km/h 0.0 mm Moderate 20
24 Dec 20.9 °C 19 % 55 km/h 0.0 mm High 26
25 Dec 19.7 °C 27 % 53 km/h 0.2 mm High 25
26 Dec 10.2 °C 40 % 34 km/h 0.0 mm Moderate 15
27 Dec 6.3 °C 67 % 42 km/h 2.4 mm Very low 2
28 Dec 12.6 °C 40 % 72 km/h 17.0 mm Very low 0
29 Dec 4.7 °C 45 % 59 km/h 0.0 mm Very low 3
30 Dec 6.3 °C 31 % 53 km/h 0.0 mm Very low 4
31 Dec 10.2 °C 32 % 41 km/h 0.0 mm Low 6
1 Jan 14.3 °C 28 % 54 km/h 0.0 mm Moderate 13
2 Jan 11.4 °C 44 % 38 km/h 0.0 mm Low 10
3 Jan 10.7 °C 32 % 45 km/h 0.0 mm Low 11
4 Jan 12.0 °C 37 % 45 km/h 0.0 mm Moderate 12
5 Jan 12.6 °C 27 % 46 km/h 0.0 mm Moderate 17
6 Jan 11.8 °C 19 % 44 km/h 0.0 mm Moderate 16
7 Jan 14.8 °C 21 % 42 km/h 0.0 mm Moderate 15
8 Jan 14.4 °C 24 % 68 km/h 0.0 mm High 25
9 Jan 15.4 °C 24 % 70 km/h 0.0 mm High 27
10 Jan 6.9 °C 58 % 62 km/h 1.4 mm Low 6
11 Jan 1.5 °C 46 % 54 km/h 0.0 mm Low 8
12 Jan 8.3 °C 33 % 52 km/h 0.0 mm Low 11
13 Jan 13.6 °C 32 % 48 km/h 0.0 mm Moderate 13
14 Jan 19.0 °C 25 % 46 km/h 0.0 mm Moderate 18
15 Jan 9.2 °C 35 % 44 km/h 0.0 mm Moderate 16
16 Jan -1.0 °C 49 % 33 km/h 3.9 mm Very low 0
17 Jan 9.3 °C 51 % 57 km/h 4.1 mm Very low 1
18 Jan 8.8 °C 29 % 54 km/h 0.0 mm Very low 4
19 Jan 9.3 °C 32 % 32 km/h 0.0 mm Very low 4
20 Jan 11.3 °C 39 % 31 km/h 0.0 mm Low 6
21 Jan 5.7 °C 54 % 58 km/h 2.7 mm Very low 2
22 Jan 9.5 °C 65 % 55 km/h 1.8 mm Very low 2
23 Jan 10.7 °C 30 % 55 km/h 0.2 mm Very low 5
24 Jan 9.8 °C 33 % 25 km/h 0.0 mm Very low 4
25 Jan 12.5 °C 55 % 24 km/h 0.1 mm Very low 4
26 Jan 15.7 °C 35 % 24 km/h 0.0 mm Low 6
27 Jan 15.9 °C 48 % 41 km/h 0.2 mm Low 9
28 Jan 5.4 °C 85 % 44 km/h 24.7 mm Very low 0
29 Jan 0.9 °C 82 % 20 km/h 0.0 mm Very low 0
30 Jan 5.9 °C 63 % 27 km/h 0.0 mm Very low 0
31 Jan 8.7 °C 31 % 38 km/h 0.0 mm Very low 1
1 Feb 19.3 °C 23 % 39 km/h 0.0 mm Low 5
2 Feb 26.0 °C 19 % 46 km/h 0.0 mm Moderate 17
3 Feb 14.1 °C 27 % 52 km/h 0.0 mm Moderate 17
4 Feb -2.5 °C 61 % 48 km/h 0.0 mm Low 8
5 Feb -0.5 °C 45 % 46 km/h 0.0 mm Low 8
6 Feb 7.2 °C 25 % 38 km/h 0.0 mm Low 8
7 Feb 8.2 °C 38 % 39 km/h 0.0 mm Low 8
8 Feb 13.0 °C 36 % 59 km/h 0.0 mm Moderate 14
9 Feb 8.9 °C 41 % 59 km/h 0.0 mm Moderate 14
10 Feb 2.5 °C 55 % 27 km/h 2.2 mm Very low 1
11 Feb 5.0 °C 44 % 34 km/h 0.6 mm Very low 1
12 Feb 4.8 °C 65 % 44 km/h 3.7 mm Very low 0
13 Feb -0.8 °C 39 % 48 km/h 0.0 mm Very low 1
14 Feb 5.1 °C 48 % 61 km/h 0.0 mm Very low 4
15 Feb 11.2 °C 44 % 68 km/h 0.0 mm Low 8
16 Feb 12.9 °C 55 % 24 km/h 0.0 mm Very low 4
17 Feb 13.8 °C 34 % 32 km/h 0.0 mm Low 8
18 Feb 7.7 °C 34 % 38 km/h 0.0 mm Low 8
19 Feb 7.0 °C 35 % 36 km/h 0.1 mm Low 7
20 Feb 0.3 °C 60 % 42 km/h 1.1 mm Very low 3
21 Feb 9.8 °C 39 % 50 km/h 0.0 mm Low 6
22 Feb 15.6 °C 40 % 44 km/h 0.0 mm Low 9
23 Feb 16.7 °C 55 % 55 km/h 2.9 mm Very low 2
24 Feb 10.8 °C 52 % 62 km/h 2.6 mm Very low 2
25 Feb 4.6 °C 43 % 65 km/h 2.2 mm Very low 2
26 Feb 4.2 °C 34 % 55 km/h 0.0 mm Very low 3
27 Feb 14.8 °C 22 % 50 km/h 0.0 mm Low 9
28 Feb 17.3 °C 19 % 42 km/h 0.0 mm Moderate 12
29 Feb 22.7 °C 13 % 61 km/h 0.0 mm High 24
1 Mar 20.0 °C 26 % 55 km/h 0.0 mm High 22
2 Mar 12.4 °C 38 % 39 km/h 0.0 mm Moderate 12
3 Mar 16.3 °C 22 % 24 km/h 0.0 mm Moderate 13
4 Mar 15.3 °C 15 % 34 km/h 0.0 mm Moderate 15
5 Mar 15.7 °C 19 % 46 km/h 0.0 mm Moderate 21
6 Mar 19.1 °C 15 % 49 km/h 0.0 mm High 25
7 Mar 20.6 °C 19 % 70 km/h 0.0 mm High 33
8 Mar 15.1 °C 43 % 72 km/h 1.9 mm Low 10
9 Mar 13.7 °C 52 % 63 km/h 6.3 mm Very low 2
10 Mar 21.4 °C 40 % 49 km/h 0.0 mm Low 6
11 Mar 20.8 °C 32 % 53 km/h 0.0 mm Moderate 14
12 Mar 22.7 °C 25 % 53 km/h 0.0 mm Moderate 20
13 Mar 9.1 °C 56 % 45 km/h 9.5 mm Very low 0
14 Mar 7.1 °C 79 % 43 km/h 5.5 mm Very low 0
15 Mar 6.3 °C 71 % 45 km/h 5.6 mm Very low 0
16 Mar 14.7 °C 70 % 36 km/h 0.8 mm Very low 0
17 Mar 8.6 °C 96 % 42 km/h 8.6 mm Very low 0
18 Mar 22.7 °C 37 % 44 km/h 0.4 mm Very low 1
19 Mar 21.4 °C 22 % 74 km/h 1.3 mm Low 9
20 Mar 7.1 °C 34 % 66 km/h 0.0 mm Low 10
21 Mar 10.1 °C 45 % 38 km/h 3.0 mm Very low 1
22 Mar 18.2 °C 46 % 36 km/h 1.0 mm Very low 1
23 Mar 16.1 °C 66 % 32 km/h 0.1 mm Very low 2
24 Mar 19.1 °C 45 % 38 km/h 8.8 mm Very low 0
25 Mar 28.2 °C 14 % 47 km/h 0.0 mm Moderate 12
26 Mar after 31.1 °C 20 % 46 km/h 0.0 mm Moderate 15
27 Mar after 24.9 °C 34 % 48 km/h 0.2 mm Moderate 16
28 Mar after 17.8 °C 22 % 81 km/h 0.0 mm High 31
29 Mar after 18.8 °C 21 % 37 km/h 0.0 mm Moderate 15
30 Mar after 14.9 °C 52 % 61 km/h 4.7 mm Very low 3

Before and after, from space

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

Before · 19 Nov 2019
After · 1 Apr 2020

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 · 2Every 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 United States ›

Frequently asked questions

How long did the Gage Fire last?
The official perimeter only gives the start date (26 November 2019). The end comes from the heat detections inside the perimeter: it burned until 25 March 2020 (121 days from 26 November 2019), the last day with detections before more than 10 days in a row without any, so it is approximate.
How much area did it burn?
The official perimeter published by United States agencies (MTBS / NIFC) is 3,187 hectares (31.9 km²). Other tallies, such as daily incident reports, may give slightly different figures.
Which counties burned?
The fire only entered Ellis (3,200 ha, 1.0 %).
What was the weather like?
During the fire the temperature reached 28.2 °C, humidity dropped to 11 % and gusts hit 80 km/h. The fire danger index (FWI) reached 37, class High.
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 · Emergency number and official warnings ›

Satellite cross-check

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

RSS Changes to this page

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 911.

How we know this
  • Perimeter: MTBS (US Geological Survey and US Forest Service), official.
  • The official perimeter has no end date: the end is the last day with VIIRS detections inside the perimeter before a gap of more than 10 days (150 days at most), so it is approximate. 2 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.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2020, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

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.