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Ascension fire, November 2026 Assumption, Ascension, Iberville

Burning · last detection 7 Nov 2026, 19:53 UTC

Satellites first detected fire on 3 November 2026 in Ascension, United States. It has been active for 5 days, with 35 heat detections and an area with fire of about 434 hectares rebuilt from them, spread across 3 counties.

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Suggestions: Ascension · 2026Lafourche · 2026

NIFC has not yet published the perimeter of this fire. For now the area is the one rebuilt from heat detections (about 14 hectares per pixel). When the perimeter arrives, this page picks it up on its own and keeps the same address.

Is it still active?

Satellites detected fire on 7 Nov 2026, 19:53 UTC. Everything suggests it is still burning. Satellites pass a few times a day and cloud or smoke can hide the fire: a lack of detections is not an official extinction. Each country’s emergency service declares a fire contained or out.

Area with fire
≈ 434ha
rebuilt from hotspots, no official perimeter yet
Duration
5days
3 Nov 2026 – 7 Nov 2026
Counties hit
3
counties
Started on
3 Nov
2026
Heat detections
35
in a single hotspot: 100 MW
Danger at start
4
Very low · FWI index
Average daily power
81MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 3 Nov7 Nov
7 Nov 2026

How it evolved, day by day

3 Nov 2026 · 14 MW · 4 4 Nov 2026 · 13 MW · 2 5 Nov 2026 · 39 MW · 7 6 Nov 2026 · 202 MW · 11 7 Nov 2026 · 134 MW · 11
3 Nov 4 Nov 5 Nov 6 Nov 7 Nov

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
30km/h · peak gust
45%lowest humidity

It had gone 0 days without rain (1 mm or more) when it started.

What happened to each county

  1. 252 ha reached on 3 Nov
    0.3 %
  2. Ascension where it started
    98 ha reached on 3 Nov
    0.1 %
  3. 84 ha reached on 3 Nov
    0.0 %

Area with fire inside each county, rebuilt from heat detections (about 14 hectares per VIIRS pixel). An estimate until NIFC publishes the official perimeter. 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.

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) · forecast models, provisional until the ERA5 reanalysis arrives

Day High Min. humidity Peak gust Rain Danger (FWI)
3 Nov 28.4 °C 61 % 30 km/h 0.5 mm Very low 4
4 Nov 26.9 °C 56 % 25 km/h 0.8 mm Low 6
5 Nov 25.8 °C 52 % 15 km/h 0.0 mm Low 8
6 Nov 25.8 °C 45 % 23 km/h 0.0 mm Moderate 14
7 Nov 23.4 °C 51 % 25 km/h 0.0 mm Moderate 14

Before and after, from space

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

Before · 27 Oct 2026
After · 7 Nov 2026

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 · 35Every 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 Ascension fire last?
According to the heat detections seen by satellite, it burned from 3 November 2026 to 7 November 2026 (5 days between the first and the last detection). There is no perimeter yet to date it.
How much area did it burn?
There is no official perimeter yet: NIFC has not published it. Heat detections rebuild about 434 hectares with fire (4.3 km²).
Which counties burned?
The fire entered 3 counties: Assumption (252 ha, 0.3 %); Ascension (98 ha, 0.1 %); Iberville (84 ha, 0.0 %).
Is the Ascension fire still active?
Yes: satellites detected fire on 7 Nov 2026, 19:53 UTC. Check the emergency service for the official status.
What was the weather like?
During the fire the temperature reached 28.4 °C, humidity dropped to 45 % and gusts hit 30 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 · Emergency number and official warnings

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 911.

How we know this
  • No perimeter yet: the area (≈ 434 ha) is estimated by counting VIIRS pixels with fire, about 14 ha each.
  • Dates of the first and last VIIRS detection of the cluster. 35 Suomi-NPP VIIRS detections on those dates.
  • Weather: ECMWF IFS model, provisional until the ERA5 reanalysis arrives.

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.