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Na Noi fire, 12 April 2016 นาน้อย · Na Noi

Out · last detection 19 Apr 2016, 06:05 UTC

The fire started on 12 April 2016 in Na Noi, Thailand, and satellites saw it burning for 8 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,042 hectares from heat detections, spread across a single municipality.

It is the 174th largest in Nan Province since 2016 (of 189 with a page). Number 353 in Thailand in 2016, of 387.

The power measured by the satellite is low (25.6 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Compare with…

Suggestions: Na Muen · 2026Song · 2026Wiang Sa · 2026Na Noi · 2026

Burnt area
1,042ha
GWIS perimeter (Copernicus)
Duration
8days
12 Apr 2016 – 19 Apr 2016
Municipalities hit
1
districts
Started on
12 Apr
2016
Heat detections
25
in a single hotspot: 26 MW
Danger at start
39
Very high · FWI index
Average daily power
22MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 12 Apr19 Apr
19 Apr 2016

How it evolved, day by day

12 Apr 2016 · 5 MW · 1 13 Apr 2016 · 48 MW · 5 14 Apr 2016 · 18 MW · 5 15 Apr 2016 · 17 MW · 8 16 Apr 2016 · 34 MW · 5 19 Apr 2016 · 7 MW · 1
12 Apr 13 Apr 14 Apr 15 Apr 16 Apr 19 Apr

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

The weather it burned in

40°high
37km/h · peak gust
26%lowest humidity

It had gone 9 days without rain (1 mm or more) when it started.

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 0.7% of the area of London (10 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

  1. Na Noi นาน้อย where it started
    1,048 ha reached on 12 Apr
    0.9 %

Burnt area inside each municipality, from crossing the GWIS 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 2015
Built-up area< 0.1 ha
Residents< 20

Inside the perimeter there was no noticeable built-up land and almost nobody lived there (GHSL 2015, 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)
12 Apr 39.8 °C 27 % 37 km/h 0.0 mm Very high 39
13 Apr 39.4 °C 30 % 35 km/h 0.1 mm High 37
14 Apr 39.7 °C 30 % 36 km/h 0.0 mm Very high 38
15 Apr 39.9 °C 27 % 37 km/h 0.0 mm Very high 39
16 Apr 39.4 °C 26 % 36 km/h 0.0 mm Very high 39
17 Apr 40.3 °C 24 % 35 km/h 0.0 mm Very high 39
18 Apr 38.3 °C 34 % 33 km/h 0.2 mm Very high 39
19 Apr 37.6 °C 37 % 40 km/h 0.6 mm High 31
20 Apr after 38.6 °C 26 % 35 km/h 0.2 mm Very high 39
21 Apr after 37.4 °C 36 % 39 km/h 0.1 mm High 37
22 Apr after 37.2 °C 34 % 45 km/h 0.0 mm Very high 40
23 Apr after 37.6 °C 33 % 44 km/h 0.1 mm Very high 40
24 Apr after 38.3 °C 31 % 38 km/h 0.0 mm High 38
25 Apr after 37.4 °C 34 % 38 km/h 0.2 mm High 37
26 Apr after 39.3 °C 30 % 32 km/h 0.0 mm High 36

Before and after, from space

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

Before · 5 Apr 2016
After · 26 Apr 2016

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 · 25Every 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 Thailand ›

Frequently asked questions

How long did the Na Noi fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 12 April 2016 to 19 April 2016 (8 days). The perimeter dates it from 12 April 2016 to 16 April 2016.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 1,042 hectares (10.4 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Na Noi (1,048 ha, 0.9 %).
What was the weather like?
During the fire the temperature reached 39.9 °C, humidity dropped to 26 % and gusts hit 37 km/h. The fire danger index (FWI) reached 39, class Very high.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Thailand (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: 199 · 191 · Emergency number and official warnings ›

Satellite cross-check

History of this page · 1 Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
  1. Last day with fire: 16 April 2016 → 19 April 2016.

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 199 · 191.

How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 12 April 2016 to 16 April 2016. 25 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 2015, 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 comes from the Copernicus Global Wildfire Information System (GWIS), which rebuilds it from MODIS and VIIRS heat detections and publishes it under CC BY 4.0. It is not measured on imagery as in Europe, so it is an estimate. 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 ADM2 (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ from each country’s official figure.