1. Earth Observation Data
  2. LANCE: NASA Near Real-Time Data and Imagery
  3. Fire Information for Resource Management System (FIRMS)

Fire Information for Resource Management System (FIRMS)

IMPORTANT: FTP switch to HTTPS - Please update your download scripts

The FTP site used to download FIRMS TXT files is switching to HTTPS on November 5th
A new HTTPS page https://nrt4.modaps.eosdis.nasa.gov is available for testing.

For scripted/automatic downloads please the instructions at https://nrt4.modaps.eosdis.nasa.gov/help/downloads.

NASA's Fire Information for Resource Management System (FIRMS) distributes Near Real-Time (NRT) active fire data within 3 hours of satellite overpass from NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) and NASA's Visible Infrared Imaging Radiometer Suite (VIIRS).

MODIS Active Fire Products

MODIS Active Fire Products

Collection 6 has been available since September 2015. Find out more about the most recent MODIS version. MODIS NRT active fire products (MCD14DL) are processed using the standard MOD14/MYD14 Fire and Thermal Anomalies product. Each MODIS active fire location represents the center of a 1km pixel that is flagged by the algorithm as containing one or more fires within the pixel.

VIIRS Active Fire Products

VIIRS Active Fire Products

Note: False fires reported due to super heated smoke plume in nighttime detections (3 August 2018)

New: VIIRS NRT 375 m active fire products (VNP14IMGTDL_NRT) complements MODIS fire detections but the improved spatial resolution of the 375 m data provides a greater response over fires of relatively small areas.The 375 m data also has improved nighttime performance. More...

Please note, in an effort to standardize VIIRS file names, the short name for VIIRS NRT 375 m product was changed from VNP14IMGT to VNP14IMGTDL_NRT (18 April 2016).

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FIRMS News

3 August 2018: During the recent California fires some spurious VIIRS night time fire detections have been picked up due to super heated smoke plumes combined with a high view angle. An explanation for these events can be found here. Such incidents are rare but we suggest you exercise caution when displaying the VIIRS night time fires.

More Information

Last Updated: Oct 19, 2018 at 1:02 PM EDT