Active Fires As Observed by VIIRS, January-September 2021
- Visualizations by:
- Trent L. Schindler
- Scientific consulting by:
- Doug C. Morton
- View full credits
This visualization shows active fires as observed by the Visible Infrared Imaging Radiometer Suite, or VIIRS, between January 1 and September 24 2021. The VIIRS instrument flies on the Joint Polar Satellite System’s Suomi-NPP and NOAA-20 polar-orbiting satellites. Instruments on polar orbiting satellites typically observe a wildfire at a given location a few times a day as they orbit the Earth from pole to pole. VIIRS detects hot spots at a resolution of 375 meters per pixel, which means it can detect smaller, lower temperature fires than other fire-observing satellites. Its observations are about three times more detailed than those from the MODIS instrument, for example. VIIRS also provides nighttime fire detection capabilities through its Day-Night Band, which can measure low-intensity visible light emitted by small and fledgling fires. This visualization uses data from the Suomi-NPP VIIRS instrument, and will be updated periodically until the end of 2021.
Please give credit for this item to:
NASA's Scientific Visualization Studio
- Trent L. Schindler (USRA) [Lead]
- Doug C. Morton (NASA/GSFC) [Lead]
Datasets used in this visualization
Terra and Aqua BMNG (A.K.A. Blue Marble: Next Generation) (Collected with the MODIS sensor)
Credit: The Blue Marble data is courtesy of Reto Stockli (NASA/GSFC).
Dataset can be found at: http://earthobservatory.nasa.gov/Newsroom/BlueMarble/See more visualizations using this data set
Suomi NPP Fire Pixels (Collected with the VIIRS sensor)
Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.
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