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Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0630 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0640 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0650 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0700 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0710 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0720 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0730 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0740 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0750 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0800 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0810 UTC
Fire Temperature - RGB used to highlight fires - 21 Nov 2024 - 0820 UTC
Fire Temperature key:
1 - Warm fire 2 - Very warm fire 3 - Hot fire 4 - Very hot fire 5 - Burn scars 6 - Clear sky: land 7 - Clear sky: water/snow/night 8 - Water clouds 9 - Ice clouds
Fire Temperature RGB allows the user to identify where the most intense fires are occurring and differentiate these from "cooler" fires. The RGB takes advantage of the fact that from 3.9µm to shorter wavelengths, background solar radiation and surface reflectance increases. This means that fires need to be more intense in order to be detected by the 2.2 and 1.6µm bands, as more intense fires emit more radiation at these wavelengths. Therefore, small/"cool" fires will only show up at 3.9µm and appear red while increases in fire intensity cause greater contributions of the other channels resulting in white very intense fires.
