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Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1440 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1450 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1500 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1510 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1520 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1530 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1540 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1550 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1600 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1610 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1630 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1640 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1650 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1700 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1710 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1720 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1730 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1740 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1750 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1800 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1810 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1820 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1830 UTC
Fire Temperature - RGB used to highlight fires - 18 Apr 2024 - 1840 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.
