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7 Dec 2024 - 09:46 EST
7 Dec 2024 - 14:46 UTC

Post-tropical Cyclone Marco - GeoColor at 28.8°N - 91.2°W

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GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1440 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1440 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1450 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1450 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1500 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1500 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1510 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1510 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1530 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1530 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1540 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1540 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1550 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1550 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1600 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1600 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1610 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1610 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1620 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1620 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1640 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1640 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1650 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1650 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1700 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1700 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1710 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1710 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1720 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1720 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1730 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1730 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1740 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1740 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1750 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1750 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1800 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1800 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1810 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1810 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1820 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1820 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1830 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1830 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1840 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1840 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1850 UTC
GeoColor - True Color daytime, multispectral IR at night - 25 Aug 2020 - 1850 UTC

GeoColor is a multispectral product composed of True Color (using a simulated green component) during daytime, and an Infrared product that uses bands 7 and 13 at night. During the day, the imagery looks approximately as it would when viewed with human eyes from space. At night, the blue colors represent liquid water clouds such as fog and stratus, while gray to white indicate higher ice clouds, and the city lights come from a static database derived from the VIIRS Day Night Band.

GeoColor was developed at the Cooperative Institute for Research in the Atmosphere (CIRA) and the STAR Regional and Mesoscale Meteorology Branch (RAMMB). For a full description of the algorithm, please see this article.

Please credit CIRA/NOAA when using GeoColor imagery.

NOTE: Lighted areas shown in nighttime images are not real-time depictions of city lights. The layer is derived from a compilation of JPSS VIIRS Day Night Band images and is included for orientation purposes.

• For more details, see the CIRA GeoColor Product Quick Guide, (PDF, 1.24 MB)