PTC Iota - Nighttime Microphysics at 13.8°N - 89.5°W
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Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Nov 2020 - 1900 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Nov 2020 - 1910 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Nov 2020 - 1920 UTC
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Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Nov 2020 - 1940 UTC
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Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Nov 2020 - 2250 UTC
About Nighttime Microphysics
Nighttime Microphysics RGB The distinction between low clouds and fog in satellite imagery is challenging. While the difference between the 10.4 and 3.9 μm channels has been a regularly applied product to meet aviation forecast needs, the Nighttime Microphysics (NtMicro) RGB adds another channel difference (12.4- 10.4 μm) as a proxy to cloud thickness and repeats the use of the 10.4 μm thermal channel to enhance areas of warm (i.e. low) clouds where fog is more likely. The NtMicro RGB is also an efficient tool to quickly identify other cloud types in the mid and upper atmosphere.
While derived from operational satellites, the data, products, and imagery available on this website are intended for informational purposes only. This website is supported on a Monday-Friday basis, so outages may occur without notice and may not be immediately resolved. Neither the website nor the data displayed herein are considered operational, and should not be used to support operational observation, forecasting, emergency, or other disaster mitigation or response operations, either public or private.