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3 Dec 2024 - 18:45 UTC
Post-tropical Cyclone Julian - Nighttime Microphysics at 38.1°N - 41.9°W
To enlarge, pause animation & click the image. Hover over popups to zoom. Use slider to navigate. Apparent 'jumps' in the animation occur due to adjustments to reflect storm movement.
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Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0600 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0610 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0620 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0630 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0640 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0700 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0710 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0720 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0730 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0740 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0800 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0810 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0820 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0830 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0840 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0900 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0910 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0920 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0930 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 0940 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 1000 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 1010 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 1020 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 30 Aug 2021 - 1030 UTC
This RGB will be phased out around 1 Feb 2023 and will be replaced by the Day Night Cloud Micro Combo RGB.
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.
