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9 Dec 2024 - 18:08 EST
9 Dec 2024 - 23:08 UTC

Remnants of Fernand - Nighttime Microphysics at 25.0°N - 99.0°W

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24 frame animation displayed.

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Apparent 'jumps' in the animation occur due to adjustments to reflect storm movement.

  

  

  
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0750 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0750 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0800 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0800 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0820 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0820 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0830 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0830 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0840 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0840 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0850 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0850 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0900 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0900 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0910 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0910 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0920 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0920 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0930 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0930 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0940 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0940 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0950 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 0950 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1000 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1000 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1010 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1010 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1020 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1020 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1030 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1030 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1040 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1040 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1050 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1050 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1110 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1110 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1120 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1120 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1130 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1130 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1140 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1140 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1150 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 05 Sep 2019 - 1150 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.

• For more details, see the Nighttime Microphysics RGB Quick Guide, (PDF, 1.41 MB)