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18 May 2021 - 01:12 EDT
18 May 2021 - 05:12 UTC

- Nighttime Microphysics at ° - °

24 frame animation displayed.

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.

  

  
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0530 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0530 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0540 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0540 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0550 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0550 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0600 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0600 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0610 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0610 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0630 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0630 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0640 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0640 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0650 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0650 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0700 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0700 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0710 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0710 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0720 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0720 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0800 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0800 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0810 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0810 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0830 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0830 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0900 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0900 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0920 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0920 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0930 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0930 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0950 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 0950 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1000 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1000 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1010 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1010 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1040 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1040 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1050 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1050 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1110 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 26 Oct 2020 - 1110 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.

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

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