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27 Sep 2021 - 19:38 EDT
27 Sep 2021 - 23:38 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 - 28 May 2020 - 2220 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2220 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2230 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2230 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2250 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2250 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2300 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2300 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2310 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2310 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2320 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2320 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2330 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2330 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2350 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 May 2020 - 2350 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0000 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0000 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0030 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0030 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0050 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0050 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0120 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0120 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0130 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0130 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0140 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0140 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0150 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0150 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0200 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0200 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0220 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0220 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0230 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0230 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0240 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0240 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0300 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0300 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0310 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0310 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0320 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0320 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0340 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 29 May 2020 - 0340 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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