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24 Apr 2024 - 18:12 EDT
24 Apr 2024 - 22:12 UTC

Post-tropical Cyclone Jimena - Nighttime Microphysics at 17.9°N - 140.8°W

 « Storm overview »

24 frame animation displayed.

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

  

  

  
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0520 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0520 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0530 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0530 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0540 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0540 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0550 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0550 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0600 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0600 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0615 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0615 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0630 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0630 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0645 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0645 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0700 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0700 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0715 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0715 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0730 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0730 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0745 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0745 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0800 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0800 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0815 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0815 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0830 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0830 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0845 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0845 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0900 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0900 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0915 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0915 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0930 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0930 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0945 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 0945 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1000 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1000 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1015 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1015 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1030 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1030 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1045 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 07 Aug 2021 - 1045 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)