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Remnants of Karen - Nighttime Microphysics at 29.3°N - 58.5°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 used to distinguish clouds from fog - 28 Sep 2019 - 0100 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0110 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0120 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0130 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0140 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0150 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0200 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0210 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0220 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0230 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0240 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0250 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0300 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0310 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0320 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0330 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0340 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0350 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0400 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0410 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0420 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0430 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0440 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 28 Sep 2019 - 0450 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.