NOAA GOES Image Viewer website
27 Jan 2023 - 22:52 EST
28 Jan 2023 - 03:52 UTC

GOES-West - Sector view: Pacific Southwest - Nighttime Microphysics

1 hour loop - 12 images - 5 minute update

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Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0251 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0251 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0256 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0256 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0301 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0301 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0306 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0306 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0311 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0311 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0316 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0316 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0321 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0321 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0326 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0326 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0331 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0331 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0336 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0336 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0341 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0341 UTC Latitude / Longitude grid
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0346 UTC
Nighttime Microphysics - RGB to distinguish clouds from fog - 28 Jan 2023 - 0346 UTC Latitude / Longitude grid

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)