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14 Jun 2024 - 11:25 EDT
14 Jun 2024 - 15:25 UTC

GOES-East Mesoscale view - Day Cloud Phase / Night Microphysics at 34°N - 84°W - Gwinnett County, GA

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Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0828 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0828 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0829 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0829 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0830 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0830 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0831 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0831 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0832 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0832 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0833 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0833 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0834 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0834 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0835 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0835 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0836 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0836 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0837 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0837 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0838 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0838 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0839 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0839 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0840 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0840 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0841 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0841 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0842 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0842 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0843 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0843 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0844 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0844 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0845 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0845 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0846 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0846 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0847 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0847 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0848 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0848 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0849 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0849 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0850 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0850 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0851 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0851 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0852 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0852 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0853 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0853 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0854 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0854 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0855 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0855 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0856 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0856 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0857 UTC
Day Cloud Phase / Night Microphysics - Day: show phase of cloud tops; night: distinguish clouds from fog - 28 May 2024 - 0857 UTC
legend for Day Night Cloud Micro Combo RBG

Day Cloud Phase key:

1 - Low level clouds with water droplets (cyan, lavender)
2 - Glaciating clouds (green)
3 - Snow (shades of green)
4 - Thick high level clouds with ice particles (yellow)
5 - Thin mid level clouds with water droplets (magenta)
6 - Thin high-level clouds with ice particles (red-orange)
7 - Land surface (shades of blue)
8 - Water surface (black)

Night Microphysics key:

1 - Fog (dull aqua to gray)
2 - Very low, warm cloud (aqua)
3 - Low, cool, cloud (bright green)
4 - Mid water cloud (light green)
5 - Mid, thick, water/ice cloud (tan)
6 - High, thin, ice cloud (dark blue)
7 - High, very thin, ice cloud (purple)
8 - High, thick cloud (dark red)
9 - High, thin cloud (near black)
10 - High, thick, very cold cloud (red/yellow, noisy)


The STAR GOES Imagery Site team has developed the Day Night Cloud Micro Combo product to more efficiently deliver the observational value of both the Day Cloud Phase Distinction & Night Microphysics RGB products.

Daytime: Day Cloud Phase RGB The daytime period of this RGB helps evaluate the phase of cooling cloud tops to monitor convective initiation, storm growth, and decay. It can also be used to identify snow on the ground. The Day Cloud Phase Distinction RGB takes advantage of cloud reflectance differences between the visible and near infrared channels and temperature variances between land and clouds in the infrared to provide increased contrast between background surfaces and phases of clouds (i.e., water vs. ice). Due to its reliance on visible bands 2 and 5, it is only usable during daylight hours. This composite was developed by the Japan Meteorological Agency (JMA) for Himawari-8. Interpretation is still under investigation.

Nighttime: 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 Day Night Cloud Micro Combo Product Guide, (PDF, 2.87 MB)