Notice:
This site has successfully transitioned the image data source from GOES-16 to
GOES-19. There are some remaining anomalies in the production of mesoscale
geocolor images which are being investigated. Everything else should be operating
as expected. Please contact:
NESDIS.STAR.webmaster@noaa.gov if you have any questions.
1 May 2025 - 00:07 EDT
1 May 2025 - 04:07 UTC
Tropical Depression Imelda - Nighttime Microphysics at 29.8°N - 95.5°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.
While GOES animation code will not run on older Internet Explorer browsers,
they work in the newest versions of Microsoft Edge. If you are using
Internet Explorer, please try a different browser: Chrome, Firefox, Safari, or
MS Edge are all supported.
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0500 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0510 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0520 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0530 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0540 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0550 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0600 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0610 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0620 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0630 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0640 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0650 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0700 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0710 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0720 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0730 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0740 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0750 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0800 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0810 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0820 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0830 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0840 UTC
Nighttime Microphysics - RGB used to distinguish clouds from fog - 18 Sep 2019 - 0850 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.
