NOAA GOES Image Viewer website
27 May 2024 - 20:35 EDT
28 May 2024 - 00:35 UTC

GOES-East - Sector view: Great Lakes - Tropospheric Dust Content

1 hour loop - 12 images - 5 minute update

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Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2256 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2256 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2301 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2301 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2311 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2311 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2326 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2326 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2336 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2336 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2351 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2351 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2356 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 27 May 2024 - 2356 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0001 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0001 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0006 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0006 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0011 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0011 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0016 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0016 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0026 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 28 May 2024 - 0026 UTC Latitude / Longitude grid
legend for Dust RBG

Dust RGB key:

1 - Dust plume, day (bright magenta, pink) Note: Dust at night becomes purple shades below 3 km

2 - Low, water cloud (light purple)

3 - Desert surface, day (light blue)

4 - Mid, thick clouds (tan shades)

5 - Mid, thin cloud (green)

6 - Cold, thick clouds (red)

7 - High, thin ice clouds (black)

8 - Very thin clouds, over warm surface (blue)


Dust RGB Dust can be hard to see in visible and infrared imagery because it is optically thin, or because it appears similar to other cloud types such as cirrus. The RGB product is able to contrast airborne dust from clouds using band differencing and the IR thermal channel. The IR band differencing allows dust storms to be observed during both daytime and at night.

• For more details, see the Dust RGB Quick Guide, (PDF, 978 KB)