NOAA GOES Image Viewer website
22 May 2024 - 04:08 EDT
22 May 2024 - 08:08 UTC

GOES-East - Sector view: Gulf of Mexico - Tropospheric Dust Content

1 hour loop - 12 images - 5 minute update

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Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0651 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0651 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0656 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0656 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0706 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0706 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0711 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0711 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0716 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0716 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0721 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0721 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0726 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0726 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0731 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0731 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0736 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0736 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0741 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0741 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0746 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0746 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0751 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 22 May 2024 - 0751 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)