NOAA GOES Image Viewer website
21 May 2025 - 16:45 EDT
21 May 2025 - 20:45 UTC

GOES-19 - Sector view: Northern Rockies - Tropospheric Dust Content

GOES-East - Northern Rockies - Dust - We are working to restore image production as quickly as possible. Please refer to the other GOES imagery sites listed on our resources page. Thank you for your patience.

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Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1756 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1756 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1801 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1801 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1806 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1806 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1811 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1811 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1816 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1816 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1821 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1821 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1826 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1826 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1831 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1831 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1836 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1836 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1841 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1841 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1846 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1846 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1851 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1851 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1856 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1856 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1901 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1901 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1906 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1906 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1911 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1911 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1916 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1916 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1921 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1921 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1926 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1926 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1931 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1931 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1936 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1936 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1941 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1941 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1946 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1946 UTC Latitude / Longitude grid
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1951 UTC
Tropospheric Dust Content - RGB for identifying tropospheric dust - 21 May 2025 - 1951 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)