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Category: Air quality

Aerosols blowing from Mount St. Helens

GOES-17 captured ash blowing off Mount St. Helens in Washington State, which erupted over forty years ago. The blowing debris can be seen from the GOES-17 ABI in this true color animation from 13:00 UTC to 16:50 UTC on 8-3-2022. ... Read More

The Electra Fire in California

The Electra Fire near Jackson, California began on the afternoon of 2022-07-04 and can be observed with GOES-West (GOES-17) satellite imagery on RealEarth. The fire produced pyrocumulonimbus clouds, or pyroCb, which are storm clouds that start due to fire conditions.As of 2022-07-05 at 15:00 UTC, the... Read More

Pyrocumulonimbus clouds in Alaska

A sequence of Suomi-NPP VIIRS Visible (0.64 µm), Shortwave Infrared (3.74 µm) and Infrared Window (11.45 µm) images at 2149 UTC and 2332 UTC (above) showed “before” and “after” views of a  pyrocumulonimbus (pyroCb) cloud that developed south of McGrath, Alaska late in the day on 11 June 2022. The... Read More