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Archive: Fri Apr 2022

Resuspended ash from the Novarupta-Katmai volcano in Alaska

1-minute Mesoscale Domain Sector GOES-17 (GOES-West) “Red” Visible (0.64 µm) images (above) showed a hazy plume of resuspended volcanic ash — from the 1912 eruption of Novarupta-Katmai — moving southeastward then eastward across the Shelikof Strait toward Kodiak Island in southern Alaska on 08 April 2022.The corresponding 1-minute GOES-17 Dust RGB images (below) displayed faint hues of... Read More

Tropical Cyclone Malakas in the western Pacific

The tropical disturbance (formerly 95W) in the western Pacific south of Guam (discussed here) has strengthened and become the second western Pacific named storm of the year: Malakas. The storm is about halfway between the islands of Guam and New Guinea. The side-by-side imagery above, showing Himawari Band 3 and... Read More