1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.35 µm), GLM Flash Extent Density and “Red” Visible (0.64 µm) images (above) showed Hurricane Eta as it was rapidly intensifying from a Category 2 to a Category 4 storm on 02 November 2020. For a few hours there was notable lightning activity within the inner eyewall of Eta.GOES-16 Longwave Infrared (11.2 µm)... Read More

1-minute Mesoscale Domain Sector GOES-17 (GOES-West) “Red” Visible (0.64 µm) and Dust Red-Green-Blue (RGB) images (above) showed the signature of a plume of re-suspended volcanic ash — originating from the region of the Novarupta volcano in Alaska — being transported southeastward across the Shelikof Strait toward Kodiak Island on 02 November 2020. The Read More

Typhoon Goni hit the Phillipines as a major typhoon on 31 October.  Since then, an increase in shear and the topography of Luzon have both weakened the storm significantly.   The mp4 animation above (click here as an mp4) shows 2.5-minute Himawari-8 Target imagery Infrared (10.41 µm, left) and visible (0.64 µm, right) imagery from 0122 through 1352 UTC on 2 November. ... Read More

GOES-16 (GOES-East) Mid-level Water Vapor (6.9 µm) images (above) showed the formation of a standing wave cloud along the Minnesota shoreline of Lake Superior, followed by the development of a sequence of standing waves over western Lake Superior on 01 November 2020. This cloud and subsequent wave features were formed by a vertically-propagating internal gravity wave... Read More