1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Infrared Window images (above) showed Category 2 Hurricane Lowell as its center moved northward and passed about 40 miles west of the Hawaiian island of Ni’ihau on 08 September 2026. While sparse, 1-minute GOES-18 GLM Flash Points did indicate that some intermittent lightning activity was... Read More
JMA Himawari-9 Ash RGB images created using Geo2Grid (above) showed a major eruption of Anak Krakatau in Indonesia, which began around 1620 UTC on 04 September 2026. A middle-tropospheric volcanic ash cloud (depicted by shades of red to magenta) remained closer to the volcano — while an upper-tropospheric SO2 cloud (shades of... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible images (above) revealed mesovortices within the eye of Hurricane Lowell as it reached Category 5 intensity over the Central Pacific by 2100 UTC on 02 September 2026. Plots of 1-minute GOES-18 GLM Flash Points highlighted the intermittent lighting activity within the surrounding eyewall.A larger-scale view... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible and Infrared Window images (above) showed Tropical Storm Edouard as it made landfall in far southwestern Louisiana at 1920 UTC on 01 September 2026. Plots of 1-minute GOES-19 GLM Flash Points highlighted the intermittent lightning activity associated with Edouard. Pulses of overshooting tops exhibited infrared brightness temperatures in... Read More
