1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible images (above) and Infrared Window images (below) showed the slow organization of cloud features associated with Tropical Storm Lala southeast of Hawai’i on 13 August 2026. Overlays of GOES-18 GLM Flash Points indicated that lightning activity was sparse during that time period. Lala was moving... Read More

While the Pacific has kept seeing its share of intense tropical systems, the Atlantic has been quieter. This is consistent with what we expect with a strong El Niño, as the global scale impacts from that phenomenon tend to include increased wind shear in the Caribbean and western Atlantic which... Read More

2.5-minute Target Sector Himawari-9 Visible images (above) and Infrared Window images (below) showed Super Typhoon Dolphin as it reached 150-knot Category 5 intensity (ADT | D-MINT | SATCON) over the West Pacific Ocean (north of the Marshall Islands) at 2100 UTC on 29 July 2026. Mesovortices were evident within the... Read More

1-minute Mesoscale Domain Sector GOES-19 (GOES-Eas)t Visible images (above) showed Hurricane Genevieve as it was rapidly intensifying to become a Category 4 storm on 26 July 2026. Low-altitude mesovorticies were very apparent within the eye — and GLM Flash Points depicted intermittent lightning activity within the eyewall of the hurricane.The... Read More