Tropical Storm Melissa developed in the Caribbean Sea on 21 October 2025 — and 1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Infrared and Visible images (above) showed that most of the deep convection (which often exhibited abundant GLM-detected lightning activity) remained west of Melissa’s surface center of circulation, due to moderate west-southwesterly deep-layer wind... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) images from all 16 ABI spectral bands (above) showed thermal signatures of SpaceX Starship Test Flight 11 — launched from Starbase in South Texas at 2323 UTC on 13 October 2025.A thermal signature of the Super Heavy stage 1 booster rocket was apparent in Near-Infrared (Bands 04-06)... Read More
10-minute Full Disk scan GOES-18 (GOES-West) Mid-level Water Vapor images (above) showed the remnants of Typhoon Halong (North Pacific surface analyses) as it entered the Bering Sea late in the day on 11 October, re-intensified to a Hurricane Force low pressure (Alaska surface analyses) then eventually moved inland across far western and northwestern Alaska later in... Read More
Due to a lack of radar coverage over American Samoa, WSO Pago Pago requested a 1-minute Mesoscale Domain Sector over the islands to monitor convective development and the potential for flash flooding. GOES-18 (GOES-West) Clean Infrared Window (10.3 µm) images (above) showed rain showers that developed in the general vicinity of the American Samoa island... Read More
