A toggle between NOAA-20 (mislabeled as NPP) VIIRS Day/Night Band (0.7 µm) and Infrared Window (11.45 µm) images valid at 0735 UTC on 29 August 2023 (above) showed Tropical Storm Idalia about 1.5 hours before it reached Category 1 hurricane intensity at 0900 UTC. A large convective burst was evident just northeast of... Read More
A toggle between NOAA-20 (mislabeled as NPP) VIIRS Day/Night Band (0.7 µm) and Infrared Window (11.45 µm) images valid at 0612 UTC on 28 August 2023 (above) showed Hurricane Franklin a few hours before it reached Category 3 intensity.Franklin rapidly intensified to Category 4 intensity as of 1200 UTC — animations of... Read More
A George Strait concert at an outdoor stadium (Nissan Stadium) in Nashville, Tennessee was cancelled by a forced evacuation — due to approaching thunderstorms — just before 10 PM local time on 29 July 2023 (0300 UTC on 30 July). GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) showed (1) the dissipation... Read More
The image above shows International Space Station orbital paths over the western Pacific Ocean on 24 July 2023, computed from the TLE files and displayed using McIDAS. Note the orbital path at 1600 UTC that moves from mainland China southeastward over Taiwan and then to Indonesia. This is in close... Read More
