This website works best with a newer web browser such as Chrome, Firefox, Safari or Microsoft Edge. Internet Explorer is not supported by this website.

Archive: Mon Feb 2025

South Dakota’s first February tornado on record

5-minute CONUS Sector GOES-16 (GOES-East) Visible and Infrared images (above) displayed a thunderstorm that was moving southeast from Aberdeen (KABR) to Watertown (KATY) in northeastern South Dakota on 24 February 2025. While overall GLM-detected lightning activity was relatively modest, periodic increases in Flash Extent Density (orange to red pixels) were evident.A Special... Read More