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Category: GOES-16

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

Interpreting IR imagery in bitter cold

The dominant story in the continental United States on February 18 is the significant winter weather that is impacting nearly every state east of the Rocky Mountains. A glance at this morning’s National Weather Service alert map shows a continuous band of cold weather warnings from the Canadian border down... Read More