A strong solar flare occurred on 28 March 2025, peaking around 1520 UTC. A vivid signature of this event was captured by the GOES-16 (GOES-East) SUVI instrument (above). Real-time SUVI images are available at the SSEC Geostationary Satellite Imagery site.A screen capture of the bulletin from the NOAA Space Weather Prediction Center is shown below. ... Read More

Spring has clearly sprung in the blog’s home base of Madison, Wisconsin, in the upper midwestern United States, with air temperatures and the activity of both animals (like migratory birds) and people (like joggers) showing that the winter of 2024-2025 is no more. The memories of the cold, icy conditions... Read More