• Unprecedented hailstorm hits the city of Sanandaj, Iran

    A ferocious and unprecedented spring hailstorm hit the city of Sanandaj, northwestern Iran on Wednesday morning, May 3, 2017, damaging vehicles, disrupting traffic and causing flash floods. According to Press TV, the storm took residents by surprise and left the…

  • Long-lasting fireball over Florida

    A long-lasting fireball was seen over Florida around 03:52 UTC on April 26, 2017 (23:52 EDT on April 25). The event lasted up to 20 seconds. The American Meteor Society received 46 reports by 17:35 UTC. Five witnesses reported sound associated with the event while…

  • Significant sea surface temperature events in 2016 explained

    Anne O'Carroll, Remote Sensing Scientist at EUMETSAT, talks us through this mesmerizing animation describing a year of sea surface temperature (SST) in 2016. The animation combines satellite data from both the geostationary ring of satellites and polar orbiting…

  • Stars: Electrically connected and externally powered

    In Part One of this presentation, Dr. Michael Clarage began his analysis of a recent landmark discovery which shows a "surprising" relationship between sunspots and solar flares. As Dr. Clarage explained, the discovery that solar flares seem to have a…

  • Filament eruption, glancing blow possible on April 15

    An approximate 14 degree solar filament eruption began at 20:25 UTC on April 9, 2017, from the northeast quadrant of the Sun. The event generated a coronal mass ejection (CME) and a glancing blow is possible on April 15. The CME was first observed in SOHO/LASCO C2…

  • Bright fireball over San Diego, California

    A very bright fireball was seen and recorded streaking through the night sky over San Diego, California around 04:00 UTC on April 11, 2017 (21:00 PDT, April 10). Witnesses have described the event as green and very bright fireball, lasting for several seconds. As of…

  • Violent hailstorm hits Guiyang, southwest China

    Heavy rain accompanied with violent hailstorm hit the city of Guiyang in southwest China's Guizhou Province, flooding the town and bringing traffic to a standstill on Wednesday night, April 5, 2017. According to CCTV, the downtown was seriously flooded after 23…