• Mini ozone hole appears over western Canada

    On February 7, 2018, the Copernicus Atmosphere Monitoring Service or CAMS, has successfully predicted the appearance of an ozone mini-hole over western Canada on February 12 or 13. Sudden stratospheric warmings like the one currently in progress have been shown to…

  • Supercooled rainbow appears over Muonio, Finland

    A supercooled rainbow was observed and photographed above Muonio, Finland on December 4, 2017. Supercooled rainbows were also sighted in the Arctic last year. "I have never seen a rainbow during the winter and I didn't even know that it is possible for them…

  • Three decades of measurements show ozone’s ups and downs

    Climate scientists studying three decades of ozone measurements from seven satellites see a positive trend in global recovery after international efforts to curb ozone-depleting substances. The part of Earth’s atmosphere with high concentrations of ozone gas…

  • Ozone hole in 2017 the smallest since 1988

    Measurements from satellites this year showed the hole in Earth’s ozone layer that forms over Antarctica each September was the smallest observed since 1988, scientists from NASA and NOAA announced today. According to NASA, the ozone hole reached its peak…

  • Study explains anomaly in Earth’s atmosphere over the Weddell Sea

    A new study finds that the ionospheric anomaly over the Weddell Sea, near the tip of South America in the southeast Pacific Ocean, is likely influenced by proximity to auroral energy input, rather than by tilting magnetic fields. The anomaly was discovered in the…

  • Very rare ball lightning recorded in Bergamo, Italy

    Ball lightning, a very rare and one of the most fascinating types of lightning, has been recorded in Bergamo, Italy around 01:30 CET on July 14, 2017 during severe storms. Immediately after the strong pulsing glow came a very strong smell of sulfur, a common trait…