• Calgary sees snowiest November in 50 years, Canada

    Calgary has broken a weather record dating back 50 years as the city marked the snowiest November since 1966, according to YYC Weather Records' report on December 6, 2019. A snowfall total of 47.4 cm (18.7 inches) was registered between November 1 and 30, 2019….

  • Planetary wave supercharging noctilucent clouds over Antarctica

    An atmospheric wave about half as wide as the Earth is supercharging noctilucent clouds (NLCs) in the southern hemisphere, with NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft detecting the phenomenon in this series of south polar images from November…