Noctilucent Clouds are Intensifying

Originally posted on Spaceweather.com:
May 28, 2020: On May 17th, NASA’s AIM spacecraft detected the first noctilucent clouds (NLCs) of summer. Those first electric-blue smudges were barely visible. Since then, however, the clouds have rapidly intensified. Recent images from orbit show a growing bank of NLCs pinwheeling just inside the Arctic Circle: NLCs are…