Birdwatch Note Rating
2024-10-12 00:44:38 UTC - HELPFUL
Rated by Participant: D09C3563745D04BC40CE0DA10F927CF3984F738734814CC29FDA2EEB9E24B7F5
Participant Details
Original Note:
These are Asperitas Clouds, often seen before or after storms, in an unstable atmosphere with lots of updrafts, downdrafts and significant changes in wind direction higher in the atmosphere. https://cloudatlas.wmo.int/en/clouds-supplementary-features-asperitas.html https://www.cbc.ca/news/canada/ottawa/asperitas-cloud-ottawa-weird-strange-wavy-cause-1.7345169 https://en.wikipedia.org/wiki/Asperitas_(cloud)
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