An asperitas formation over Little Gidding, Cambridgeshire, UK by Jenny Mortimore

There’s a new kind of cloud in the sky

The recently updated version of the World Meteorological Association’s International Cloud Atlas includes several newly discovered clouds, including the formation ‘asperitas’. Cloud Appreciation Society founder, Gavin Pretor-Pinney was recently interviewed about this by the Quirks & Quarks show on CBC Radio Toronto, Ontario.

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