‘Big whirls have little whirls that feed on their velocity, and little whirls have lesser whirls, and so on to viscosity.’
From Weather Prediction by Numerical Process (1922) by mathematician, physicist, and meteorologist Lewis Fry Richardson.
Altocumulus stratiformis with whirls that are likely fluctus cloud features, spotted after a storm over Lutz, Florida, US by Sylvia Alcaraz (Member 48,594).
