- Tufts of Virga (evaporating rain) from a gray storm anvil cloud
- W011832S
- Tufts of Virga fall from a gray anvil cloud left behind by earlier storms. The air below the base is moistened by the evaporating rain. With only a small amount of lift, this moist layer forms a long Altocumulus tube which begins to sprout as Castellanus. This lower cloud strip owes its existence to the precipitating sheet above it.
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