November - fog You are here: Home Photo gallery Clouds Mid-level clouds Altostratus


Status is a usually featureless, mid-level stratiform cloud deck, consisting of supercooled and frozen cloud particles. Altostratus will partly or completely block the sun; in this respect it can easily be distinguished from cirrostratus. Altostratus frequently precipitates snow crystals and drizzle, but the precipitation rarily reaches ground. It usually evaporates.

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