Clouds are categorized into three main groups based on their altitude: cirrus, cumulus, and stratus. Cirrus clouds are high-altitude clouds, often appearing as thin, wispy strands. They are ...

Puffy to wispy, barely there or dark and menacing, clouds come in many shapes and sizes. Each tells a story about what’s ...

Different cloud shapes play different roles in climate moderation. “Cirrus clouds — high, wispy clouds visible in the distant atmosphere on relatively clear days — absorb and trap more ...

When the edges of these clouds look especially crisp, it’s a sign that heavy rain or snow may be imminent. Wispy cirrus are ice clouds When cumulonimbus clouds grow high enough into the ...