Puffy, wispy, white and gray, we’ve seen them all this spring. Clouds come in a variety of types, and each type comes with ...

Cirrus clouds are made of ice crystals and appear thin, white, and wispy. Cirrostratus clouds are whitish and transparent and tend to blanket the whole sky, sometimes creating a halo effect around ...

This superstition isn’t far wrong, since cirrus and cirrostratus clouds are often the first sign of an approaching warm front. So whenever you spot a halo, chances are you can expect rain or ...

Cirrostratus clouds create a veil over the moon and sun. Tim Grist Photography / Getty Images To best view a lunar halo, sky conditions must be clear with only a thin layer of cirrus clouds.

In cirrus they give often almost the first intimation of coming change after settled weather, and are almost, if not quite, invariably followed within twenty four or thirty-six hours by thunder.

Cirrus clouds are found high in the atmosphere where most jet planes fly, between 20,000 and 40,000 feet. ... which will gradually thicken and lower into cirrostratus clouds over the day.