Altostratus clouds are gray or blue-gray mid-level clouds composed of ice crystals and water droplets. These clouds usually cover the entire sky but still seem relatively high. In the thinner ...

As the front approaches, the clouds will further descend into altostratus, resulting in overcast skies with the possibility of light rain as the front moves through. To predict a cold front ...

Altostratus clouds are grey or blue grey The sun or moon may shine through these clouds but its signaling that a storm is on the way This is a piece involving movement sound and text It is meant ...