Clicking on the thumbnail image below will bring up a full-sized image. Use your browser's copy and save functions to get the photos into your own computer. Blue sky and distant cumulus. Blue sky and distant cumulus. Crepuscular rays of the sun are often seen when clouds are backlit.
Clouds often form as air is forced over mountain ranges.
Moderate cumulus, altostratus and cirrus. With increased instability in the atmosphere the clouds start to build higher. Vertically rising cumulus in the distance are at the leadimg edge of a cold front. The cloud bottoms are full of moisture which will soon fall as rain. Cirrus, cirrostratus and cumulus.