Often, these are fair-weather clouds that form when the sun warms the ground and the warm air rises. You’ll often see them on humid summer days. However, if the air is particula ...

How Are Clouds’ Shapes Made? Explore the diverse world of cloud formations, from ground-level fog to high-flying cirrus ...

Look Up at the Sky Day, observed annually on April 14, invites us to pause, look up – and appreciate the vast expanse up ...

cumulus clouds can rapidly grow vertically into cumulonimbus. 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 ...