Cloud
Videos
In meteorology, a cloud is an aerosol consisting of a visible mass of miniature liquid droplets, ice crystals, or other particles, suspended in the atmosphere of a planetary body or similar space. Wat
Cloudscape over Borneo, taken by the International Space Station
Windy evening twilight enhanced by the Sun's angle. Clouds can visually mimic a tornado resulting from orographic lift.
Cirrus fibratus clouds in March
High cirrus upper-left merging into cirrostratus right and some cirrocumulus far right
Lightning
Videos
Lightning is a natural phenomenon consisting of electrostatic discharges occurring through the atmosphere between two electrically charged regions. One or both regions are within the atmosphere, with
Strokes of cloud-to-ground lightning strike the Mediterranean Sea off of Port-la-Nouvelle in southern France.
A bolt from the blue lightning strike which appears to initiate from a clear patch of sky, but the turbulent sky above the anvil cloud drives a bolt of plasma through the cloud directly to the ground. They are commonly referred to as positive flashes, despite the fact that they are usually negative in polarity.
Multiple paths of cloud-to-cloud lightning, Swifts Creek, Australia.
Intra-clouds lightning over the Baltic Sea.