Atmokinesis

Atmokinesis, more commonly known as Weather Manipulation, is the ability to control and manipulate the meteorological conditions. The effects of this power vary in proportion to the strength of the magical being and scope of his or her power. Certain magical beings with can control only a few aspects of the weather while others can control them all. Weather manipulation can be achieved via active powers, spells, potions or different combinations of the aformentioned.

The power of Weather Manipulation is capable of manipulating various elements within the weather system. Users can create strong and powerful gusts of winds, whirlwinds and tornadoes. They can create lightning, thunder, rain, snow etc. They can also create warm or cold fronts by manipulating thermal patterns.

History
Hecate manipulated the weather with a spell, creating a storm to chase away the wedding guests. ("The Wedding from Hell")

The Sea Hag possessed this power, which she used to create a rain storm in San Francisco, thus preventing the Mermaid Mylie from gaining a confession of true love from her boyfriend. ("A Witch's Tail Part 1")

The return of the Titans caused a heatwave to hit San Francisco. ("Oh My Goddess, Part 1")

Piper Halliwell gained this power when she became the Goddess of Earth. After learning that Leo was becoming an Elder, she lost herself in her power and created a terrible thunderstorm that threatened the city. ("Oh My Goddess, Part 2")

List of Users

 * The Titans
 * Cronus
 * Demitrius
 * Meta
 * Goddess of Earth
 * The Sea Hag
 * Hecate (with a spell)
 * Wind Demon (possibly)

To Create a Thunderstorm
When the Sea Hag could not sense where Mylie was on land and thus in her mortal form, she casted this spell to find her. The spell created a big thunderstorm above San Francisco, and made it rain heavily for a long period of time. The spell goes as follow:
 * Water rise up from the sea,
 * Find the one who fled from me
 * Follow where the winds are cold,
 * Then fall tenfold like days of old

To Create a Storm

 * This spell was cast by the demon Hecate during her wedding to Elliot Spencer. It called upon the individuals Perses and Asteria, a titan and goddess, respectively, and conjured a huge storm.


 * By Asteria and Perses, 
 * Open, sky, and do your worst

Trivia

 * Atmokinesis was used in Season 5 far more often than in any other season.
 * Hecate's spell called out to two Titans of mythology, the Titans were revealed to exist three years later.