What is Sublimation?
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water vapor.
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The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A large body of air having similar horizontal temperature and moisture characteristics.
An instrument for measuring atmospheric pressure.
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.