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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A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
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 weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...