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 large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...