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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Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.