What is Celsius?
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero and the evaporation point as 100.
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The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...