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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A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
Snow that rises to 8 feet or higher.
A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.