What is Relative Humidity?
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
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The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A cloud of irregular appearance, composed of irregular cloud fragments.
A type of cloud consisting mostly of small particles such as ice particles.
Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...