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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A very cold high pressure that originates over the Arctic Ocean.
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
A large body of air having similar horizontal temperature and moisture characteristics.
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...