What is Lightning?
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or between a cloud and the ground.
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A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
A large body of air having similar horizontal temperature and moisture characteristics.
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

