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 tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A large body of air having similar horizontal temperature and moisture characteristics.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...