What is Tornado?
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
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A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...