What is Subtropical Jet?
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and a change in wind direction. The jet is located between 25 and 35 degrees N latitude and approximately 40,000 feet above ground. The position of the jet shifts southward in winter and northward in summer.
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Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
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 state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...