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What is Low Pressure System?

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Also known as a cyclone. It is the opposite of high pressure (anticyclone).

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Glossary

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...