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What is Warning?

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening now, developing as we speak, and is minutes away. This weather hazard poses a threat to life and property.

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Glossary

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

A large body of air having similar horizontal temperature and moisture characteristics.

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...