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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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

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

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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 cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...