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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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

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...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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