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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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

A cloud of irregular appearance, composed of irregular cloud fragments.

Snow that rises to 8 feet or higher.

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

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