Dark blue cloudy sky

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

Snow that rises to 8 feet or higher.

A type of cloud consisting mostly of small particles such as ice particles.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...