Dark blue cloudy sky

What is Gale?

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

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Glossary

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...