Dark blue cloudy sky

What is Arctic Air?

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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Glossary

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...