What is Arctic High?

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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...

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

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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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