What is Ceiling?

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

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