Dark blue cloudy sky

What is Ceiling?

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

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Glossary

Snow that rises to 8 feet or higher.

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.