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.

Glossary

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A new era is starting with fundamentally new forecasting with unprecedented precision!