What is Arctic Air?

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

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

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

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