Dark blue cloudy sky

What is Relative Humidity?

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

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Glossary

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...