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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

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

A large body of air having similar horizontal temperature and moisture characteristics.

The branch of science dealing with the laws of motion of air or other gases.