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.

Schedule a Demo Today

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

Contact Us

Glossary

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.