Dark blue cloudy sky

What is Anvil Cloud?

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric stability level of the atmosphere. It forms in the upper parts of thunderstorms.

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Glossary

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.