Dark blue cloudy sky

What is Atmosphere?

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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Glossary

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...